GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Notice: Do not start the vehicle with any power steering gear inlet or outlet hoses disconnected. When disconnected, plug or cap all openings of components. Failure to do so could result in contamination or loss of power steering fluid and damage to the system.


    Object Number: 395849  Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Control.
  2. Place a drain pan under vehicle.
  3. Disconnect the power steering hoses from the power steering cooler.
  4. Remove the front bumper. Refer to Front Bumper Impact Bar Replacement in Bumpers.
  5. Remove the air intake baffle. Refer to Air Inlet Grille Panel in Body Front End.
  6. Remove the power steering cooler retaining bolts.
  7. Remove the power steering cooler from the radiator support.

Installation Procedure

Notice: The inlet and outlet hoses must not be twisted during installation. Do not bend or distort the inlet or outlet hoses to make installation easier. Failure to follow these procedures could result in component damage.


    Object Number: 395849  Size: SH
  1. Install the power steering cooler to the radiator core support.
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the power steering cooler retaining bolts.
  4. Tighten
    Tighten the power steering cooler retaining bolts to 10 N·m (7 lb ft).

  5. Install the air intake baffle. Refer to Air Inlet Grille Panel in Body Front End.
  6. Connect the power steering cooler hoses to the power steering cooler.
  7. Tighen
    Tighten the power steering cooler hoses to the power steering cooler clamps to 2 N·m (18 lb in).

  8. Remove drain pan from under the vehicle.
  9. Install the air cleaner assembly.
  10. Bleed the power steering system. Refer to Power Steering System Bleeding .