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06-30-2015, 07:42 PM
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#1 |
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Registered User
Join Date: Jun 2006
Location: massachusetts
Posts: 126
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curious about noise
When I shut my 2003 5.3 off and it is cooling down I have a clack noise that sounds like it is coming from the transmission pan . I noticed it a few weeks ago because I was under there with the truck off replacing the o2 sensor then the other day doing an oil change. the clack or loud tap happens on a slow interval about a minute apart. I'm just curious what could be cooling off and giving such a loud tight tap.
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07-05-2015, 07:18 PM
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#2 |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: curious about noise
It's the exhaust cooling down, No problems!
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07-06-2015, 10:10 PM
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#3 |
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laying low
 
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 12,957
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Re: curious about noise
I had a Suburban that did that after coming home from a highway trip. It would pop several minutes after shutdown. I thought it was the cat or muffler.
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