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Document ID# 1546004
2000 Chevrolet Corvette
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Info - Clutch Pressure Plate Wear Indicator Adjustment #04-07-31-005 - (Aug 19, 2004)
Clutch Pressure Plate Wear Indicator Adjustment
2004 Cadillac CTS, CTS-V
1997-2004 Chevrolet Corvette
1998-2002 Chevrolet Camaro
1998-2002 Pontiac Firebird
2004 Pontiac GTO
with Manual Transmission and LUK Clutch
During the shipment of a service clutch assembly, it is possible for the pressure plate wear indicator adjuster to shift from the "new" position. If the clutch adjusting ring steps are not adjusted fully out, improper clutch operation may result. The clutch may not release completely or may bind when pedal pressure is applied causing the hydraulic line to blow off.
Dealer technicians need to be reminded that a thorough inspection of a service clutch is necessary prior to installation. The wear indicator needs to be in the "new" position with the adjusting ring steps fully out.
If a readjustment is required, it must be accomplished Off-Vehicle by mounting the pressure plate in a press. SI Document ID #1338467 describes the proper procedure for repositioning the wear indicator.
For Corvette models, this procedure can also be accomplished On-Vehicle (with the aid of an assistant) by removing the flywheel inspection cover. Refer to SI Document ID #775600.
Important
The correct torque specification for the six clutch pressure plate to flywheel bolts is 70 N·m (51 lb ft).
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.
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Document ID# 1546004
2000 Chevrolet Corvette
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