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 MANUALSCHEVROLET1987CHEVY VAN G30, 5.7 K, 400/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICAL5.7L V8 - VIN [M]TORQUE SPECIFICATIONS
1987 Chevrolet Chevy Van G30, 5.7 K, 400/M40
Torque Specifications
1987 Chevrolet Chevy Van G30, 5.7 K, 400/M40SECTION Torque Specifications
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Bellhousing-to-Engine | 30 (41) | |||||||||
| Camshaft Sprocket Bolts | 17-20 (23-27) | |||||||||
| Connecting Rod Nuts | 45-48 (61-66) | |||||||||
| Cylinder Head Bolts | (1) 65 (88) | |||||||||
| Exhaust Manifold Bolts | (2) 20 (27) | |||||||||
| Flex Plate-to-Converter | 35 (47) | |||||||||
| Flywheel Bolts | 65-75 (90-102) | |||||||||
| Flywheel Housing Bolts | 30-32 (40-43) | |||||||||
| Front Mount-to-Chassis | 35 (47) | |||||||||
| Front Mount-to-Engine | 36 (49) | |||||||||
| Front Mount Through Bolt | 85 (115) | |||||||||
| Intake Manifold | (3) 35 (48) | |||||||||
| Main Bearing Cap Bolts | (4) 80 (109) | |||||||||
| Oil Pump Bolts | 65 (88) | |||||||||
| Rear Mount-to-Crossmember | 36 (49) | |||||||||
| Rear Mount-to-Transmission | 36 (49) | |||||||||
| Rocker Arm Studs | ||||||||||
| Stainless Steel Manifold Bolts | 26 (35) | |||||||||
| Vibration Damper Bolt | 70 (95) | |||||||||
| Water Outlet Bolts | 21-30 (28-41) | |||||||||
| Water Pump Bolts | 30 (41) | |||||||||
| INCH Lbs. (N.m) | ||||||||||
| Front Cover Bolts | 96-100 (10-11) | |||||||||
| Oil Pan-to-Block Bolts | 100 (11) | |||||||||
| Oil Pan-to-Block Nuts | 200 (22) | |||||||||
| Oil Pump Cover Bolts | 80 (9) | |||||||||
| Rear Oil Seal Retainer Nuts | 135 (15) | |||||||||
| Rocker Arm Cover Nuts | 65 (7) | |||||||||
| Rocker Arm Cover Bolts | ||||||||||
| Rocker Arm Cover | ||||||||||
| Studs-to-Head | 15 (2) | |||||||||
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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.