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Clutch Wear -- Stupid Question

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Old 01-30-2006, 05:36 AM
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O.K., this will be a stupid question to some of you. But I'm trying to figure out my clutch wear. Does the clutch wear/ age when the pedal is depressed all the way, sitting at idle? I have always thought it would only wear when it is partially engaged -- so NOT when the pedal's all the way to the floor, and NOT when it's totally disengaged.

I'm just trying to figure out whether it's better to put the car in neutral and release the clutch when standing at a light.

By the way, when I've done some aggressive driving and get out of the car, I can smell a very slight burning smell. Is that brakes or the clutch, or what?

Thanks.
Old 01-30-2006, 05:45 AM
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Originally Posted by tab545' post='231872' date='Jan 30 2006, 09:36 AM
O.K., this will be a stupid question to some of you. But I'm trying to figure out my clutch wear. Does the clutch wear/ age when the pedal is depressed all the way, sitting at idle? I have always thought it would only wear when it is partially engaged -- so NOT when the pedal's all the way to the floor, and NOT when it's totally disengaged.

I'm just trying to figure out whether it's better to put the car in neutral and release the clutch when standing at a light.

By the way, when I've done some aggressive driving and get out of the car, I can smell a very slight burning smell. Is that brakes or the clutch, or what?

Thanks.
Clutch wear comes from partial engagement: That is, if you "pop" the clutch, that is the least wear; if you "ride" the clutch, such as when holding a car in position on a hill with the clutch mostly engaged, that's the worst wear on its surface.

Sitting a light with the clutch fully depressed is no wear.

FWIW, my E39 540i 6 speed at 100k, first started to show slippage during hard acceleration on very cold mornings (zero F), but otherwise, seemed fine.

Just be swift and deliberate in your clutching and you'll be fine. I remember going for a test ride with an expert Jaguar mechanic in my XK-E and feeling as though he was going to put his left foot right through the fire wall, his disengagement was so firm; similarly, his reengagement was equally fast and sure, but not at all jerky...he had that engine speed timed beautifully.

Cheers,
Ray Hull
Old 01-30-2006, 06:00 AM
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Great. That's what I hoped. I don't think I'm bad about it, but it's nice to know what I'm working around.
Old 01-30-2006, 06:38 AM
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There is no clutch wear when sitting idle at the light with the clutch depressed but you are putting more wear on the Throw out bearing and some of its springs. Its best to just put the car in neutral and let the clutch up at the stop light.
Old 01-30-2006, 07:27 AM
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Originally Posted by EBMCS03' post='231903' date='Jan 30 2006, 10:38 AM
There is no clutch wear when sitting idle at the light with the clutch depressed but you are putting more wear on the Throw out bearing and some of its springs. Its best to just put the car in neutral and let the clutch up at the stop light.
Exactly
Old 01-30-2006, 07:55 AM
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My Ride: 2003 X5 3.0----->gone 2004 Porsche Cayenne S : Gemballa front and back bodykit, fabspeed bypass pipes, Gemballa exhaust pipes, full option, 20" factory sport design rims------>gone 2005 545i 6-spd manual---->de-badged, CDV removal, Autosolutions short shift kit, resonator removal, premium package, PDC, xenon, almost full options, hardwire V1 install ....looking for mods... 2007 550i 6-spd----> Premium package, sport package, Logic7, heated everything, Rogue Engineering SSK, CDV removal, hardwire V1 install, aFe cold air intake, Custom Magnaflow exhaust....
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I also noticed that now I only have to press really lightly on the clutch pedal to change gears. Does that also mean that my clutch is on the verge of wearing out??
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