Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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 cylinder at the bell-housing moves the clutch fork and release bearing. See Figure.
| Vehicle Model | Transmission Model (RPO) | |
|---|---|---|
| Commercial Van | NVG 4500 109mm O/D (MT8) | |
| Jimmy, Sonoma, & "S" & "T" Series Blazer & Pickup | Borg-Warner T5 77mm (MW1) & NVG 5LM60 85mm O/D (MY2) | |
| Sierra, Suburban, Yukon, & "C" & "K" Series | ||
| Blazer & Pickup | NVG 5LM60 85mm O/D (MG5) & NVG 4500 109mm O/D (MT8) | |
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.