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05-13-2014, 05:35 PM
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#1 |
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Dude...I'm a CHICK
Join Date: Jul 2000
Location: Lakeland Georgia
Posts: 6,192
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Exhaust manifold Q
Is it commonplace for a manifold to actually warp? My mechanic is saying that he thinks that the obnoxious tapping sound that is coming from my truck is due to the manifold being warped. Im not trying to doubt him, Ive just never had any experience with this problem. How do you check for that??
thanks!! junk
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~*~*~*~*~*~*~*~*~*~*~*~*~* "The unexamined life is not worth living" -Socrates ~*~*~*~*~*~*~*~*~*~*~*~*~* '71 GMC Suburban 4x4 |
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05-13-2014, 05:38 PM
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#2 |
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Registered User
 
Join Date: Mar 2013
Location: Syracuse, Utah
Posts: 499
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Re: Exhaust manifold Q
The best way to do that would be to pull it off the truck, and set a straight edge on the ports. But yes, it is possible, nothing that can't be easily fixed.
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Justin '67 C20 CST Custom Camper '04.5 LLY Duramax CCSB...sold |
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05-14-2014, 04:40 AM
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#3 |
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Dude...I'm a CHICK
Join Date: Jul 2000
Location: Lakeland Georgia
Posts: 6,192
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Re: Exhaust manifold Q
Thank you! Im getting my truck back today, that will be the project for the evening, lol
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~*~*~*~*~*~*~*~*~*~*~*~*~* "The unexamined life is not worth living" -Socrates ~*~*~*~*~*~*~*~*~*~*~*~*~* '71 GMC Suburban 4x4 |
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05-14-2014, 04:59 AM
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#4 |
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Registered User
Join Date: Feb 2011
Location: Modesto, CA
Posts: 2,189
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Re: Exhaust manifold Q
Yeah it can be fairly common on manifolds as old as these. I had mine surfaced. It's easy to isolate which manifold and check with your hand as well. Wear a latex glove or something similar and the air is easily felt.
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05-14-2014, 12:33 PM
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#5 |
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Active Member
Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: Exhaust manifold Q
Yes, they can warp. Best way to find if there's a leak is to cut a section of old garden hose about 3 feet in length. Place one end on your ear, and because it's stiff, you can place the other end anywhere on the engine without getting burned. You will definitely hear the puffing sound if it really is an exhaust leak. If it's not, you can move it around to try to determine the app. area it's coming from.
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68 GMC 250/3 speed Saginaw p/b p/s 69 Chevy 350/350 currently in pieces still lookin for a cab 06 Trailblazer I just want a vehicle that I can work on, that won't talk to me, leave error msgs or keep track of how I drive... |
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