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My car goes clunk clunk clunk
'87 944S. It has this intermittent sound of clunk clunk clunk. The rate of the clunks increases with vehicle speed and NOT engine speed. Also only does it when in gear and it's louder under load, sometimes it stops when I'm off the gas in gear and sometimes it can still be heard. Push the clutch pedal in and all is quiet. It sounds like it is coming from the left rear but possibly the right rear. Definitely the rear though. All I can think of is CV joints. Anyone else have some thoughts?
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'73.5 911T '87 944S '78 928 |
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05-05-2006, 10:16 AM
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Join Date: Jul 2004
Location: Vinegrove Ky
Posts: 238
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Sounds like the CV to me
 . An easy fix..
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1987, 944S (168,000 miles)..sold 1986, 944na. My job is a hobby. My 944's are work. |
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05-05-2006, 10:19 AM
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Join Date: Apr 2005
Location: Ontario, Canada
Posts: 4,554
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or wheel bearings...
mine did exactly what you're describing, and it turns out the rear left wheel bearing went causing complete destruction to my stub axle and hub... inspect the CV and wheel bearings...
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Kyle 2008 Mini Cooper // '83 Porsche 944 // '01 Mazda Protege [sold] // "Never break more than you fix!" - SoCal Driver |
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05-05-2006, 10:27 AM
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As Eldo says; wheel bearings. The rear stub axles on both the early and later cars will move around under load when the bearings are worn. This is where you will get noise under load/accelerating but not with the clutch disengaged.
Can also be the CV joints. Check the bolts holding the CV's to the axles and at the ouput shafts on the trans. In rare cases this can be a loose output shaft on the trans. Has a bolt in the center to retain it.
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Hugh - So Cal 83 944 Driver Person NOT a 'real' Porsche -- Its Better!!!! When was the last time you changed your timing and balance belts and/or cam chain and tensioner? New Users please add your car's year and model to your signature line! Never break more than you fix! |
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05-05-2006, 10:59 AM
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Join Date: Oct 2003
Location: CT
Posts: 624
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It was a left CV when mine sounded the way you describe (left goes first, I hear, from exhaust heat). Worse under load, worse in turns.
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1995 993C4 guards red 1988 944S alpine white |
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05-05-2006, 07:18 PM
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1983 Porsche 944 2.5 liter
