GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

  1. Raise the vehicle on the hoist. Refer to Lifting and Jacking the Vehicle .

  2. Object Number: 464801  Size: SH
  3. Disconnect the power steering pressure switch electrical connector (1).
  4. Remove the PSP switch (2) from the power steering pump (3).

Installation Procedure


    Object Number: 464801  Size: SH

    Notice: Replacement components must be the correct part number for the application. Components requiring the use of the thread locking compound, lubricants, corrosion inhibitors, or sealants are identified in the service procedure. Some replacement components may come with these coatings already applied. Do not use these coatings on components unless specified. These coatings can affect the final torque, which may affect the operation of the component. Use the correct torque specification when installing components in order to avoid damage.

  1. Install the PSP switch (2) into the power steering pump (3).
  2. Tighten
    Tighten the PSP switch to 27 N·m (20 lb ft)

  3. Connect the PSP switch electrical connector (1).
  4. Lower the vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Bleed the air from the power steering system. Refer to Power Steering System Bleeding .