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 MANUALSCHEVROLET2002EXPRESS 1/2 TON VAN V6-4.3L VIN WREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSSTEERINGSYSTEM SPECIFICATIONS
2002 Chevrolet Express 1/2 Ton Van V6-4.3L VIN W
System Specifications
2002 Chevrolet Express 1/2 Ton Van V6-4.3L VIN WSECTION System Specifications
| Coupling Shield Retainer and Lock Nut | 80 ft. lbs. | |
| Hydraulic Brake Booster Inlet Hose to the Pump | 20 ft. lbs. | |
| Pitman Shaft Preload Adjustment Lock Nut | 23 ft. lbs. | |
| Power Steering Ball Guide Clamp Screws | 43 ft. lbs. | |
| Power Steering Hose Fittings to the Hydraulic Brake Booster | 20 ft. lbs. | |
| Power Steering Oil Cooler Retaining Bolts (4.3L) | 44 inch lbs. | |
| Power Steering Pump Cooler Retaining Nuts (5.0L, 5.7L, 6.5L, 8.1L) | 21 ft. lbs. | |
| Power Steering Remote Reservoir Retaining Nuts | 62 inch lbs. | |
| Power Steering Gear Inlet Hose to the Steering Pump | 20 ft. lbs. | |
| Power Steering Gear Inlet Hose to the Steering Gear | 20 ft. lbs. | |
| Power Steering Outlet Hose to the Steering Gear | 20 ft. lbs. | |
| Power Steering Pump Accessory Mounting Bracket Bolts | 37 ft. lbs. | |
| Power Steering Pump Accessory Mounting Bracket Nut | 30 ft. lbs. | |
| Power Steering Pump Control Valve Fitting | 55 ft. lbs. | |
| Power Steering Pump Mounting Bolts | 37 ft. lbs. | |
| Power Steering Pump Mounting Studs | 43 ft. lbs. | |
| Rack Piston Plug | 111 ft. lbs. | |
| Steering Gear to Frame Retaining Bolts | 98 ft. lbs. | |
| Steering Gear Pitman Shaft and Housing Cover | 45 ft. lbs. | |
| Steering Pump Inlet Hose to the Steering Pump | 20 ft. lbs. | |
| Steering Pump Brace Retaining Nuts | 37 ft. lbs. | |
| Thrust Bearing Preload Adjustment | 22 ft. lbs. | |
| Power Steering Pump (4.3L,5.0L,5.7L) | High Flow Gallons Per minute | 2.7/3.1 |
| Pressure relief | 1425/1525 | |
| Power Steering Pump (8.1L, 6.5L diesel) | High Flow Gallons Per minute | 3.1/3.5 |
| Pressure relief | 1425/1525 | |
| Steering Linkage (Non-Rack & Pinion) | Connecting Rod to Pitman Arm Nut | 35 ft. lbs. |
| Connecting Rod to Relay Rod Nut | 35 ft. lbs. | |
| Idler Arm to Frame Bolts | 74 ft. lbs. | |
| Idler Arm to Relay Rod Nuts | 35 ft. lbs. | |
| Inner and Outer Tie Rod Adjuster Sleeve | 18 ft. lbs. | |
| Inner Tie Rod to Relay Rod | 35 ft. lbs. | |
| Outer Tie Rod to Steering Knuckle | 35 ft. lbs. | |
| Pitman Arm to Steering Gear Retaining Nut | 184 ft. lbs. |
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.