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 MANUALSCHEVROLET1988STEP VAN P20, 7.4 W, AUTOMATIC, 475/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICAL6.2L V8 DIESEL - VINS [C,J]TORQUE SPECIFICATIONS
1988 Chevrolet Step Van P20, 7.4 W, Automatic, 475/M40
Torque Specifications
1988 Chevrolet Step Van P20, 7.4 W, Automatic, 475/M40SECTION Torque Specifications
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) | |||
|---|---|---|---|---|
| Bellhousing Bolt | 30 (40) | |||
| Camshaft Gear Bolt | 75 (102) | |||
| Camshaft Thrust Plate Bolt | 17 (23) | |||
| Connecting Rod Nut | 48 (65) | |||
| Crankshaft Pulley Bolt | 30 (40) | |||
| Cylinder Head Bolt | ||||
| Step 1 | 20 (27) | |||
| Step 2 | (1) 50 (68) | |||
| Exhaust Manifold Bolt | 26 (35) | |||
| Flywheel Bolt | 65 (88) | |||
| Front Cover Bolt | 33 (45) | |||
| Glow Plugs | 10 (14) | |||
| Injection Lines | 19 (25) | |||
| Injection Nozzle | 50 (68) | |||
| Injection Pump Retaining Nut | 30 (40) | |||
| Injection Pump Gear Bolt | 20 (26) | |||
| Injection Pump Gear Baffle Bolt | 33 (45) | |||
| Intake Manifold Bolt | 31 (42) | |||
| Lifter Guide Plate Bolt | 18 (26) | |||
| Main Bearing Cap Bolt | ||||
| Inner | 110 (150) | |||
| Outer | 100 (135) | |||
| Oil Pump Drive Clamp Bolt | 31 (42) | |||
| Oil Pump Retaining Bolt | 65 (88) | |||
| Rocker Arm Cover Bolt | 16 (22) | |||
| Rocker Arm Shaft Bolt | 40 (55) | |||
| Thermostat Housing Bolt | 35 (48) | |||
| Vibration Damper Bolt | 200 (270) | |||
| Water Crossover-to-Head Bolt | 31 (42) | |||
| Water Pump-to-Cover Bolt | 31 (42) | |||
| Water Pump Plate-to-Cover Bolt | 16 (22) | |||
| Water Pump Plate-to-Pump Bolt | 16 (22) | |||
| Vacuum Pump Retaining Bolt | 31 (42) | |||
| INCH Lbs. (N.m) | ||||
| Oil Pan Bolt | ||||
| Rear 2 Bolts | 84 (10) | |||
| All Others | 204 (23) | |||
|
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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.