K 2500 Suburban 4WD V8-6.0L VIN U (2001)
Power Steering Pressure Control Valve: Service and Repair
Variable Assist Actuator
Power Steering Pump Flow Control Valve Actuator Replacement
Disassembly Procedure
1. Remove the negative (-) battery cable.
2. Remove the electrical connector from the variable assist steering actuator (1).
3. Remove pump assembly from the vehicle, if the variable assist steering actuator (1) is not accessible.
4. Remove the retaining ring (2) from the variable assist steering actuator (1).
Important: Note the orientation of the variable assist steering actuator discharge fitting.
5. Remove the variable assist steering actuator (1).
6. Remove the O-ring seal from the variable assist steering actuator.
Assembly Procedure
Important: Note the orientation of the variable assist steering actuator discharge fitting.
1. Lubricate and install the new O-ring seal with power steering fluid.
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the variable assist steering actuator (1) to the pump assembly.
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Tighten the variable assist steering actuator (1) to 62 Nm (46 ft. lbs.).
3. Install the negative (-) battery cable.
Important: If a new variable assist steering actuator (1) is being installed, position the electrical connector before installing the retaining ring (2).
4. Install the electrical connector to the variable assist steering actuator (1).
5. Install the retaining ring (2) to the variable assist steering actuator (1).
