GM Service Manual Online
For 1990-2009 cars only

Power Steering Return Hose Replacement 3.4L

Removal Procedure

  1. Place a drain pan under the vehicle in order to catch any draining power steering fluid.

  2. Object Number: 454268  Size: SH
  3. Remove the power steering return hose from the power steering pump.
  4. Remove the power steering return hose from the power steering lines retaining bracket on the engine.
  5. Remove the power steering return hose from the power steering cooler pipe.
  6. Remove the power steering return hose from the vehicle.

Installation Procedure

  1. Install the power steering return hose.
  2. Install the power steering return hose to the power steering cooler pipe.

  3. Object Number: 454268  Size: SH
  4. Install the power steering return hose to the power steering lines retaining bracket on the engine.
  5. Install the power steering return hose to the power steering pump.
  6. Fill the power steering system. Refer to Checking and Adding Power Steering Fluid .
  7. Bleed the power steering system. Refer to Power Steering System Bleeding .
  8. Inspect the power steering system for leaks. Refer to Power Steering Fluid Leaks .
  9. Remove the drain pan from under the vehicle.

Power Steering Return Hose Replacement 3.8L

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

  3. Object Number: 812960  Size: SH
  4. Remove the power steering return hose (2) from the power steering gear (1).
  5. Remove the return hose (2) from the clips on the power steering gear.

  6. Object Number: 812958  Size: SH
  7. Remove the return hose (1) from the power steering pump.
  8. Remove the return hose (1) from the hose retainers (3) on the cradle (4).
  9. Disconnect the clips and the electrical harnesses from the return hose (1).
  10. Remove the return hose (1) from the vehicle.

Installation Procedure


    Object Number: 812958  Size: SH
  1. Install the return hose (1) to the vehicle.
  2. Connect the clips and the electrical harnesses to the return hose (1).
  3. Install the return hose (1) to the hose retainers (3) on the cradle (4).
  4. Install the return hose (1) to the power steering pump.

  5. Object Number: 812960  Size: SH
  6. Install the return hose (2) to the clips on the power steering gear.
  7. 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.

  8. Install the return hose (1) to the power steering gear (1).
  9. Tighten
    Tighten the fitting to 27 N·m (20 lb ft).

  10. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  11. Lower the vehicle.
  12. Fill the power steering fluid reservoir. Refer to Checking and Adding Power Steering Fluid .
  13. Bleed the power steering system. Refer to Power Steering System Bleeding .
  14. Inspect the power steering system for leaks. Refer to Power Steering Fluid Leaks .