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Registered
Join Date: Jun 2004
Location: Sacramento, CA
Posts: 185
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Describe to me what a clutch disc in need of replacement feels like on a G50?
Describe to me what a clutch disc in need of replacement feels like on a G50?
Does not slip but it does not feel like I'm getting all the power I use to. I have 75K on the car now. A small amount of chatter in first gear if I do not give enough gas. feels like an inch in the peddle for engagement.
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1988 911 Carrera 1970 911T 1972 911E Roller |
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Not Quite Banned
Join Date: Dec 1999
Location: Ft. Lauderdale
Posts: 1,222
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I had a rubber centered clutch that went on my '88 but the best I remember there were not a lot of symptoms other than engagement was not smooth. That may be the chatter you refer to.
If you say it is not slipping then the clutch disc is doing it's job, maybe the center is deteriorating. Time to begin preparation of the speech to the significant other "Why I will be spending more time and money on by beloved 911..." Good luck -
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Thomas Owen 1972 911T 1972 911S |
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Senior Member
Join Date: Feb 2000
Location: Lacey, WA. USA
Posts: 25,310
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I doubt if your G50 disk has a rubber center. When rubber centers screw up, they come apart and, basically, prevent the clutch from working. The clutch pedal no longer disengages the transmission from the engine.
Take a drive. Get up to highway speed in fifth gear. Leaving your foot on the gas pedal like normal, tap the clutch pedal. Engine rpm will increase of course with the clutch pedal pushed, but when it is released engine speed should return to normal fairly quickly. One or two seconds. If engine speed takes more time to return to normal, your clutch disk may be getting thin.
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Man of Carbon Fiber (stronger than steel) Mocha 1978 911SC. "Coco" |
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Not Quite Banned
Join Date: Dec 1999
Location: Ft. Lauderdale
Posts: 1,222
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Just to confirm - my stock '88 did have a rubber center disc, so I am sure others did as well.
Upon disassembly about 1/3 of the rubber was in the bottom of the housing, but it definately still worked. Good luck -
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Thomas Owen 1972 911T 1972 911S |
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Not Quite Banned
Join Date: Dec 1999
Location: Ft. Lauderdale
Posts: 1,222
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Here is a picture of the disc -
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Thomas Owen 1972 911T 1972 911S |
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Registered
Join Date: Oct 2006
Location: Colorado, USA
Posts: 8,279
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Quote:
At 75,000, you are in the range where the majority of clutch discs on 911s start getting thin (of course, that's a big generality, a clutch disc could last 50 miles or 500,000 miles, depending on how it's used. But on a 911 under normal use, 75K is around average or a bit above). |
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