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Omega V6 downpipe gasket

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cwill144:
I have had issues with my 3.0L V6 exhaust downpipe gasket. Each time I change the gasket it fine then it starts blowing within about 6 months. I’ve tried different makes of gasket I even had a genuine GM and it still went. I have checked for flatness on the flange and they seam ok.
Can anyone recommend a gasket or a fix? It only seams to be the o/s which would point to the manifold or downpipe flange!! Have a mot in 6 weeks so would like to have a permanent fix.
Any gasket recommendation would be good.

Doctor Gollum:
Have you tried genuine ones?

cwill144:
Yes had 1 set but it went on the drivers side. Do you know where I can get them from? Tried at the dealer who said they were discontinued.

Doctor Gollum:
You'll have to dig with the part number. Chances are that the number has changed and it's showing as NLS on their system but they CBA to do some basic research.

Andy B:

--- Quote from: Doctor Gollum on 26 February 2024, 21:42:26 ---Have you tried genuine ones?

--- End quote ---

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