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.
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HOMESERVICE MANUALSPONTIAC1987GRAND PRIX BASE, 4.3 Z, 200C/MV9REPAIR AND DIAGNOSISENGINE MECHANICALMECHANICAL4.3L V6 - VIN [Z]TORQUE SPECIFICATIONS
1987 Pontiac Grand Prix Base, 4.3 Z, 200C/MV9
Torque Specifications
1987 Pontiac Grand Prix Base, 4.3 Z, 200C/MV9SECTION Torque Specifications
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) |
|---|---|
| Camshaft Sprocket Bolts | 20 (27) |
| Clutch Pressure Plate Bolts | 30 (41) |
| Connecting Rod Cap Nuts | 45 (61) |
| Cylinder Head Bolts | 65 (88) |
| Exhaust Manifold Bolts | 20 (27) |
| Flywheel-to-Crankshaft Bolts | 60 (81) |
| Intake Manifold Bolts | 35 (47) |
| Main Bearing Cap Bolts | 80 (108) |
| Oil Pump Bolts | 65 (88) |
| Torsional Damper Bolt | 60 (81) |
| Water Pump Bolts | 30 (41) |
| INCH Lbs. (N.m) | |
| Timing Cover Bolts | 80 (9) |
RENDER: 1.0x
NO RELATED
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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.