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If an exhaust pipe comes off, can it do any damage to the motor or in any other way to a vehicle?


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needsomeadvice
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Mar 27, 2012, 6:34 PM

Post #1 of 4 (946 views)
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If an exhaust pipe comes off, can it do any damage to the motor or in any other way to a vehicle? Sign In

I have a 1990 Chevrolet Cheyenne truck. Recently, the exhaust pipe came off. If I don't have it replaced, can it do damage to the motor or in any other way to the vehicle if I keep driving it that way? It's kind of loud, but it's not that bad. I've been driving it without the exhaust pipe for awhile and have had no problems so I'm wondering if it's crucial to have it replaced or not.


Hammer Time
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Mar 27, 2012, 6:39 PM

Post #2 of 4 (940 views)
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Re: If an exhaust pipe comes off, can it do any damage to the motor or in any other way to a vehicle? [In reply to] Sign In

That's not a real good idea, depending on where it's broken. The further forward, the worse it is. If it's broken before the oxygen sensor, it will mess up all kinds of things. Anywhere in the forward area will cause exhaust fumes to get into the cabin and that is dangerous. The reduction in backpressure can damage the valves also.




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Tom Greenleaf
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Mar 28, 2012, 4:05 PM

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Re: If an exhaust pipe comes off, can it do any damage to the motor or in any other way to a vehicle? [In reply to] Sign In

Quick reply - heat in the wrong places can be not just dangerous but deadly!

Tom


Discretesignals
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Mar 28, 2012, 8:17 PM

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Re: If an exhaust pipe comes off, can it do any damage to the motor or in any other way to a vehicle? [In reply to] Sign In

I don't know. I hear conflicting stories behind the cracked valve cold air theory. I see boats run open headers all day long and don't burn up or crack valves.

I think on some of these when you uncork the exhaust you reduce the back pressure which can cause a lean condition if you don't compensate for it. A lean condition can cause burnt valves.





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(This post was edited by Discretesignals on Mar 28, 2012, 8:18 PM)




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