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Registered
Join Date: May 2003
Location: Snohomish, WA
Posts: 105
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I'm still getting to know my 924S so I need a little help analysing the noises it is making.
![]() It sounds like I drove over a loose manhole cover every time I switch from brake to throttle. I'm guessing that there is slop in the CV's to make this noise. If so, is this mildly bad (keep driving until I has time and the parts to replace them) or seriously bad (park it until the fix is done)? Similarly, engine braking at 2200 rpm or less results in loud whining noises. Is this normal or something else that needs to be fixed? |
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Registered
Join Date: Aug 2001
Location: Brighton UK since 11/2012
Posts: 3,170
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If the noise is easily heard then it's new clutch time. The cv joints rarely make that much noise. You need to have the vehicle inspected to diagnose what requires fixing right now and what can wait.
There shouldn't be any whining noises under engine braking.
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From November 2012; Precision Porsche Specialist Sussex UK, +44 (0)1825-721-205 2001-2012 Gerber Motorsport Inc. 206-352-6911 07.15.06 1996 Ducati 900SP. Suprisingly enough, it's red 08.16.09 1999 Kawasaki ZRX1100. Green. |
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Registered
Join Date: Feb 2000
Location: Kingsport, TN
Posts: 2,935
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Raise the rear of the car and leave it in gear with engine off. Turn a wheel to see the noise comes from. It should be obvious whether it eminates from front or rear.
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Lawrence 1986 951 2002 SLK32 AMG 1987 328GTS 2011 528i |
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Clang! Clang!
Accelerate, decelerate. It's the clutch. Will not last much longer.
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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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Registered
Join Date: Dec 2001
Location: Cordova, TN
Posts: 1,222
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Listen to these guys. I replaced my rear axels and the noise didnt go away. I ended up replacing the clutch and I could have used the $400 I spent on the axels towards the clutch.
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Roger Hall 81 924 N/A Some people are like Slinkies. Not really good for anything, but you still can't help but smile when you see one tumble down the stairs. |
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$400 could do a quickie clutch complete.
You do the labor. Besides I paid less than $200 for a set of rebuilt axles. Not recently though.
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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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Registered
Join Date: Dec 2001
Location: Cordova, TN
Posts: 1,222
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Its been about a year since I did it. The axels were about $175 each new from Lobro Molly. Porsche wanted like $300 each for the same part. However it would have come in a pretty Porsche box.
Hehehe My mistake never replace parts without testing or inspecting first. Dont be a Roger!!! A little knowledge and ability can be a dangerous thing. As Britwrench says throwing parts at these cars is expensive and frustrating. Lesson learned.
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Roger Hall 81 924 N/A Some people are like Slinkies. Not really good for anything, but you still can't help but smile when you see one tumble down the stairs. Last edited by Roger Hall; 06-25-2003 at 04:46 PM.. |
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