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 MANUALSCHEVROLET1999ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSSTEERING GEAR
1999 Chevrolet Astro Van 2WD V6-4.3L VIN W
Steering Gear
1999 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Steering Gear
Fastener Tightening Specifications:
Intermediate Shaft to Steering Gear Pinch Bolt 41 N.m (30 ft. lbs.)
Steering Gear to Frame Bolts (RWD) 75 N.m (55 ft. lbs.)
Steering Gear to Frame Bolts (AWD) 142 N.m (105 ft. lbs.)
Steering Gear Adjuster Lock Nut (8) 49 N.m (36 ft. lbs.)
Rack Piston Guide Clamp Screw (21) 58 N.m (43 inch lbs.)
Rack Piston Plug (27) 150 N.m (111 ft. lbs.)
Coupling Shield Retainer and Lock Nut (48) 109 N.m (80 ft. lbs.)
Adjustment Tightening Specification:
Pitman Shaft Over-Center Preload (40) * 0.7-1.1 N.m (6-10 inch lbs.)
Steering Gear Adjuster Nut Assembly (65) 30 N.m (22 ft. lbs.)
* The amount shown is in addition to worm shaft thrust bearing preload and valve and seal drag.
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.