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Re: Clutch Slip[200/83] posted by Don Foster on
Monday, 20 September 1999, at 6:15 p.m.
Laurie --
Your experience with slippage in the highest gear is completely consistent with a worn (or misadjusted) clutch.
One function of a transmission is to lower the output speed in lower gears, but at the same time multiplying torque (to the drive wheels). Thus, less torque needs be produced by the engine or transmitted by the clutch in these lower gears. And when you hit 4th or overdrive, the engine 'n clutch runs slowest, but the clutch is burdened with the highest torque requirement.
The best advice for a "good" job is to resurface the flywheel, replace the throwout and pilot bearings, and replace the engine rear main seal (which, if leaking, could cause a chattering 'n slipping clutch).
Wednesday, 22 September 1999, at 12:25 p.m.
I once saw a tech note in the IPD catalog that said if you get clutch slip in an M46 that goes away when the OD is engaged it could be an internal OD problem. Maybe the oneway clutch in the OD? I have no personal experience with this one, however. One way to tell if you are getting slip in OD might be to engage the OD and then push in the clutch and rev the motor (not alot maybe 2500 rpm) to get the motor in its peak torque range and then release the clutch pedal quickly to see if the clutch seems to slip as it catches.
I agree with Don's excellent post but I am wondering why you do not get slip in OD.