Colorado 2WD V8-5.3L (2009)
Power Steering Pressure Control Valve: Service and Repair
Power Steering Pump Flow Control Valve Replacement - Off Vehicle
Disassembly Procedure
1. Remove the O-ring union fitting (5) from the hydraulic pump housing assembly (1).
2. Remove the O-ring seal (4) from the O-ring union fitting (5).
3. Remove the control valve assembly (3).
4. Remove the flow control spring (2).
Assembly Procedure
1. Install the flow control spring (2) to the hydraulic pump housing assembly (1).
2. Install the control valve assembly (3).
3. Lubricate the new O-ring seal (4) with power steering fluid.
4. Install the O-ring seal (4) on to the O-ring union fitting (5).
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
5. Install the O-ring union fitting (5) into the hydraulic pump housing assembly (1). Tighten the O-ring union fitting to 75 Nm (55 lb ft).