996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Is it time for a new clutch?

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Old Sep 1, 2007 | 01:48 PM
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Is it time for a new clutch?

Hello guys, my clutch is engaging almost right before the end of the clutch pedal travel, is that a sign that i need a new clutch, there is no slipping symptoms, the car has 550Hp with sports clutch and flywheel.

Do i need to change the clutch? it used to engage a bit earlier before the end of clutch pedal travel.

please advise.
 
Old Sep 1, 2007 | 04:13 PM
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If there is no slipping (at WOT in 3rd or 4th gear), then maybe it just needs an adjustment?
 
Old Sep 1, 2007 | 06:48 PM
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Here is the what the manual says about adjusting the clutch.

Checking clutch free play
The clutch master cylinder has an inner stop. The push rod and the clutch pedal are always pressed against this stop by the boost spring. Due to the automatic hydraulic adjustment of the clutch, it is not possible to determine the clutch play by checking at the clutch pedal.

Checking the pedal end position (pedal return/return force)
Check that the pedal is in end position by pulling at the pedal (without the use of force) towards the driver's seat.
Note
· The pedal must not give way during the process.
· If it gives way, the fault is in the boost spring or in the pedals.
The clutch push rod and the boost spring are not adjustable. The boost spring has 2 functions, namely to
provide pedal force assistance and to return the pedal. The following are some of the points which are
requirements for perfect clutch operation:
· Correct bleeding of the clutch hydraulics.
· No leaks in the hydraulic system.
· Pedal return to the starting position.
· Installation position of the pedals in accordance with the series condition.
 
Old Sep 2, 2007 | 01:41 AM
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can it be adjusted?
 
Old Sep 2, 2007 | 08:58 AM
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Originally Posted by jalmood
can it be adjusted?
Did you read the post above you?...

The clutch push rod and the boost spring are not adjustable.
The only thing you can do is change fluid, bleed the lines...
 
Old Sep 2, 2007 | 09:28 AM
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The beauty of the hydraulic clutch is that it is self adjusting. The hydraulic system is not the old lever/rod/clutch fork of yesteryear and has almost no maintenance. Once the system is set-up at the factory, there should be no set-up until something within the clutch actuating system is changed. As the clutch wears the piston relocates to compensate for the wear. There should be sufficient travel in the design to go all the way to the point of clutch disk replacement. Has anything happened since the you first noticed the clutch travel woes? As wross996TT states bleed the system, you may have air in the system. If not the clutch is well worn.
 

Last edited by porschedude996T; Sep 2, 2007 at 10:08 AM.
Old Sep 2, 2007 | 10:06 AM
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Originally Posted by Alpha
... then maybe it just needs an adjustment?
I obviously know NOTHING about the manual tranny, since I have a Tip!
 
Old Sep 2, 2007 | 01:39 PM
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Thanks,

will try bleeding and see what happens.
 
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