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76

Omega Electrical and Audio Help / Re: ECU Coolant temp plug mix up

« on: 28 April 2023, 17:02:00 »

i'm afraid I can't see anything that looks like a valve, is it supposed to be as per this picture or different on the later engines?

The red circled one:

https://i259.photobucket.com/albums/hh301/Andygun89/DSCF23721_zps4namtkxu.jpg

Heres a picture of that areas in mine, rock all I can see:

https://photos.app.goo.gl/zWH5oPdc8MQyxZcRA

Cheers

G

77

Omega Electrical and Audio Help / Re: ECU Coolant temp plug mix up

« on: 27 April 2023, 09:16:36 »

Thanks for your (Imbibed) reply DG 

It would make sense the one i've plugged in to CTS is the one for the purge as the wiring on it is much longer (so it can reach purge) than the other one, which is just neat enough to reach the CTS. That's my thinking anyway.

The thing that's getting me is I don't remember unplugging the purge, so I'm starting to wonder if that was left off by someone else. Either way I'll get it all plugged back together and see what's what.

For anyone wondering there is a bit of a thread here on the purge where it tells you about mixing up the plugs, and simple test for it as well.

https://www.omegaowners.com/forum/index.php?topic=125619.msg1601929#msg1601929


Cheers

G

78

Omega Electrical and Audio Help / Re: ECU Coolant temp plug mix up

« on: 26 April 2023, 17:50:31 »

Found the big blue plug it must be the one off the end of the injectors. Don't have a clue about the purge valve, I don't mind taking anything else like that off and can't see any other plugs on the manifold anywhere. Maybe it's been left off by previous owner for some reason?

79

Omega Electrical and Audio Help / ECU Coolant temp plug mix up

« on: 26 April 2023, 11:22:21 »

As usual I never took photos when stripping this down, it's been since late last Year so a bit hazy with where these plugs go.

i remember reading on a post somewhere on here that you can mix up the plug for the CTS with another plug. Now that I have read that, I am starting to wonder if I have the right plug on the CTS now because there is 2 plugs coming out the same loom.

https://photos.app.goo.gl/mpcH3bcNn6dUa1396

I plugged one in that seemed to more naturally sit at that point but since I've moved the whole wiring loom back up over the rocker on passenger side, both plugs sit where the sensor is.

i can't remember what else it was that had a plug like this about there?

Also this big blue multiplug is peeking at me from the back passenger side, again I can't remember what if anything that plugged into it, or is it a spare/diagnostic plug or something?

https://photos.app.goo.gl/cy5ZERFYhwXjT5ir7

Cheers 

G

80

Omega General Help / Re: Issue with timing belt marks

« on: 22 April 2023, 18:54:19 »

just retensioned it there and double checked everything as I had tensioned it a bit too tight earlier. I also double checked that tensioner plate with the code on it make sure I was swapping like for like as I forgot to check that first time.

81

General Discussion Area / Re: Going to Spain and driving

« on: 20 April 2023, 20:01:51 »

Drove from Santander to the Algarve last Year, great drive. pretty quiet roads apart from around major towns. We were kept entertained on the night drive back with a guy who took the racing line on every bend on the motorway, we thought he was drunk at first but that was just his way of taking the bends! Also watch out for the fuel stop signs, I think the white ones mean the station could be 5 miles up a country road,  but the blue ones are for repsol and galp ones right on the motorway.

82

Omega General Help / Re: Issue with timing belt marks

« on: 18 April 2023, 18:53:31 »

For the belts with two sets of marks. The white marks are for engines where the lower idler roller is immediately above the crank pulley. For later engines with the lower roller slightly higher and offset towards the nearside, you would use the yellow marks. Usually the belts have double yellow crank marks and single yellow crank marks for cam sprockets 1 and 2, so for the later engines you would use the yellow marks and the remaining white marks for cams 3 and 4. There shouldn't be yellow marks for cams 3 and 4 on the belt, so it's important to observe the correct rotation when mounting the belt.

Usually the later engines have a lower idler pulley without eccentric adjustment. The earlier engines do have the eccentric adjustment for the lower idler pully. Given that Gates part number XS035453XS is being fitted then it should include a new non-eccentric idler roller and the required screw.

Regardless of the engine type or the backplate and tensioner and idlers that are fitted then all the belts have the same construction, length, tooth pitch and number of teeth. Just that old stock belts might not have any yellow marks.

In any event you don't need the marks on the belt and probably shouldn't rely on them. Rely on the timing gauge.

I decided to fit the belt clockwise, don't know why I started going counter clockwise first time. I used the double white marks for the crank and on one set of cams the yellow marks lined up, and the other the white marks lined up, can't remember what side it was, but got all the marks lining up. i also had to fit the bottom roller on after fitting belt as due to it being a tad tight to fit over the roller. I seen this on the TB video and think I had to do that before as well.

Had to adjust cam bank 1 and 2 with eccentric adjuster to bring it clockwise after doing first rotation, 3 & 4 lined up fine first time. Then done final rotation and everything looked fine using crank lock and cam checker plate.

https://photos.app.goo.gl/Vqfd2PJiQZuZNXyM8

83

Omega General Help / Re: Issue with timing belt marks

« on: 18 April 2023, 07:24:37 »

No worries at all You'll get it spot on, I'm sure.

Usually when I fit a V6 cambelt kit, I get it almost spot on by the first spin, sometimes needing just a couple of minor fractional corrections. But, fitting my own (on the project) last week, I ended up making small adjustments and rotating the engine about 8 times until I was truly happy with it.

No shame in that. Because you know when it's done, that it's set up ab-so-lutely cock-on

The first time I done an omega belt it went fairly straightforward, but when I done it next time round with a gates kit could I get it to work NO  must reinstalled it about 6 times, and spun it over enough times to do about 30 miles on the odometer.

I think the problem was I was using a pre-facelift kit on a facelift so that other adjuster, and the marks obn the belt, just totally threw me.

84

Omega General Help / Re: Issue with timing belt marks

« on: 17 April 2023, 21:18:16 »

It's a while since I did one but if there's a rotation mark on the belt, that's the way it needs to go.

If you meant which way do you route the belt, then the later non-adjustable lower roller is done anti-clockwise, and the adjustable clockwise.

Yeah I totally forgot since last time I done it, conventionally on any other belt I've done you always run all the slack to the tensioner, but that was on single cam engines. I'll need to dig out the cambelt DVD for refresher!

If you get really stuck, I'll fly up to you. I'm off work for a while. I do have another cambelt  I've promised to do first, but, if you're stuck without a car I'm sure there can be some negotiation

That's very thoughtful of you  although I should be able to get it all sorted, as I've done it a few times before and usually don't let things beat me! I'm trying to get it all done by the end of April so I can get it taxed and back on road, putting all the bits back together, including the scuttle area and wipers and the breathers and bits I'd removed to do all the other work. 

Cheers

G

85

Omega General Help / Re: Issue with timing belt marks

« on: 17 April 2023, 19:31:52 »

It's a while since I did one but if there's a rotation mark on the belt, that's the way it needs to go.

If you meant which way do you route the belt, then the later non-adjustable lower roller is done anti-clockwise, and the adjustable clockwise.

Yeah I totally forgot since last time I done it, conventionally on any other belt I've done you always run all the slack to the tensioner, but that was on single cam engines. I'll need to dig out the cambelt DVD for refresher!

86

Omega General Help / Re: Issue with timing belt marks

« on: 17 April 2023, 19:29:59 »

Looks like perhaps a tad too much slack between cams 3 and 4. You can, with the locking tool in place, gently rotate the pulleys using a t50 socket (or sometimes by hand) to get the marks sat right.

I don’t personally use the timing marks on the belt - just the setting kit

I tried that with the other set of cam locking tabs which seemed very loose, whether that was a good thing or not I don't know but swapped it for the KM ones which are tighter.

87

Omega General Help / Re: Issue with timing belt marks

« on: 17 April 2023, 16:22:05 »

I just realised is it clockwise I'm supposed to go not t'other way?

88

Omega General Help / Issue with timing belt marks

« on: 17 April 2023, 15:45:02 »

3.2 TB replacement
Gates kit Part number: K035453XS

Lined up the yellow double mark on the bottom pulley, slotted in the locking tab, started working my way up counter clockwise from the pulley, got to the first cam (4th cam), started working it round and then over to the 3rd cam and it doesn't look very happy with the teeth on the belt on 3rd cam.

I was using cam locking widgets from an older locking kit I had that felt a bit loose, so swapped those with the ones from the kent moore locking kit I had, didn't seem to make much difference.

I bought the kit opened, but not used, off a fellow so I'm wondering now is it the wrong belt, or for the pre-facelift. It's got the double yellow and double white lines, with only white marks for the cam line up marks.

It seems to almost line up here cam 4, but I feel like the line should be above the tooth not the gap, the cam and notch behind it seems to line up ok, but the belt won't go any further, and if it did the white line wouldn't line up with marks then:

https://photos.app.goo.gl/5EDjCTqB5oBuuhY69

But the line on the belt won't stretch over to the notch on the cam 3.

Any ideas?

Thanks

G



 

89

Omega General Help / Re: water ingress

« on: 04 April 2023, 22:27:57 »

The drain at the bottom of the cabin filter was blocked in mine, it caused water to back up in that box section and flood into the passenger floor.

90

Omega General Help / Re: Prefacelift handbrake back plate removal

« on: 24 March 2023, 06:53:33 »

New ones here if these help:

https://www.ankerblech.de/c/ankerbleche/omega-b