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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1989STEP VAN P30, 4.8 T, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICAL5.7L V8 - VIN [K]TORQUE SPECIFICATIONS
1989 Chevrolet Step Van P30, 4.8 T, Standard
Torque Specifications
1989 Chevrolet Step Van P30, 4.8 T, StandardSECTION Torque Specifications
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Bellhousing Bolts | 32 (44) | ||||||||
| Camshaft Sprocket Bolts | 21 (28) | ||||||||
| Connecting Rod Nuts | 45 (60) | ||||||||
| Cylinder Head Bolts (1) | 65 (90) | ||||||||
| Exhaust Manifold Bolts (2) | 20 (28) | ||||||||
| Stainless Steel Manifold Bolts | 26 (36) | ||||||||
| Flex Plate-to-Converter | 35 (47) | ||||||||
| Flywheel Bolts | 75 (100) | ||||||||
| Front Mount-to-Chassis | 35 (47) | ||||||||
| Front Mount-to-Engine | 36 (49) | ||||||||
| Front Mount Through Bolt | 85 (115) | ||||||||
| Intake Manifold Bolts | (3) 35 (48) | ||||||||
| Main Bearing Cap Bolts | (4) 80 (110) | ||||||||
| Oil Pump Bolts | 65 (90) | ||||||||
| Rear Mount-to-Crossmember | 36 (49) | ||||||||
| Rear Mount-to-Transmission | 36 (49) | ||||||||
| Vibration Damper Bolt | 70 (95) | ||||||||
| Water Outlet Bolts | 21 (28) | ||||||||
| Water Pump Bolts | 30 (40) | ||||||||
| INCH Lbs. (N.m) | |||||||||
| Front Cover Bolts | 96-113 (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) | ||||||||
| Valve Cover Bolts | 90 (10) | ||||||||
| Valve Cover Studs-to-Head | 15 (2) | ||||||||
|
|||||||||
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
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.