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Old 01-05-2019, 04:52 PM   #2
fdryer
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Join Date: Jan 2006
Location: NYC
Posts: 43,238
 

2003 L-Series 3.0L Sedan
Default Re: Manual Transmission, can't put car in gear.

I seriously doubt the brake master cylinder is a dual purpose unit serving brakes and clutch. Every manual has its own separate clutch master cylinder and slave unit. Some vehicles share brake fluid with the brake master cylinder supplying fluid to a separate clutch master cylinder via a small diameter hose. Look carefully beyond the brake master cylinder for the clutch master cylinder. You'll find it and probably find it topped off. Without more info, you may have a worn out clutch and presume low fluid is the problem. Barring any major wear or leaks from your clutch master cylinder and slave unit, clutches wear out with only a few indications. Inability to shift with engine running but can with engine off and rpm zooming while the speedometer doesn't increment. A slipping clutch is another sign of a worn one. A worn clutch also means worn pressure plate fingers. Combined together, the clutch master/slave unit cannot disengage clutch from flywheel with the engine running because everything is turning inside the xmission and cannot allow shifting until the clutch is fully disengaged. With engine off, the xmission isn't turning so shifts can occur.

How many miles on this car? All city, combined city and highway or all highway driving? Its been said that city driving takes its toll on clutches due to a higher number of shifts compared to all highway driving with fewer shifts so mileage and shift experience along with engine/xmission maintenance determines how long a clutch lasts.

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