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Author Topic: Jimbobs Coolant Leak  (Read 7937 times)

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Marks DTM Calib

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Re: Jimbobs Coolant Leak
« Reply #45 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!
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TheBoy

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Re: Jimbobs Coolant Leak
« Reply #46 on: 05 August 2007, 21:06:21 »
Getting there :y
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Jimbob

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Re: Jimbobs Coolant Leak
« Reply #47 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!
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Marks DTM Calib

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Re: Jimbobs Coolant Leak
« Reply #48 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!)
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TheBoy

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Re: Jimbobs Coolant Leak
« Reply #49 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?
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Re: Jimbobs Coolant Leak
« Reply #50 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
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Marks DTM Calib

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Re: Jimbobs Coolant Leak
« Reply #51 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.
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Jimbob

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Re: Jimbobs Coolant Leak
« Reply #52 on: 05 August 2007, 23:01:30 »
HOLY SH1TE

THANK YOU

Thats what I call A Job Well done!
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Taxi_Driver

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Re: Jimbobs Coolant Leak
« Reply #53 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  ::)
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Marks DTM Calib

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Re: Jimbobs Coolant Leak
« Reply #54 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!
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Jimbob

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Re: Jimbobs Coolant Leak
« Reply #55 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
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Marks DTM Calib

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Re: Jimbobs Coolant Leak
« Reply #56 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.
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Jimbob

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Re: Jimbobs Coolant Leak
« Reply #57 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 :)
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Marks DTM Calib

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Re: Jimbobs Coolant Leak
« Reply #58 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.
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Jimbob

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Re: Jimbobs Coolant Leak
« Reply #59 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 :)

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