Steering Gear Cylinder Pipe Assemblies/O-Ring Seals Replacement - Off Vehicle

Steering Gear Cylinder Pipe Assemblies/O-Ring Seals Replacement - Off Vehicle (Magnasteer)

Disassembly Procedure





1. Loosen both cylinder line fittings (1) on the cylinder end of the gear assembly.
2. Loosen both fittings on the cylinder line assemblies (3) at the valve end of the gear assembly.





3. Remove both cylinder line assemblies (1) from the rack and pinion gear assembly (2).





4. Remove the O-ring seals (1) from the valve end of line.
5. Discard the O-ring seals (1).

Assembly Procedure





1. Inspect the cylinder lines (1) for the following items:
^ Cracks
^ Dents
^ Damage to the threads
2. Replace the parts as needed.





3. Important: Carefully align the threads on all of the fittings. Finger tighten the fittings in order to avoid stripping and cross-threading the fittings.

Install the new O-ring seals (1) to the valve end of the cylinder lines.





4. Notice: Refer to Fastener Notice in Service Precautions.

Important: Flush and bleed power steering system hoses, reservoir and cooler lines with power steering fluid GM P/N 1050017, Canadian P/N 992646 (or equivalent meeting GM Specification number 9985010). Refer to Bleeding the Power Steering System.

Install the cylinder line assemblies (1) to the gear assembly (2).
Tighten
^ Tighten the valve end fittings to 17 Nm (13 ft. lbs.).
^ Tighten the cylinder end fittings to 27 Nm (20 ft. lbs.).