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Chat Area => General Discussion Area => Topic started by: Marks DTM Calib on 31 July 2007, 21:57:42

Title: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 31 July 2007, 21:57:42
Made some good progress today.

I have butchered a coolant tank cap and drilled out the air admittance valve (leaving the pressure valve in place) to add a schrader valve from a wheel.

With the plenum removed and the throttle coolant pipes suitably bunged 18 psi was applied to the coolant system using the airline.

Straight away, coolant started to leak down the passenger side of the bell housing.

So dig deeper, looking closely and the coolant bridge seals are leaking......and on removal the wrong ones have been fitted, the ones on it are much to large and could never make a reliable seal!

Also noted were the cam covers, they are badly distorted due to overtightening.....but then every bolt I have had to remove has been much to tight!

Tomorrow I hope to fix the coolant leak and then see what I can do with the cam covers....maybe a slow bake at 255 degC may help!
Title: Re: Jimbobs Coolant Leak
Post by: Markie on 31 July 2007, 21:59:20
werent the camcovers done recently too?  :-/
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 31 July 2007, 22:02:34
Yes, and the coolant bridge and oil cooler.....
Title: Re: Jimbobs Coolant Leak
Post by: TheBoy on 31 July 2007, 22:03:28
Quote
Made some good progress today.

I have butchered a coolant tank cap and drilled out the air admittance valve (leaving the pressure valve in place) to add a schrader valve from a wheel.

With the plenum removed and the throttle coolant pipes suitably bunged 18 psi was applied to the coolant system using the airline.

Straight away, coolant started to leak down the passenger side of the bell housing.

So dig deeper, looking closely and the coolant bridge seals are leaking......and on removal the wrong ones have been fitted, the ones on it are much to large and could never make a reliable seal!

Also noted were the cam covers, they are badly distorted due to overtightening.....but then every bolt I have had to remove has been much to tight!

Tomorrow I hope to fix the coolant leak and then see what I can do with the cam covers....maybe a slow bake at 255 degC may help!
Would your made up gadget show if I have a HG or cracked head on tractor?
Title: Re: Jimbobs Coolant Leak
Post by: razzo on 31 July 2007, 22:04:33
Dont suppose you have any pix Mark i would love to see them :)
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 31 July 2007, 22:06:10
It would show up a coolant leak......
Title: Re: Jimbobs Coolant Leak
Post by: TheBoy on 31 July 2007, 22:11:14
Quote
It would show up a coolant leak......
If its pressurising due to failed HG, then obviously that may leak coolant back to cylinder is you pressure up coolant. If the head is cracked (seemingly common on BMW unit) allowing cylinder to coolant pressure build up, would that show up by pressuring coolant?

Saying that, still not 100% convinced I haven't a coolant leak somewhere - bottom of engine covered in coolant when we raised it on Sunday...
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 31 July 2007, 22:11:19
For 255degC isnt a joke.....its the temperature that PA66-GF30 softens....which is the glass loaded plastic the cam covers are made from...

I will try to take some pics tomorrow....

I have to say that the engine internals are nice and clean.

Other points to note

Windscreen arm nut cover missing
Aux coolant pump pipe support bracket (rear of plenum) missing
Wrong type of bolt fitted to inlet manifold ( I have a spare)
Engine under tray missing......this makes a big difference to engine temp!
Brake servo pipe has a tape repair where it has worn through.....
Aircon cap missing, these act as a seal so should be replaced.
Breather bridge is not fully seated into plenum and hence is leaking air......this is easy to put right.
Title: Re: Jimbobs Coolant Leak
Post by: TheBoy on 31 July 2007, 22:14:25
Quote
Engine under tray missing......this makes a big difference to engine temp!
in what way - i removed diesel one as a) its knackered, b) i read on another forum removal may help with temp
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 31 July 2007, 22:17:41
I cant comment on the tractor lump but, on the V6 it helps ensure that the air through the grill and rads also passes over the engine etc and down and along the tunnel.......when the one n Matchless'es V6 was off, the temp was quite a bit higher.
Title: Re: Jimbobs Coolant Leak
Post by: JamesV6CDX on 31 July 2007, 22:20:40
Mark, going off topic a tad, you have PM :y
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 31 July 2007, 22:30:52
Bloody hell sounds like a nightmare!

Thanks very much for this

As for the engine tray.....Its in my garage, was left off to try and help me see where the leak was, must have forgotten to put it in the boot, Shall I bring it up when I come to collect?

Cheers
Title: Re: Jimbobs Coolant Leak
Post by: TheBoy on 31 July 2007, 22:33:43
Quote
I cant comment on the tractor lump but, on the V6 it helps ensure that the air through the grill and rads also passes over the engine etc and down and along the tunnel.......when the one n Matchless'es V6 was off, the temp was quite a bit higher.
Thinking about it, not sure my MV6 has an undertray....   ....never really noticed...  ....must pay more attention.
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 01 August 2007, 09:52:55
Quote
I cant comment on the tractor lump but, on the V6 it helps ensure that the air through the grill and rads also passes over the engine etc and down and along the tunnel.......when the one n Matchless'es V6 was off, the temp was quite a bit higher.

The temp has fluctuated more than normal recently, but with all its problems, put it down to that lot, Thought it was more of a splash guard than anything really!

(note to self : stop thinking! )

What are you doing about the missing parts? do you have em 'in stock', buying new, or getting off breakers?

Cheers and good luck!
Title: Re: Jimbobs Coolant Leak
Post by: Paul M on 01 August 2007, 14:13:35
Quote
I have butchered a coolant tank cap and drilled out the air admittance valve (leaving the pressure valve in place) to add a schrader valve from a wheel.

Could I borrow that once you're finished with it, or could you make another and sell it to me? Sounds like a very useful contraption, and I have a slight coolant leak that I can't source (have already changed the HBV which I hoped would cure it, but hasn't).

Cheers.

PS I still have your heli-coil kit! PM me an addy to return it :)
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 01 August 2007, 22:32:26
Paul, I will PM you an address.

As for the cap, its a VERy useful little bit of test kit so now way is it going any where, easy enough to make though!


Some furtehr update, not to much done tonight but, the coolant system is all re-fitted and re-filled with new dowty washers (of the correct type) on the coolant bridge. A pressure test revealed pressure held for 60 mins ok and no leaks......

Next job is sort the cam covers and re-assemble!

Ow yes, I fixed the crack of doom to....it was annoying me every time I opened the door.
Title: Re: Jimbobs Coolant Leak
Post by: TheBoy on 01 August 2007, 22:45:26
Additionally, I have a possible leak on MV6 - have topped up 3 or 4 times this year. HBV looks fine and water tight...
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 02 August 2007, 06:17:27
Quote
Paul, I will PM you an address.

As for the cap, its a VERy useful little bit of test kit so now way is it going any where, easy enough to make though!


Some furtehr update, not to much done tonight but, the coolant system is all re-fitted and re-filled with new dowty washers (of the correct type) on the coolant bridge. A pressure test revealed pressure held for 60 mins ok and no leaks......

Next job is sort the cam covers and re-assemble!

Ow yes, I fixed the crack of doom to....it was annoying me every time I opened the door.

Success! Brilliant

That washer in the door is only 6 months old!
I did both cars, and they have both started cracking again in the last week or 2,
2 new washers were on my shopping list, they were either duff, or I installed em wrongly  :-/

Cheers
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 02 August 2007, 07:09:53
Does / Did the Thermostat look ok?
I remember he struggled a lot there, was sort of glued on, some sealant (hylomar?) involved?
possibly a pipe going from there?

PLEASE excuse all my ignorance over all this, does the pressure test confirm it is water tight at running temperature as well? I know things expand / contract with heat / cool


Cheers


('no leaks' is a wonderful phrase to hear!)
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 02 August 2007, 08:20:36
Thermostat and bridge piece look fine, as does the coolant pipe to block seal and coolant plate.

Heres a pic of the route cause of the problem.

(http://i23.photobucket.com/albums/b394/Marks_DTM_Calib/DSC00057.jpg)

Note that its MUCH to large....and the mating lands on the head and coolant bridge are not huge.
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 02 August 2007, 08:28:12
Doesn't look a very good fit, have you an 'after' pic as well?
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 02 August 2007, 08:45:51
I will try to get one when my replacements arrive (I keep these washers in stock!) but, the rubber seal section on the correct ones is much bigger and touches the shaft of the drilled bolt, the outer metal section is also smaller.
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 02 August 2007, 08:58:18
The biggest problem with the door straps was how loose the nut was......it was so loose I though I had the wrong sized socket...it un-screwed in my hand!
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 02 August 2007, 09:43:38
well it was tightish, guess I should have had 3 shredded wheat that day  :-[
Title: Re: Jimbobs Coolant Leak
Post by: Paul M on 02 August 2007, 11:50:23
Quote
Paul, I will PM you an address.

As for the cap, its a VERy useful little bit of test kit so now way is it going any where, easy enough to make though!

Cool no probs! I may be able to borrow one from someone local I know who is a mechanic... very handy guy to know as he's got a manual 3.0 Elite which he's fitted Bilstein suspension to, I haven't had a shot in it yet but apparently it handles VERY well; he's already had it around the track at Knockhill. He's also replaced the thermostat on his Omega so should already know his way around the coolant bridge, oil cooler etc.

If I knew what I was doing I'd perhaps make a pressure cap for myself, but I don't know which is the air admittance valve and which the pressure valve, so I won't ;). Did you just get a schroeder valve from a tyre fitters?
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 02 August 2007, 11:55:12
Yep, schrader valve was on the floor at the local tyre fitters.
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 02 August 2007, 19:00:41
Crack of doom also refixed on the CDX, deffo not enough Weetabix that day  :-[
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 02 August 2007, 21:30:11
Ok, little more done tonight.

The breather bridge needs a new seal, its totaly mullered!

Breathers are cleaned and checked and passenger cam cover changed, cant do the drivers side because I dont have a good one yet!

Cooling system remained pressuried for 24 hours which is a good sign!

A question to Jimbob, when the oil cooler was chanegd was it due to failure and was the oil and filter changed after all the work was finished?
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 02 August 2007, 22:09:33
The oil cooler hadnt failed, was done 'while we are there' just in case
The old one was on its way out, quite rusty

Think an oil and filter change were done, but am not sure?  Why?

Feel free to do one if needed, oil and filter in the boot
Ive also that much coolant, feel free to flush that as well if you want!
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 02 August 2007, 22:17:37
Thinking back it DID have an oil and filter change with all the work
But do not know if it was done before or after the Gaskets, Spark Plugs and Oil Cooler.
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 03 August 2007, 10:37:39
Go on, put me out my misery why the oil (& cooler) questions.....You've got me worried!  :-?
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 03 August 2007, 10:56:25
Because there are signs of some coolant having been in the oil or short journeys......I suspect that this occured duing the last fix.
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 03 August 2007, 11:08:27
Ahh right, we talking mayo'y cap?

The car has also mainly done short trips lately, anything long we've gone in the other car
Had a trip to yorkshire and back though.
And the 2 hour trip to you


Or are you thinking Head Gasket  :'(
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 03 August 2007, 12:07:38
No....if head gasket, its unlikely it would have held coolant pressure for 24 hours!

Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 03 August 2007, 12:17:23
Quote
No....if head gasket, its unlikely it would have held coolant pressure for 24 hours!



PHEW  :D

Thanks again for sorting all this  :) Looking forward to having a properly drivable car again, without worrying about where I will fill up the coolant next, or the looks I get for the smoke from under the bonnet!
Whats the plan for the drivers cam cover? is it fixable? new? James still got his from the breaker?
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 03 August 2007, 12:25:00
Mr Laidback is dropping one around tonight....

The stumbling block is the breather bridge seals.....it has quite an airleak at the moment, I have ordered them but they wont be here until Tuesday.

Might be able to get the aircon checked to....
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 03 August 2007, 12:32:15
Sounds good, be great if you could get the aircon done as well.

I am at the stage now getting the car right is more important than getting it back, so an extra few days is not a problem.

When would you guess (roughly)  it will be finished, so I can prewarn some transport / babysitting?

Cheers
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 03 August 2007, 12:34:06
Tuesday/Wednesday next week at a guess.
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 03 August 2007, 12:49:30
cool, guessing thats the last bit to do then :)
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 03 August 2007, 18:31:29
Pretty much, everything should be back together before this for an engine test as the seals are easy to fit.

Heres a pic of the difference between the dowty washers.....the correct one is on the left...

(http://i23.photobucket.com/albums/b394/Marks_DTM_Calib/DSC00063.jpg)

I have just adjusted the bonnet release cable and set the levels on it plus fixed the boot lock so the key now works in it.
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 03 August 2007, 18:33:16
Quote

I have just adjusted the bonnet release cable and set the levels on it plus fixed the boot lock so the key now works in it.

LMAO, Cheers
I have never even tried the key in it!

Sounds brilliant progress :)
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 03 August 2007, 18:34:49
Ow yes, I made a suitable plastic bung for the washer jet to......
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 03 August 2007, 18:44:16
What was up with my washer jets? (except the inability to squirt much water, really must get a new pump (filter is clear))

When we dropped it off you mentioned exhaust manifolds...were they ok?
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 05 August 2007, 15:46:33
Exhaust manifold gaskets seemed ok.

Just fixed the washer jets....it would appear that somebody has removed the ECU box at some time and when they put it back, they squashed the washer hose under it......

So, all the jets have been cleaned out and checked and the pipe re-positioned.

The replacement passenger cam cover was no good, it had a piece missing so it wont support the gasket correctly so I am getting another one.

Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 05 August 2007, 16:54:23
Quote
Exhaust manifold gaskets seemed ok.

Just fixed the washer jets....it would appear that somebody has removed the ECU box at some time and when they put it back, they squashed the washer hose under it......

So, all the jets have been cleaned out and checked and the pipe re-positioned.

The replacement passenger cam cover was no good, it had a piece missing so it wont support the gasket correctly so I am getting another one.


Bloody cowboys!

You've done so much on this now, really looking forward to driving it again :)

Cheers
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 05 August 2007, 19:39:16
Right, got it back together and found another leak.....the top hose is de-laminated and a jubilee clip has been put round it to bodge a fix.

Got the aircon sorted (10 quid for gas) but, the heater bypass valve is not bypassing to well!

So, need to sort a few more bits yet!
Title: Re: Jimbobs Coolant Leak
Post by: TheBoy on 05 August 2007, 21:06:21
Getting there :y
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 05 August 2007, 21:07:26
:(

That the camcovers sorted?
That HBV is only 4 months or so old :(
Nice and Chilly then Eh!
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 05 August 2007, 22:13:57
Right.....I made a decision, its all stripped out again including ALL the coolant pipes, coolant bridge, bypass valve and main coolant pipe that travels around the drivers head to the rear of the block.....it took less than a hour!

I have since checked all the pipes in detail and coolant bridge and sensors etc

There is one VERY broken main pipe at the front whic ahs de-laminated and had a jubilee clip put round it as a bodge fix.

I am also going to remove the oil cooler and re-seal that and the stat as then I will have done ALL the coolant system myself and can be confident in the quality (in theory!) of the work.

The engine parts are curently easy to work on beacuse they are all fitted to the correct torque values now.

Cam covers and seals are all done.

So a few hours work tomorrow to sort the oil cooler etc and try to get a coolant pipe ordered plu the re-build. Then 24 hours for the sealent to go off well and it should be a good job done!

The aircon is excellent by the way....nice and cold. We found one schrader valve which was leaking that re-sealed once the fittings had been put on then removed plus one of the caps was missing. These caps are also a main seal so important to have fitted (note all who read this!)
Title: Re: Jimbobs Coolant Leak
Post by: TheBoy on 05 August 2007, 22:17:59
Quote
These caps are also a main seal so important to have fitted (note all who read this!)
I nicked some today when JamesV6CDX wasn't looking ::)  ;D

Still one short though, if anyone has a spare?
Title: Re: Jimbobs Coolant Leak
Post by: Taxi_Driver on 05 August 2007, 22:22:45
Quote
Right.....I made a decision, its all stripped out again including ALL the coolant pipes, coolant bridge, bypass valve and main coolant pipe that travels around the drivers head to the rear of the block.....it took less than a hour!

I have since checked all the pipes in detail and coolant bridge and sensors etc

There is one VERY broken main pipe at the front whic ahs de-laminated and had a jubilee clip put round it as a bodge fix.

I am also going to remove the oil cooler and re-seal that and the stat as then I will have done ALL the coolant system myself and can be confident in the quality (in theory!) of the work.

The engine parts are curently easy to work on beacuse they are all fitted to the correct torque values now.

Cam covers and seals are all done.

So a few hours work tomorrow to sort the oil cooler etc and try to get a coolant pipe ordered plu the re-build. Then 24 hours for the sealent to go off well and it should be a good job done!

The aircon is excellent by the way....nice and cold. We found one schrader valve which was leaking that re-sealed once the fittings had been put on then removed plus one of the caps was missing. These caps are also a main seal so important to have fitted (note all who read this!)

Noted and fitted on mine....still rubbish imo
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 05 August 2007, 22:27:06
Its the same on ALL aircon systems.....the schrader gives the main pressure seal with the cap acting as the secondary seal.

Schraders are not great at sealing but very convenient at allowing access with monitoring/filling kit.
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 05 August 2007, 23:01:30
HOLY SH1TE

THANK YOU

Thats what I call A Job Well done!
Title: Re: Jimbobs Coolant Leak
Post by: Taxi_Driver on 06 August 2007, 08:59:41
Quote
Its the same on ALL aircon systems.....the schrader gives the main pressure seal with the cap acting as the secondary seal.

Schraders are not great at sealing but very convenient at allowing access with monitoring/filling kit.

I know  ;D

I meant my aircon is rubbish  ::)
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 06 August 2007, 09:19:46
I'm surprised as I find it pretty good....

I have to say that Jimbobs pollen filter was well clogged up, I actualy put the one in that I had taken out of my facelift Cdx as it was MUCH cleaner.

We were measuring about 9-10 deg C air from the vents yesterday and it was 30 deg outside.....nice and chilly!

I have ordered the coolant pipe (about 15 quid less my discount) and tonight I will re-seal the oil cooler, stat, bridge pipe and main feed pipe plus re-build as far as I can before the lack of light beats me.

That should just leave final assembly and checking.

At this point the entire engine cooling system will have been checked and re-sealed!
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 06 August 2007, 09:28:56
I don't know what to say, but WOW

quite surprised on the pollen filter, about 6 months old, but not genuine vaux (before I saw the light).
maybe blocked up as the aircon not too cool, the fans were generally on HI, maybe the smoke from the camcovers hasn't helped.

Did the HBV need replacing in the end? or don't you know yet?
I'm wondering if it was the same dodgy batch someone else mentioned  (wasn't leaking though was it?)

Thanks again
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 06 August 2007, 09:32:17
When I checked it last night, the heater bypass valve looked ok.

One think I did notice is that the aux coolant pump was running even with the aircon on so I wonder if the climate panel has been replaced and the aux pump option has not been set, I will check this also.

Engine internals were nice and clean.

I have re-routed the crank sensor cable as well, so its easy to get at and not near anything hot.
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 06 August 2007, 09:37:40
Believe the crank sensor let Steve down when he was out and about, free lift home on the low loader
so probably a year ago or so, presume he changed it himself.

All the little funny's happening like the instument panel ecu, now the coolant pump, I would love to know whats happened to this car before We knew it  :-/

Having a tech2 must make a good difference when you're doing things like this :)
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 06 August 2007, 09:43:54
Tech2 doesn't help much with the coolant leak....good for most fault finding though!

The crank sensor does look pretty new so hopefuly it will last well with the new routing.
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 06 August 2007, 09:52:56
Quote
Tech2 doesn't help much with the coolant leak....good for most fault finding though!

The crank sensor does look pretty new so hopefuly it will last well with the new routing.

With a bit of luck, at least if it doesn't, I can just follow your route :)

Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 06 August 2007, 19:26:30
Rain stops play...........for the moment any way!

Its all stripped out and whilst its raining I will clean all the cooler plate etc ready for application of gunge and re-fit.

Heres a quick pic:

(http://i23.photobucket.com/albums/b394/Marks_DTM_Calib/DSC00071.jpg)
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 06 August 2007, 19:46:26
I have to say that the person who did the owrk for you on this last time, was an arse!

Hes only gone and used cam cover sealent on the oil cooler plate!
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 06 August 2007, 20:03:10
Am I glad you've gone for the full stripdown!
at least now I KNOW it will be right  :y

Thanks again
Title: Re: Jimbobs Coolant Leak
Post by: TheBoy on 06 August 2007, 21:50:02
Quote
Rain stops play...........for the moment any way!

Its all stripped out and whilst its raining I will clean all the cooler plate etc ready for application of gunge and re-fit.

Heres a quick pic:

(http://i23.photobucket.com/albums/b394/Marks_DTM_Calib/DSC00071.jpg)
That looks suspiciously like a bent oil pipe ::)
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 06 August 2007, 22:04:11
Right

Main coolant pipe on
Oil cooler in (with the correct sealent!)
Stat in
Bridge pipe in
Oil cooler pipes re-connected at BOTH ends
Coolant bridge in
Heater bypass valve and associated pipe work in.
Crank sensor re-fitted
New oil filter fitted (it has to be removed to disconnect the oil cooler pipes)

Ow yes, when the cooler was changed.....the pipes were bent to do the job  :-/

To do:

Fit the B-bolt
Fit new top hose
Fit inlet system
Fit plenum

A few odds and sods and we are ready to go!
Title: Re: Jimbobs Coolant Leak
Post by: Taxi_Driver on 06 August 2007, 22:09:17
Quote
I'm surprised as I find it pretty good....

I have to say that Jimbobs pollen filter was well clogged up, I actualy put the one in that I had taken out of my facelift Cdx as it was MUCH cleaner.

We were measuring about 9-10 deg C air from the vents yesterday and it was 30 deg outside.....nice and chilly!


I have managed to get 4C coming from the air vents (probe stuck down inside the centre air vent).....ok not as hot as 30C outside.....that was on manual...slow fan speed and set on LO....actually what i think i mean is the climate is rubbish on auto.....not the actual aircon.....i have a probe stuck in the centre vents all the time measuring air temp......what i have found ie today....outside temp was about 20/21/22 internal temp set on 20C....climate could control the temp inside....when cloudy....any sign of sun....it just put the fans on max....temp from the centre vents went up (as faster air temp will go up) ....and it just seems to loose control of keeping the temp down....so you just get a noisy enviroment and not that chilly!.....reason i thought maybe i dont have latest version of climate...as you say this better at keeping fan speed down  :-/
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 06 August 2007, 22:10:29
Ow yes, the oil cooler pipe is not as bent as it looks in the picture, its just disconnected at the other end.
Title: Re: Jimbobs Coolant Leak
Post by: Kevin Wood on 06 August 2007, 22:18:21
Quote
I have managed to get 4C coming from the air vents (probe stuck down inside the centre air vent).....ok not as hot as 30C outside.....that was on manual...slow fan speed and set on LO....actually what i think i mean is the climate is rubbish on auto.....not the actual aircon.....i have a probe stuck in the centre vents all the time measuring air temp......what i have found ie today....outside temp was about 20/21/22 internal temp set on 20C....climate could control the temp inside....when cloudy....any sign of sun....it just put the fans on max....temp from the centre vents went up (as faster air temp will go up) ....and it just seems to loose control of keeping the temp down....so you just get a noisy enviroment and not that chilly!.....reason i thought maybe i dont have latest version of climate...as you say this better at keeping fan speed down  :-/

Hmm. Must get mine sorted, especially if going to Italy for hols!

Mine manages about 10-11 deg c out of the vents, at half fan speed or thereabouts and that was earlier in the year when it was cooler outside.  :(

I agree regarding the climate. It just isn't comfortable to shift that much air through the car except for the first minute or two after it has been standing in the sun. I constantly turn down the fan speed on mine, and every time I adjust the temperature it whacks it up again  >:(

I'd be much happier with manual control of the damned thing, to be honest. Climate solves a problem that never existed in the first place IMHO.

Kevin
Title: Re: Jimbobs Coolant Leak
Post by: Taxi_Driver on 06 August 2007, 22:26:04
Quote
Quote
I have managed to get 4C coming from the air vents (probe stuck down inside the centre air vent).....ok not as hot as 30C outside.....that was on manual...slow fan speed and set on LO....actually what i think i mean is the climate is rubbish on auto.....not the actual aircon.....i have a probe stuck in the centre vents all the time measuring air temp......what i have found ie today....outside temp was about 20/21/22 internal temp set on 20C....climate could control the temp inside....when cloudy....any sign of sun....it just put the fans on max....temp from the centre vents went up (as faster air temp will go up) ....and it just seems to loose control of keeping the temp down....so you just get a noisy enviroment and not that chilly!.....reason i thought maybe i dont have latest version of climate...as you say this better at keeping fan speed down  :-/

Hmm. Must get mine sorted, especially if going to Italy for hols!

Mine manages about 10-11 deg c out of the vents, at half fan speed or thereabouts and that was earlier in the year when it was cooler outside.  :(

I agree regarding the climate. It just isn't comfortable to shift that much air through the car except for the first minute or two after it has been standing in the sun. I constantly turn down the fan speed on mine, and every time I adjust the temperature it whacks it up again  >:(

I'd be much happier with manual control of the damned thing, to be honest. Climate solves a problem that never existed in the first place IMHO.

Kevin

Set it on manual....and set to lo.....its the only way to control fan speed ive found and it stays where you set it....try that  :y
Title: Re: Jimbobs Coolant Leak
Post by: Taxi_Driver on 06 August 2007, 22:28:56
Or try to find out if you have the latest climate version.....MDTM reckons its a lot better  :y
Title: Re: Jimbobs Coolant Leak
Post by: Kevin Wood on 06 August 2007, 22:31:10
Quote
Set it on manual....and set to lo.....its the only way to control fan speed ive found and it stays where you set it....try that

Will do. If it's controlling temperature you appear to have manual control of it but then it decides it knows best every so often >:(

I've got an intermittently squeaky bearing in the fan motor too, which doesn't help.

Kevin
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 06 August 2007, 22:35:23
Sounds like you're getting there :)
was assured the oil cooler pipes weren't bent, told him your trick.
Needless to say it won't be going back there, time my hands got a lot dirtier....this was just too much for an absolute novice  :-[

Babysitters on standby, when is your current estimate? (no pressure, just various people to keep updated)

Cheers
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 07 August 2007, 08:05:30
I hope to have it all finished and running tonight.

So tomorrow, Thursday or Friday.....
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 07 August 2007, 08:15:30
Cheers  :D

I'll keep the standby updated

Thanks again for doing all this, be great to have a properly working car again  8-)
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 07 August 2007, 09:58:33
The coolant pipe is out for delivery so will be there when I get home this pm.....
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 07 August 2007, 10:06:43
More good news!
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 07 August 2007, 21:57:35
Ok, it all went back together pretty easily this eveninga dn was ready to run by 7.00pm.....so, start it up.....and there is a few drips which stop pretty quickly. Ok, well thats most likely to be some of teh coolant which will ahev been sat on the block.

Anyway, next there is a load of drips......bugger.....

Then realise that the aircon is on and its the condensate dripping!

So, all is good!

Jobs done this pm

Drain the oil and re-fill
Fit the B-bolt
Fit inlet
Git plenum
Connect up wiring
Connect up vac hoses
Replace hose.
Re-fill the coolant.

Engine vac is good (always a good test!)

So, its ready to go!
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 07 August 2007, 22:05:45
Ow yes, get a couple of big stainless steel jubilee clips to put round the base of the down pipe heat shields to stop them rattling!
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 07 August 2007, 22:08:01
And the coolant pipe was VERY broken.....
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 07 August 2007, 22:36:25
Brilliant!  So its done!
By any chance did the multirams spring into life with the fixed air leak?

A huge thanks for this!  :y :y :y :y :y :y :y :y :y :y :y :y :y :y :y :y :y :y :y :y
So are you in tomorrow evening ?

 ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D
Title: Re: Jimbobs Coolant Leak
Post by: Matchless on 07 August 2007, 23:34:28
Ive seen the multiram actuators working and also measured the idle vacuum as being higher than on my carefully rebuilt motor but at least my exhaust heatshields dont rattle.  ;)
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 08 August 2007, 06:27:56
Cool, (just like the aircon ;) ) Cheers

Did the tech2 find why the aux coolant pump was on?
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 08 August 2007, 08:03:48
Your varient code in the climate panel.....it thought it didn't have an aux coolant pump.

I am around this evening and tomorrow evening.
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 08 August 2007, 08:07:47
Cracking, I'll organise some babysitters, and hopefully see you later.
Suspect be nearer to 9pm tonight if thats ok?

Glad to have had THE expert do my car, you've spotted things that must have been wrong for a very long time  :y
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 08 August 2007, 08:14:13
Thats fine.
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 09 August 2007, 09:38:16
[size=14]Conclusion[/size]

Water Leak

This was the result of a number of things:

1) The main stat bridge pipe to radiator hose had a split in it, this had been bodged with a jubilee clip and was not working to well

2) The dowty washers used on the coolant bridge were of the wrong type and size, this resulted in poor sealing and a fair bit of coolant loss.

3) The oil cooler plate had been sealed using camcover sealent and not the correct grey flange sealent, this wasn't leaking but, would not have lasted. The cooler pipes were straightened when re-fitted.

In addition:

a) All pipes were removed and checked on the bench

b) The main coolant pipe (runs around the 1-3-5 head) was removed, cleaned and the seal replaced.

c) The thermostat was removed, checked and sealed to the block on re-fitting using the grey sealent.

d) The stat bridge pipe had new seals fitted.

Following re-assembly, all was seen to be good.

Air leaks/Multiram

A number of small air leaks were found and addressed

a) The breather bridge to plenum seal was replaced, the old one was pretty mangled and resulted in the bridge piece sitting proud of the plenum.

b) The main brake servo pipe had damage which had been taped up but, becase the pipe had been re-fiited so it could rub on the aircon pipe, it wore through again. This was repaired using a plastic glue with self amalgimating tape over the top and black tape to finish, the pipe was re-fitted ensuring that it was not touching the aircon pipe.

c) The vaccum tank was checked and the one way valve internal to the unit had failed. A tropical fish tank air valve was fitted to remedy the problem.

All vac hoses were fitted and routed where they should be so as not to result in any future damage.

Misc items

Crank sensor cabling was routed in the modified route via the passenger side inner wing. This should result in the part lasting much longer as it is less exposed to heat and any future swap put is MUCH easier.

Windscreen washers were fixed, the low pressure on these was due to the washer pipe being trapped under the ECU box.

Instrument panel software was corrected, no varient coding was programmed into the unit.

Climate panel coding was in-correct, the panel was not setup with an aux coolant pump and hence it was permanently running it!

Crack of doom was fixed by tightening up the door check strap bolt!

Test drive

The car drove very well with no strange knocks or clonks, engine is responsive and handling is good. MPG seems pretty spot on and engine vac is excellent sudgesting the mechanicals are in good condition. Engine internals are nice and clean

The suicidle sparrow collected in the front grill during the test drive was removed on return, how does a bird traveling at a few mph into a car traveling at 60...ish mph end up embeded into the grill arse first!
Title: Re: Jimbobs Coolant Leak
Post by: Steve W on 09 August 2007, 18:43:10
Glad its sorted and is becoming the car it always had the potential to be. :)
Title: Re: Jimbobs Coolant Leak
Post by: Kevin Wood on 09 August 2007, 22:17:13
Quote
The suicidle sparrow collected in the front grill during the test drive was removed on return, how does a bird traveling at a few mph into a car traveling at 60...ish mph end up embeded into the grill arse first!

ROFL!  ;D

I guess he was trying in vain to escape impending doom. Or he had turned inside out.

Doesn't beat my Pheasant that wedged itself between the wishbones on the Westie and was gradually being sauteed (and plucked pretty well, too) on the brake disk. I often wonder where its' head ended up. I suspect that it was above the top wishbone at impact whereas the rest of its' body was below  :( It was a pleasant parting gesture for him to arrange to completely miss my braided brake hose though.

Kevin
Title: Re: Jimbobs Coolant Leak
Post by: TheBoy on 09 August 2007, 22:18:39
I decapitated a hen once as the stupid thing ran out in from of my Escort van going flat out. Took it clean off.
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 10 August 2007, 07:56:49
Cheers all, my best decapitation was a pheasant....no matter how much I swerved, he mirrored my movements
THWACK, cloud of feathers, car behind got covered in blood and guts!

Car running like a dream, Big jubilee clips on order, will refit that heat shield thingy when I fit those.

Next door neighbour (loves cars) came out just as I was pulling in last night, "came to see what that lovely sounding car was, ITS YOURS, sounded great before, sounds even better now"
Tis nice to drive again, so much smoother than it was :)

needs about 2cm coolant top up tonight, hope its just settlement and air escape.
No smoke this morning either.  (if I hadnt opened the bonnet, wouldnt have seen it yesterday mind)
Title: Re: Jimbobs Coolant Leak
Post by: Marks DTM Calib on 10 August 2007, 09:59:54
It might well be the system purging of air.

Do keep an eye on it though, I went through all the obvious bits like pipes etc in fact I removed every piece of coolant related item attached to the engine!
Title: Re: Jimbobs Coolant Leak
Post by: TheBoy on 10 August 2007, 11:59:18
Quote
It might well be the system purging of air.

Do keep an eye on it though, I went through all the obvious bits like pipes etc in fact I removed every piece of coolant related item attached to the engine!
Yes, I know that feeling :(
Title: Re: Jimbobs Coolant Leak
Post by: Markie on 10 August 2007, 12:01:20
Quote
Quote
It might well be the system purging of air.

Do keep an eye on it though, I went through all the obvious bits like pipes etc in fact I removed every piece of coolant related item attached to the engine!
Yes, I know that feeling :(

me too  :( :(
Title: Re: Jimbobs Coolant Leak
Post by: Jimbob on 10 August 2007, 14:08:28
I'm not worried (yet ;) )  just keeping an eye, you said to keep an eye on the levels....