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1987 BMW 535 Exhaust System

Tiny
LEAH HINDS
  • MEMBER
  • 1987 BMW 535
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 79,000 MILES
Will driving my car with an exhaust leak burn the valves? It is a new exhaust system.
Friday, December 5th, 2008 AT 9:55 AM

5 Replies

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
An exhaust leak is an irritation to be sure and there is a concern if the exhaust leak is at the cylinder head to manifold interface. I would think the valves will not be compromised but the issue should be resolved as soon as possible to protect against exhaust gases entering the passenger compartment. If I can help you more with this issue please be in touch.
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Friday, December 5th, 2008 AT 12:32 PM
Tiny
LEAH HINDS
  • MEMBER
  • 3 POSTS
The leak is where the back half of the exhaust system bolts to the front half - not at the cylinder head.
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Friday, December 5th, 2008 AT 12:35 PM
Tiny
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That will possibly require replacement of the donut gasket and will not adversely affect the valves directly, but I would get it attended to promptly. Is the catalytic converter intact and is it original equipment, they have been known to crack with age.
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Friday, December 5th, 2008 AT 12:45 PM
Tiny
LEAH HINDS
  • MEMBER
  • 3 POSTS
Everything is totally new. My husband and I replaced it ourselves and he works on our vehicles all the time. He has been a BMW mechanic before. I just want to take a trip next week and take that car and he said it will damage the valves if I drive it that far with the exhaust leak. I think he just doesn't want me to travel to where I am going.
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Friday, December 5th, 2008 AT 1:05 PM
Tiny
DOCHAGERTY
  • MECHANIC
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So you are looking for someone to support your position? I do not wish to over ride your built-in mechanic on this issue, if he says it is going to burn the valves then perhaps we can find some way to get this issue resolved so the ends don't get played against the middle, so to speak. I hope you can see the point I am trying to make.
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Friday, December 5th, 2008 AT 1:57 PM

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