GM Service Manual Online
For 1990-2009 cars only

Problem

Action

Loose power steering pump gear nut

Tighten the gear nut to specifications.

The pump vanes are sticking in the rotor slots.

  1. Free the pump vanes by removing any burrs, varnish, or dirt.
  2. Refer to the appropriate procedure:
  3. • Power Steering Pump Disassemble (LG4 with JE3)
    • Power Steering Pump Disassemble (LG4 with JE4)

The pressure hose is touching other parts of the vehicle.

Adjust the hose position.