Repair and Diagnosis: Transmission: Clutches: Description
The hydraulic clutch consists of a clutch plate, pressure plate and pilot bearing. Hydraulic clutch has a master cylinder with a reservoir. Clutch pedal moves master cylinder push rod, and a slave (actuator) cylinder at bellhousing moves clutch fork and release bearing. See Fig 1.
Hydraulic clutch system provides automatic clutch adjustment. No adjustment of clutch linkage or pedal position is required.
On "S" and "T" series vehicles, pickup has a coupling between master and actuator while others have the single unit assembly. See Fig 2 and Fig 3.
No service is possible to individual components of master cylinder assembly or actuator cylinder assembly. Complete cylinder units must be installed when servicing hydraulic clutch.
TRANSMISSION APPLICATION
| Vehicle Model | Transmission Model (RPO) |
|---|---|
| Jimmy, Sonoma & "S" & "T" Series | |
| Blazer & Pickup | Borg-Warner T5 77mm 5-Speed (MW1) & NVG 5LM60 85mm 5-Speed O/D (MY2) |