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1

Omega General Help / Re: Hand Brake Shoe Pin Corroded through the Back Plate

« on: 17 June 2025, 17:37:03 »

I read through this topic, and it left me wondering, what was the outcome with O-ring/seal behind backing plate? Did you order an original one or used a generic O-ring?

I will be changing both backing plates (and wheel bearings) as well within next weeks to my daily driver

2

Omega General Help / Re: Changing V6 Cam Oil Seals without Renoving Cam Covers

« on: 19 March 2025, 13:40:54 »

I think the GM documentation says you have to replace the bolt.  I do recall its a bugger of a bolt to remove, and you will have to find some way of locking the crank, as the bolt is proper tight!

Actually there should be a locking tool for the crank, KM 911, it sets to the fly wheel teeth and holds the cranks still while un-doing or tightening the bolt

https://www.ebay.co.uk/p/655687185

 

3

Omega General Help / Re: Omega 2.5 V6 TC light on

« on: 24 February 2025, 16:02:18 »

Is there chance to read error memory with vauxcom or some other proper diagnostic tool?

4

Omega General Help / Re: Which oil for V6?

« on: 24 February 2025, 16:00:50 »

Iīve used always 5w40 in my Omegas (2.2 and 3.0) with GM-LL-A-025, GM-LL-B-025 specifications or then Dexos 2. Numbers behind the oil can are as much important as the numbers in front

5

Omega General Help / Re: Y26SE - starting then dying

« on: 11 February 2025, 08:06:56 »

Could be why it was sold...

Helpful comment......

Tell me about it...

6

Newbie Welcome Area / Re: P0136 O2 SENSOR FAULT

« on: 03 February 2025, 12:15:31 »

Might be a faulty connector or something in wiring loom of that particular sensor. If the error code is absolutely correct.

7

Omega Gallery / Re: Omega B2 3.0 V6 Executive from scrap to sunshine

« on: 27 January 2025, 12:41:26 »

Minor update to this one and some future plans:



I bought new stainless steel exhaust.

In the spring Iīm going to replace fuel filter and make a better connector for the battery, weld some sheet metal to right side sill, and defiantely do re-alignment. The car doesnīt handle in the corners/when losing grip normally, there are new bushes all around so everythig is tip top and the only negative variable is the allignment, the equipment was wrehter calibrated wrong or the rear toe angles are causing these issues. The problem isnīt that "subframe is about to come off"- feel, the problem is that I donīt feel the rearend grip like Iīve done before with this in summer 2023 (despite having old crappy bushes in that time) and like feel other Omegas and every car Iīve driven by this far. Omega shouldnīt be hard to catch, thatīs just the case.

I still have the manual gearbox conversion back in my head, but maybe nor for this year...?

Aircon-system needs re-filling by the way

Hopefully more driving and less repairing in this summer

8

Omega Gallery / Re: My Omega B2 2.2 16v from lemon to daily driver

« on: 27 January 2025, 12:28:28 »

Little update after a year...   I used this as a daily for the last spring, but I got few issues. The leftside front caliper was slightly binding (also pads were worn unevenly), cam cover was leaking oil AGAIN, some minor mifires during on accleration and floaty idle as well. During last summer I start work-on with along side with my other projects.



I ordered new geniune cam cover, there for I got 100% confindence that itīs straight and the crank case breaher channel inside isnīt clogged.







I also cleaned the thottle body and added new Elring gasket threre. This was also a good time for little "health check" therefore I took a quick look for old spark plugs and did a pressure test to the coolant system, everything seemed to be fine. Yes, I did replace sprak plugs.



New seals to calipers and new brake hoses just in case. Binding was gone

https://www.youtube.com/watch?v=1mIPyFrFSyM

As it can been seen in the video as well









After wash and interior clean up it was drivable again! Well in the summer I drove just the time that I got CCV replacement done for my 325i, but certailny I had fun

Before MoT one of the retaining pins of the rear brake shoes snapped Luckily that happened while adjusting them, so I took old parts off and replaced pins and spring on both sides. Then in September this one passed MoT as well





I did cambelt because the milage was full again. Nothing special on that and managed without locking tools.

Car was bery enjoyable to drive on damp tarmac during the last fall, chuckable and predictable, you feel how rear loses grip, catch it and control it, my V6 doesnīt currently have the same feeling despite suspension rebuilt so definately that needs a nre allignment, but I get into it later and another topic...





Winter came eventually and it was fun all the way, until left side rear calper started to bind about two weeks ago...   Right now Iīm driving 325i and waiting better time to fix this, propably I will replace both calipers to rear or then I will overhaul them by adding new gaskets and pistons. Maybe some other minor fixes to the car also, weīll see

9

Omega General Help / Re: Burning oil...

« on: 12 January 2025, 10:43:31 »

One "easy" option would be the crank case breather, unless you already havenīt clean up the breaher box behind the block and the valve above plenum?

https://www.omegaowners.com/forum/index.php?topic=90653.0

There are good instructions for cleaning it up by the way

10

Omega General Help / Re: Omega 2.2 Starting issues

« on: 08 January 2025, 14:03:43 »

I would check that battery connectors/cables are still ok, especially the narrow one that is the positive to starter motor.

11

Omega General Help / Re: No heat in the cabin, heater matrix replaced and hot

« on: 20 November 2024, 15:09:39 »

If thinking that there is any chance for external leak wrether in HBV or somewhere else, one option for finding it, would be to presurize the system

https://youtu.be/G9O--zV-ZQw

https://youtu.be/Ox2WtinRkBE

Couple vids from my case about year ago. Helped me to diagnosize faulty HBV easier

12

Omega General Help / Re: Coolant transfer pipe seals.

« on: 17 November 2024, 19:42:36 »

There you go...

https://www.autodoc.co.uk/facet/7153642#thermostat-housing-gasket

EDIT: Correct link to the trasnfer pipe O-rings instead of thermostat gasket...

13

Omega General Help / Re: Coolant transfer pipe seals.

« on: 17 November 2024, 19:30:00 »

Yes thanks, those are the ones I want.
It seems they are not easy to find now.

Read my edited section

14

Omega General Help / Re: Coolant transfer pipe seals.

« on: 17 November 2024, 19:15:54 »

Youīll probably mean these ones?



They go to the grooves in transfer pipe to the end that comes inside thermostat housing:



In the pic above the pipe has been removed, for replacing those O-rings

EDIT: Just read you question properly... but you can find from Autodoc fox example:

https://www.autodoc.fi/facet/7129263#tiiviste-termostaatti

Or I bought mine from there.

You can find reference numbers from the link as well

15

Omega Gallery / Re: Omega B2 3.0 V6 Executive from scrap to sunshine

« on: 14 November 2024, 10:03:25 »

Probably diff mounts. Makes the car feel like the subframe just fell off under load around a corner.

Sliding it around carparks won't do it (or the rest of the car) any good.

Always liked those original 17" 5 spoke Opel wheels

The rearbeam is ok, threre is no play on any of the bushes or mounts of the diff. I donīt get any feeling of subframe coming off etc. The issue is when going for larger angles, you donīt get enough feeadback on the rearend though streering wheel and itīs sliding further than it used to do. Last summer there was no such issue, despite having old bushes all around. For comparison my daliy drive Omega drives spot on and like Omega youīll always catch it even on full-lock. Only variables I found are allginment and cheap chinese (RoadX) tires, allthough I had previously cheap Radburgs as well with no issues, it has to be something on the allignment.

EDIT:
https://www.youtube.com/watch?v=ZI207qabQ44

Just to give some reference, my daily drive in the wet at summer night