Installation Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the cylinder lines (1) for the following items:
- Cracks
- Dents
- Damage to the threads
Replace the parts as needed.
Lubricate and install the O-rings seals (2) onto the cylinder lines (1).

Fig 1: Installing Cylinder Line Assemblies To Rack And Pinion Gear Assembly
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: You must install the smaller cylinder line into the valve housing (3) first.
Place the smaller cylinder line (2) into the valve housing (3).
IMPORTANT: Hold the smaller cylinder line (2) in place.

Do not torque the cylinder line nut (1).
Place the other end of the cylinder line at the gear tube end (4).

Fig 2: Placing Smaller Cylinder Line Into Valve Housing
Courtesy of GENERAL MOTORS CORP.

Finger tighten the cylinder line nut (1) on the smaller cylinder line.

IMPORTANT: You must install the larger cylinder line into the valve housing (3) first.
Place the larger cylinder line (2) into the valve housing (3).
IMPORTANT: Hold the larger cylinder line (2) in place. Do not torque the cylinder line nut (1).
Place the other end of the cylinder line at the gear tube end (4).
Finger tighten the cylinder line nut (1) on the larger cylinder line.

Fig 3: Placing Larger Cylinder Line Into Valve Housing
Courtesy of GENERAL MOTORS CORP.
Place the cylinder line retaining plate (2) over the cylinder line beads at the valve end.
NOTE: Refer to Fastener Notice in Cautions and Notices.
Install the TORX® screw (1) into the cylinder line retaining plate (2) and tighten using an E 8 socket.
Tighten

Tighten the screw to 15 N.m (12 lb ft).
Tighten both cylinder line nuts (3) at the cylinder end.
Tighten

Tighten the nuts to 31 N.m (23 lb ft).

Fig 4: Installing TORX Screw And Cylinder Line Retaining Plate
Courtesy of GENERAL MOTORS CORP.