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Repair and Diagnosis: Transmission: Clutches: Description

A hydraulically actuated clutch is used on all models. This system consists of a reservoir, clutch master cylinder and slave cylinder. The slave cylinder piston is connected to the clutch fork. When the clutch pedal is pressed down, hydraulic fluid under pressure actuates the slave cylinder. The clutch fork then moves the release bearing into contact with the clutch cover release fingers to disengage clutch.

The hydraulic clutch system locates the clutch pedal height and provides automatic clutch adjustment. No adjustment is ever required of clutch linkage or pedal position. See Fig 1 .

Fig 1: Clutch Hydraulic System Components
G26488Courtesy of GENERAL MOTORS CORP.