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1

Omega General Help / Re: 2.6L V6 engine dies with out any clues

« on: 22 May 2024, 16:43:32 »

I had exactly the same but on a 3.2. It began with intermittantly not cranking, but after a vouple of attempts would then crank / start, until it got to the point of being totally 'dead'. Replaced the crank sensor and it started every time afterwards.
But remember - you have to buy a genuine crank sensor from genuine dealer that you genuinely have to walk into and genuinely approach the parts counter and pay the genuine parts person for the genuine part.....
But there are other sources for genuine Bosch parts who made the genuine GM crank sensor for that era of Omega

As I said, I do have one spare BOSCH 0 261 210 131 from a 3.2L that I scraped a couple of years ago. This one fit the block serial number I have.

But I will buy one anyway to have as a spare, good to have when it is needed.

2

Omega General Help / Re: 2.6L V6 engine dies with out any clues

« on: 22 May 2024, 16:37:53 »

Thanks,

I got the same advice from our Swedish Opel group on Facebook.

I have one spare crank sensor and I'll change it tomorrow.

3

Omega General Help / 2.6L V6 engine dies with out any clues

« on: 22 May 2024, 14:47:49 »

Yesterday my 2.6L Omega just died on me when turning in to a parking lot. Then totally dead, wouldn't start.
Called a neighbour that has a tow truck and she came and picked me up. When we have unloaded at home it started without any problem.

I assumed it was the fuel pump that had gone bad and replaced it this morning, I had a spare on the shelf.

Took it for a drive now (about 25 miles) and when almost at home it died again, in the same way. No fault engine lamp, just looks normal but wouldn't start. I waited about 15 minutes and it started up looking good.

Drove it home and checked for codes and nothing at all.

I'm confused, it is hard to know what could have gone wrong. We have kind of warm weather now but it is only about 20°C so wouldn't cause anyhting.

But apparently something shuts off and is OK after a while when it has cold down a bit.

Some sensor that is faulty?

4

Omega General Help / Re: ODBII only read codes with engine running

« on: 22 May 2024, 14:39:49 »

Same thing with my 2.6L Omega, can't link until I start the engine.

But it do work if I turn it of to IGN, then it can connect.

5

Omega General Help / Re: ODBII only read codes with engine running

« on: 21 May 2024, 17:33:00 »

Ign on should be enough.

Are you getting power on the ODBII port with ign off?  Should have perm 12v supply to it.

Yes it gets power when everything is off, but the reader needs ignition on to connect and link to the car.

Everything looks OK with IGN on until I want to read codes or erase codes then it says it can't link to vehicle.

Same problem had the guy at the inspection.

Just before the inspection I got connected with engine running to see if there was any codes that could cause a notification at the inspection. And it works as expected then.

I'll check on my other 2.6 Omega and see how it behaves.

6

Omega General Help / ODBII only read codes with engine running

« on: 20 May 2024, 08:37:29 »

On my 3.2L Omega 2002

I have a problem with my ODBII port, I can't read any codes with only IGN on, it read with engine running.

When I was at the inspection the other day they mentioned this but didn't give me any remarks on it.
So by that I conclude that the problem is in the car


Why is that, it has been working properly earlier, could it be something broken in the connector?

7

Omega General Help / Re: cambelt 3.2 elite gates

« on: 09 January 2024, 21:17:22 »

the correct Gates one is still readily available from Autodoc online.

But are they older than the ones on the car. I would imagine everything now is (very) old stock.

No idea.  The Autodoc stock comes in from Poland/Germany and is for the Opel as well as Vauxhall  Omega, plus goodness what else. As long as they last the 4 years on the engine that is all I care about.

Surely  they didn't stop making them on the same day they stopped making the cars

According to the list for the cambelt kits they were also used in SAAB 9-5 until December 2009.

8

Omega General Help / Re: Replace cats

« on: 26 September 2023, 09:59:18 »

Thanks, it's manifold to down pipes.

Good to hear, I've had some anxiety about those bolts stuck and breaking the studs.


Thanks

9

Omega General Help / Replace cats

« on: 26 September 2023, 08:02:30 »

On my 2002 3.2L Sport my cats are rattling and I have bought a new set.

I know it can be problematic to unscrew the nuts on manifolds and I wonder if there is a good method to do this without breaking the bolts holding the cats to the manifold.

Should I heat the nuts? Or can it be done without heating and still not breaking the bolts.

Appreciate any advice.

Thanks

10

Omega General Help / Re: Rear springs - Estate/Saloon difference?

« on: 12 July 2023, 07:44:32 »

According to this list there is a special spring for hearses.

Item 19X

https://vauxhall.7zap.com/en/car/v94/m/8/1-3/

11

Omega General Help / Re: V6 thermostat replacement.. Need part numbers

« on: 20 September 2022, 13:41:55 »

If you are in Sweden you can find those O-rings at a SAAB-dealer/shop. They have a different partnumber but it is the same O-rings.

And if you're on Facebook you should join the group "Opelgruppen"
https://www.facebook.com/groups/opelgruppen

There are also two different thermostats, the one to the left is for later years, the other one is difficult to get down between the cylinder heads.

12

Omega Electrical and Audio Help / Re: Remote battery holder

« on: 26 May 2022, 08:55:47 »

Look at this:
https://www.omegaowners.com/forum/index.php?topic=138946.msg1792276#msg1792276

13

Omega General Help / Re: Headlight sensor re engineering

« on: 10 April 2022, 08:19:37 »

I used a simple rubber band to keep the ball in on one of my Omegas. It worked but the band broke after a a few months, just put in a new one and drive on. The display showed the error message when it was broken.

14

Omega General Help / Re: Wiper linkage

« on: 03 February 2022, 14:55:51 »

The most common problem with the wipers is that the shaft that holds the wiper arms size up and eventually freeze.

You can take them apart and clean them up, then grease them and then they will run freely.

15

Omega General Help / Re: Car cover recommendations

« on: 06 December 2021, 08:16:53 »

I got one from this company

https://www.carscovers.co.uk/VAUXHALL-CAR-COVERS/OMEGA-CAR-COVER-1994-2003.html

It fitted really well. They have different types depending on your type of storage.