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[davep]

Hi All

I seem to have the same issue as this post

http://www.omegaowners.com/forum/YaBB.pl?num=1307206754

basically my car was sounding like a tractor,  after checking out the exhaust, where there was no problem, I traced the problem to a small rubber joint on the left (as you look at the car) on a pipe from the non return valve. 

ie this part (just for reference, not my sale!) ie the connector on the long end

http://www.ebay.co.uk/itm/OPEL-OMEGA-V6-NON-RETURN-VALVE-GM-90469782-90-469-782-/310276518106?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item483debf0da

Basically I didn't realise there was a problem and I joined the parts with something a bit more manly and drove to work yesterday (the car drove like a dream) but when Igot home the missus (also a petrol head) found the above.

Thankfully I don't think I have done any damage, but I need a simple fix to this until I can buy/repair the valve, but I need to use the car today.  so I don't want to cause any damage buy just jumping in and driving it.

one of the threads above suggests blocking the EGR valves pipe from the exhaust manifold to prevent damage,  does this work (is there a simpler resolve)  I do intend to fit a new valve ASAP, but I need the car for the next three days, and I work shifts so if I can apply a heath robinson fix (bodge) that won't damage the car until I can do the job properly I'll take that option for now.

Any ideas blocking the EGR valves pipe from the manifold looks a pig of a job as the access to it is limited, but needs must, need the car this afternoon, so any help greatfully recieved.

thanks Dave

[tidla]

mark dtm has answered this in the thread above.

[Kevin Wood]

mark dtm has answered this in the thread above.

To expand a little, if the failure is the short rubber sections each side that connect the long stainless pipe to each exhaust manifold, the problem is more likely a blocked exhaust.

If the failure is the rubber pipe connecting that triangular-shaped non-return valve part to the rest of the system when the valve might well be the issue. They are easy to check. Just remove the rubber pipe and see if you can both blow and such through it. You should be able to blow but not suck.

TBH, if that failed I would just remove the whole system and block the two short pipes at the manifolds with something suitable (15mm plumbing stop-end perhaps?).

You do need to leave the solenoid valve electrically connected to keep the ECU happy, and unplug the blower under the passenger side wing.