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 MANUALSGMC1992RALLY G1500, 4.3 ZREPAIR AND DIAGNOSIS (SINGLE PAGE)STEERINGMANUAL STEERINGSTEERING SYSTEM - POWEROVERHAULSTEERING GEARREASSEMBLY
1992 GMC Rally G1500, 4.3 Z
Steering Gear: Reassembly
1992 GMC Rally G1500, 4.3 ZSECTION Reassembly
- Lubricate components with power steering fluid before reassembly. Install valve body, stub shaft and worm shaft assembly into housing.
- Place seal protector over stub shaft. Install adjuster plug until it seats against valve body. Remove seal protector from housing. Loosely install adjuster plug lock nut. Insert rack piston (with arbor to retain recirculating balls) into housing. Align worm shaft and rack piston. Turn stub shaft clockwise to engage worm. Maintain pressure on arbor until worm is fully engaged. Remove arbor.
- Install NEW pitman shaft side cover gasket. Thread pitman shaft side cover onto adjuster screw until it bottoms. Back off 1/2 turn. Install pitman shaft so center sector gear tooth meshes with center groove in rack piston. Install side cover bolts.
- Install adjuster screw lock nut halfway onto pitman shaft. Install rack piston end plug in rack piston. Install housing end plug seals, ring, end plug and retainer ring. Adjust worm shaft bearing preload and over-center preload. Refer to WORM BEARING PRELOAD and OVER-CENTER PRELOAD under ADJUSTMENTS.
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.