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[Nick W]

I remember it being a total pig to reassemble following said rubbing, and that the tubing is/was available from VX 

You can also buy hard rubber vacuum hose which does the same job and is easier to use.


Rubbed through vacuum lines is a common repair on Audis(for example) who would use them to work the light bulbs if that was possible in anyway.

[Kevin Wood]

Where does the small vacuum hose in the background by the brake lines go? Is it loose?

[Doctor Gollum]

The horizontal one? It comes from the white T by way of the rubber tube. What looks to be a spigot left of the OWV is actually one and the same line as the horizontal one.

[Kevin Wood]

The horizontal one? It comes from the white T by way of the rubber tube. What looks to be a spigot left of the OWV is actually one and the same line as the horizontal one.

Yes, looking at it more closely I see what you mean. Might just need the clear section replacing with something more robust, then?

I'm struggling to remember how it's all supposed to go together and haven't got an Omega to go and look at.

[Doctor Gollum]

Some cars had a OWV with two spigots, which saves the T... although I don't recall seeing a facelift V6 with one. 

To answer Migalots point about any work that would disturb it, HBV/coil/dis pack replacement/plug changes/camcover are all pretty basic Omega servicing items that would see that pipe at least disconnected 

[Tick Tock]

Here's how it should be plumbed up, although I've modified the routing on this car to make it simpler. Also avoids having to run the 2 pipes across the bulkhead and clutter up the already busy area over the cam covers. I hope this helps 

[Doctor Gollum]

That confirms the difference between the vac lines on the 2.5/3.0 and the later 2.6/3.2

The OWV with two spigots is clearly visible on the earlier set up

[Migalot]

Thanks Tick Tock. Great pics. 

To avoid confusion, do you have a 2.5 V6? With mine being a 2.6, I presume that it will be a bit different by the bulkhead (as per Doc Gollum's post)? 

[Tick Tock]

Yes, sorry I should have said it's a 2.5, but there's not a great deal of difference.

[Migv6 le Frog Fan]

If were sure it just needs a rubber elbow piece the same as the one next to it, I have a few spares, so will send one off to Migalot.
Actually, I have to put the bins out shortly, so will check my own car while Im out there. 

[Migv6 le Frog Fan]

Mine looks slightly different, but I think it should be a straight rubber pipe. I have a spare one of those too, so will send both.

[Migalot]

Mine looks slightly different, but I think it should be a straight rubber pipe. I have a spare one of those too, so will send both.

I've sent you an email. I found a straight bit of rubber pipe and put that on. Sadly, I have another on-going issues with the car, so I think I will shortly be selling/scrapping.  :'( :'(

[Migv6 le Frog Fan]

Ah, ok. Is the pipe you fitted a snug fit ? If so, it sounds like it should do the job. Re the other issues. Have you had a new lamda sensor fitted but it still throws up a code ?
Shame to scrap a perfectly good car for the sake of an annoying, but not major, issue.

[Migalot]

Ah, ok. Is the pipe you fitted a snug fit ? If so, it sounds like it should do the job. Re the other issues. Have you had a new lamda sensor fitted but it still throws up a code ?
Shame to scrap a perfectly good car for the sake of an annoying, but not major, issue.

Hi Albs. Yes it's a snug fit.

It is great shame to get shot of the old girl, but having had the No1 Lambda sensor on Bank 2 changed twice and having just fitted a replacement ECU (along with the transponder etc.), it is unbelievably annoying to get this:

P0430-01 - Catalyst System Efficiency Below Threshold (Bank 2). Status:Absent
P0155-04 - O2 Sensor Heater Circuit Open (Bank 2 Sensor 1). Status:Present
P0155-08 - O2 sensor heater circuit malfunction (Bank 2 Sensor 1). Status:Present
P0150-04 - O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1). Status:Intermittent

It's looking like a fault in the loom and that's where it gets to the end of the road for me. I have neither the skill or the time to go through the loom. I can't leave it as the Cat will get terminated and, in any event, I can't see it passing its MoT on 1 June. :'(

Been on the used car pages this afternoon, but can't identify a suitable Omega replacement as yet!

[Doctor Gollum]

It left the factory with 0420/0430 codes.

Nothing to say that those other codes weren't already present in the new ecu.

Running new wires is no big deal, likewise cleaning connectors.

Incidentally, all those codes are for the same sensor... Passenger side pre cat.