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Bentley --> Heat Riser/Plug !?
Since I haven't received any replies regarding this, can anyone please
their Bentley to see if it has any information ? Thanks.
> From: Mittal, Vikram (SUPP)
> Sent: Monday, October 27, 1997 11:58 AM
> To: 'quattro'
> Subject: Heat Riser/Plug !?
> When I started my 1990 100 yesterday, I felt that there was more
> than usual coming from the catalytic convertor area.
> Suspecting a leak I took it to my local muffler guy who put it on the
> What we found is that there is a small tube on the cat. itself
> pointing to
> the back of the car. Some amount of exhaust gases are being
> expelled through this.
> Now I am not sure if this is correct or not. The muffler guy assures
> that this is something to do with the engine and can only be fixed by
> an Audi dealer. Additionally, he refer's to it as a "heat riser/plug"
> I am surprised that I have never heard of such a thing and also that
> muffler guy was actually turning away business saying that only a
> can do this.
> Can anybody shed some light on this ? I am going to continue using
> my car as if nothing is wrong. Is this a good idea ? The car has 104K
> miles on it and the original exhaust system and oxy sensor.