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01-03-2020, 06:03 PM | #1 |
Junior Member
Join Date: Jun 2016
Location: New Orleans, LA/ Fredericksburg, TX
Posts: 6
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Sharp Scrape/squeal from coasting
Intense grinding/scraping growl that is tied to wheel RPM. Most recently came on when car was warm, cruising in 3rd. Comes and goes, I cant seem to find consistent trigger. Front wheel bearings replaced, not that. Sounds like it is coming from gearbox area, doesn’t really seems to be coming from front wheels or rear end. Noise is only tied to rotation of wheels, shut engine off to coast and it continued. Shifting seems normal. Far as I could tell, potential culprits in that area that are turning with wheels are driveshaft roller bearing, U joint, and output shaft bearing....any thoughts?
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01-03-2020, 10:09 PM | #2 |
Senior Member
Join Date: May 2010
Location: Tacoma, WA
Posts: 1,025
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Re: Sharp Scrape/squeal from coasting
Pinion bearing or something in the rear end. Sound will telegraph.
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01-04-2020, 07:43 AM | #3 |
Senior Member
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Re: Sharp Scrape/squeal from coasting
Make sure it's not your drum rubbing on the backing plate.
The u jpint is very close to the bell that covers it. Maybe something is loose down there with the hsg. See if it changes when swerving left to right. |
01-04-2020, 08:56 AM | #4 |
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Join Date: May 2010
Location: La Mesa Ca
Posts: 1,157
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Re: Sharp Scrape/squeal from coasting
A speedometer or speedo cable squeal can telegraph to almost any part of the car.
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01-04-2020, 11:36 AM | #5 |
Senior Member
Join Date: Jul 2010
Location: United Kingdom
Posts: 1,439
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Re: Sharp Scrape/squeal from coasting
long shot .... can you tighten wheel/lug nuts a little bit more?
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01-05-2020, 02:24 PM | #6 |
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Join Date: Jun 2016
Location: New Orleans, LA/ Fredericksburg, TX
Posts: 6
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Re: Sharp Scrape/squeal from coasting
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01-05-2020, 05:27 PM | #7 |
Senior Member
Join Date: May 2010
Location: Largo Florida
Posts: 7,225
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Re: Sharp Scrape/squeal from coasting
It only happens in high gear ?
With engine off and coasting, was trans in gear or neutral, clutch in or out ? |
01-06-2020, 11:38 AM | #8 | |
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Join Date: Jun 2015
Location: Red Deer, Alberta
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Re: Sharp Scrape/squeal from coasting
Quote:
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