GM Service Manual Online
For 1990-2009 cars only

Power Steering Cooler Pipe/Hose Replacement GT4

Removal Procedure

    Caution: Refer to Power Steering Hose Disconnected Caution in the Preface section.


    Object Number: 828994  Size: SH
  1. Install drain pan under the vehicle.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Disconnect the power steering cooler hose from the power steering pump.

  4. Object Number: 829002  Size: SH
  5. Disconnect the power steering cooler hose from the power steering gear.
  6. Cap the power steering cooler ends in order to prevent the entry of dirt.

  7. Object Number: 828990  Size: SH
  8. Remove the power steering cooler mounting bolts.
  9. Remove the power steering cooler from the vehicle.

Installation Procedure


    Object Number: 828990  Size: SH
  1. Install the power steering cooler to the vehicle.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the power steering cooler mounting bolts and tighten to 5 N·m (44 lb in).

  4. Object Number: 829002  Size: SH
  5. Connect the power steering cooler hose to the power steering gear and tighten to 33 N·m (24 lb in).

  6. Object Number: 828994  Size: SH
  7. Connect the power steering cooler hose to the power steering pump.
  8. Lower the vehicle.
  9. Bleed the power steering system. Refer to Power Steering System Bleeding.
  10. Remove the drain pan from under the vehicle.

Power Steering Cooler Pipe/Hose Replacement GT5

Removal Procedure

    Caution: Refer to Power Steering Hose Disconnected Caution in the Preface section.


    Object Number: 828991  Size: SH
  1. Install drain pan under the vehicle.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Disconnect the power steering cooler hose from the power steering pump.
  4. Disconnect the power steering cooler hose from the power steering gear.
  5. Cap the power steering pipes and cooler ends in order to prevent the entry of dirt.
  6. Remove the power steering cooler mounting nuts.
  7. Remove the power steering cooler from the vehicle.

Installation Procedure


    Object Number: 828991  Size: SH
  1. Install the power steering cooler to the vehicle.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the power steering cooler mounting nuts and tighten to 28 N·m (21 lb ft).
  4. Connect the power steering cooler hose to the power steering gear and tighten to 33 N·m (24 lb ft).
  5. Connect the power steering cooler hose to the power steering pump.
  6. Lower the vehicle.
  7. Bleed the power steering system. Refer to Power Steering System Bleeding.
  8. Remove the drain pan from under the vehicle.