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tried bleeding first? Posted by JimBlake [Email] ![]() ![]() ![]() In Reply to: Re: '92 900S Clutch Problem - Knee bolster?, Eric-MN, Wed, 6 Nov 2002 10:33:51 Members do not see ads below this line. - Help Keep This Site Online - Signup |
I think this is still consistant with air in the lines. If you pump it up & it doesn't engage itself by leaking down when you hold the pedal down, then its not bypassing the master piston seal.
When you pump it up you are compressing the air bubbles, making them smaller. Then the clutch works. While the car is parked the air has time to expand again. It also has somewhere to go (pushes fluid back into the reservoir). I'm gonna guess that when you drove it, you didn't go very long without touching the clutch. Just shifting while you drive pretty much keeps it 'pumped up'.
You still have the question of how the air got in there in the first place. Have you ever replaced the brake fluid? Or the brake master cylinder? So maybe after all you'll have to replace the master cylinder, but I'd try bleeding it first. Its not hard to do.
The important difference vs. the other guy (DET?) is that his clutch engages itself while he sits holding the pedal down. That is the classic symptom of MC leakdown, & it doesn't sound like yours does that.
posted by 131.184.14...
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