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10-14-2014, 01:04 PM | #1 |
Senior Member
Join Date: May 2010
Posts: 119
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Need help diagnosing adnormal sound.
Trying to help a friend out. he has a 1930 model a pickup truck. It makes kind of a howling grinding sound when you decelerate, especially when your in 3rd gear and are going 25 to 35 mph. doesnt seem to be coming directly fromthe transmission , or the engine, but we cant seem to pinpoint where its coming from, or what the problem is. Can anybody shed some light on possibilities?
thanks in advance, david |
10-14-2014, 01:09 PM | #2 |
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Join Date: May 2010
Location: Bucks County, PA
Posts: 11,454
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Re: Need help diagnosing adnormal sound.
one possibility ::
speedometer cables can make a racket at times, unscrew it from the trans and retest |
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10-14-2014, 01:23 PM | #3 |
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Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: Need help diagnosing adnormal sound.
If it's not the speedo cable as Mitch said, then I'd check the ring and pinion. The pinion may have a loose bearing and shift enough during coasting to make the noise.
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10-14-2014, 04:39 PM | #4 |
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Join Date: May 2012
Location: inside your RAM
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Re: Need help diagnosing adnormal sound.
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In this shop we re-torque to 80-90 ft-lbs
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'31 180A |
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