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Re: [T3] Top Causes of Exhaust inside car?


<x-charset iso-8859-1>> This is not due to a heat exchanger failure in the normal sense, but
> rather due to a poor seal between the heat exchanger and the
> muffler. Exhaust gas leaks there will spray forward and blow into
> the heat exchanger airbox around the rusted away joint where the
> exhaust pipe exits the airbox.

That's not usually much of a problem until the clamping gasket around the
rear of the heat exchanger shrouding also fails through corrosion.  Heat
exchangers on Type 1 give trouble much more often because they don't have
this extra clamp.
The pipe through the exchanger can also (rarely) fail where the header pipe
seals to the casting inside.

Dave.
UK VW Type 3 & 4 Club
http://www.hallvw.clara.co.uk/
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