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Volkswagen Vanagon: 1980-1991 (T3) 87 Vanagon cold starts W/Bang!


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Last Post: Sep 2, 2012 8:44 PM Last Post By: FKH161
Corbeau

Posts: 1
Registered: 09/02/12
87 Vanagon cold starts W/Bang!
Posted: Sep 2, 2012 8:18 PM
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I have an '87 Vanagon with a Gowesty rebuilt engine. When cold the engine starts with a sudden loud bang, knock or whump. It almost sounds like a part of the engine hits the frame, though this seems impossible. Can a stuck injector cause this problem.
I believe stress creative by this sudden jerk of a start is what has made my water pump begin to fail with a grinding noise.
Has anyone else experienced this? Any advice is welcome

Thank you.
FKH161

Posts: 7,661
Registered: 12/29/05
Re: 87 Vanagon cold starts W/Bang!
Posted: Sep 2, 2012 8:44 PM   in response to: Corbeau in response to: Corbeau
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Check the muffler end where the tail pipe is... during cranking, that end of the muffler can hit the frame.

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