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1

Omega General Help / Re: 3.0 lambda sensor wiring colours...

« on: 17 November 2025, 19:27:43 »

 


The Dymo was my best purchase before stripping out the whole car, closely followed by a bulk buy of Ikea sandwich bags in every size they did. As soon as anything got removed, the loom got a label and the bolts or whatever went into a bag - labelled with a Sharpie.


Even a few weeks later I'd have been struggling to remember what some of the stuff was, never mind five years later as it is now 


Cheers, Stu

2

Omega General Help / Re: 3.0 lambda sensor wiring colours...

« on: 17 November 2025, 13:00:13 »

My label hasn't faded away yet, so I can tell you pin C on the N/S sensor is (a very grimy) brown with a blue stripe 





Cheers, Stu

3

Omega General Help / Re: VX grey goo ?

« on: 13 November 2025, 17:46:44 »

Thanks Dave 

4

Omega General Help / VX grey goo ?

« on: 11 November 2025, 23:33:16 »

What's the Autodoc-available equivalent of the VX/GM "grey goo" I commonly see referred to? Specifically I'm after some for resealing a V6 breather box. Or is it the case that grey goo is grey goo is grey goo, and so long as it's grey it doesn't really matter about the label? 


For example, would this match ? - [size=78%]https://m.autodoc.co.uk/elring/15483203[/size]


An actual Vauxhall dealership (or halfway decent motor factors) would be an hour's round trip at least these days, whereas I'm in no rush and can just add a tube of something to my order and wait a few days.


Cheers, Stu

5

Omega General Help / Re: V6 oil level sensor

« on: 10 September 2025, 11:58:43 »

   Thanks for the confirmation Doc

6

Omega General Help / V6 oil level sensor

« on: 09 September 2025, 21:54:55 »

Is there a trick to getting the connector out of the sump? The Haynes says to remove the clip and "simply" push the connector through from the outside. I suspect that the thing's just gone a bit brittle after nearly thirty years and doesn't want to budge, but I thought I'd check first rather than go heavy on it. 





The bit of the connector on the inside of the sump is all one piece, right? Before I go trying to undo it or anything ...

7

Omega Gallery / Re: Got there in the end - AND a new MOT...

« on: 09 September 2025, 18:41:01 »

Oh, that's nicely done 

Any particular paint to get such a nice finish on the intake plenum?

8

Omega General Help / Re: Plugging SAI manifold holes

« on: 10 August 2025, 11:15:39 »

A little late to the party having been away, but when I chopped out the SAI on my 3.0 I made up a few little blanking plates from some 4mm offcut, and just reused the original bolts with a smear of exhaust paste on the back. Perfectly functional. Replace the socket for the SAI valve with a 100 ohm resistor, as the ECU just wants to see some resistance on the line so it won't complain with a fault code.





For the EGR delete, I blanked off the each end and wired up a little cheater circuit. Unlike for the SAI delete, the ECU wants to see signals back within a happy range, so this just provides it with constant happiness    https://www.omegaowners.com/forum/index.php?topic=149550.30#msg2008893

9

Omega General Help / Re: Massive Clattering Noise

« on: 25 April 2025, 09:40:27 »

So, in an ideal world I would never want to see this pipe again…

If it needs a new gasket, it's a 2x37mm. You're welcome to one - I can probably find the little packet of them in the garage, if necessary. 


https://www.omegaowners.com/forum/index.php?topic=149577.0;all

10

Omega Electrical and Audio Help / Re: Immobilizer issue

« on: 22 January 2025, 17:56:49 »

Excellent news 

11

Omega General Help / Re: 1999 Omega 2.5 v6 Elite - failed oil cooler

« on: 26 November 2024, 11:44:08 »

That's a cracking result   


Failing to visualise the arrangement of the oil cooler in my head whilst sat in the office - would that simply be a male M18 x 1.5 at each end of the flexi?

12

General Car Chat / Re: walk around scrapyards

« on: 24 September 2024, 10:35:49 »

1st Choice Car Spares in Accrington, as mentioned by @cam.in.head. Decent old-fashioned kinda place, but let down by the fella's total reluctance to make the stacked 2.6 Elite pickable and get some cash from it, versus wanting to sell me a different "good" engine, that had been extracted in the usual clinically sympathetic manner    Well, at least it was a nice sunny afternoon ...

13

Car Parts, bits For Sale & Wanted / Re: WANTED : V6 non-runner/scrap engine

« on: 16 September 2024, 16:07:18 »

Much appreciated Gastro 

14

Car Parts, bits For Sale & Wanted / WANTED : V6 non-runner/scrap engine

« on: 15 September 2024, 21:40:24 »

Evening folks,


I'm after a non-running V6 of any flavour to use for some mocking up on a project, so as to avoid taking apart my perfectly happy X30XE. Ideally still with ancillaries, even if they're questionable too, as it's the overall shape & positioning I want it for, rather than having aspirations of somehow rebuilding it. But hey, beggars/choosers, and all that...


If you've something sitting unloved in the corner of your shed (somewhere in the UK) and want the space back, let me know.


Cheers, Stu

15

Omega General Help / Re: Stolen 3.2 estate

« on: 04 March 2024, 12:48:04 »

A bugger to hear that. Was the key taken as well then?