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I suspect the engine has a leaking exhaust manifold

Tiny
STOKES
  • MEMBER
  • 1995 BUICK RIVIERA
  • 160,503 MILES
When the engine is first started I suspect the noise I hear is a leak from the exhaust manifold. However after a short while the noise is silent.
Wednesday, May 2nd, 2012 AT 9:42 PM

4 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
See if you have any loose or broken bolts holding the manifold on also look for black carbon showing signs off exhaust going around the manifold. Thats where I would start.
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Wednesday, May 2nd, 2012 AT 9:49 PM
Tiny
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Thanks >> Is there a spray one can spray the area to check for leaks?
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Wednesday, May 2nd, 2012 AT 10:12 PM
Tiny
ASEMASTER6371
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No spray but look for smoke when you start it to narrow down the leak.

You can get someone to close off the exhaust out the back with a rag for a minute to force the leak as well.

Roy
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Wednesday, May 2nd, 2012 AT 11:46 PM
Tiny
SATURNTECH9
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With the spray your thinking of looking for a vaccuum leqk not exhaust leak.
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Thursday, May 3rd, 2012 AT 1:10 AM

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