Disassembly Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

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

Fig 1: Cylinder Line Assemblies & Rack & Pinion Gear Assembly
Courtesy of GENERAL MOTORS CORP.
Remove both cylinder line assemblies (1) from the rack and pinion gear assembly (2).
Remove the O-ring seals (1) from the valve end of line.

Fig 2: View Of O-Ring Seals At Valve End Of Lines (Quiet Valve)
Courtesy of GENERAL MOTORS CORP.
Discard the O-ring seals (1).