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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
New User
Mar 27, 2012, 3:34 PM
Post #1 of 4
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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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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.
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 27, 2012, 3:39 PM
Post #2 of 4
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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?
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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
Ultimate Carjunky
/ Moderator
Mar 28, 2012, 1:05 PM
Post #3 of 4
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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?
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Quick reply - heat in the wrong places can be not just dangerous but deadly!
Tom
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Discretesignals
Ultimate Carjunky
/ Moderator
Mar 28, 2012, 5:17 PM
Post #4 of 4
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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?
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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.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Mar 28, 2012, 5:18 PM)
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