GM Service Manual Online
For 1990-2009 cars only

Power Steering Hoses Replacement 3.1L

Removal Procedure

  1. Place a drain pan under the vehicle.
  2. Remove the clamps from the power steering return line to the power steering pump.
  3. Remove the rubber section of hose that connects the power steering return line to the power steering pump.
  4. Remove the rubber section of the power steering return line from the vehicle.
  5. Raise and support the vehicle.Refer to Lifting and Jacking the Vehicle in General Information.

  6. Object Number: 515071  Size: SH
  7. Remove the clamps from the power steering return line and the power steering cooler pipe.
  8. Remove the rubber section of hose that connects the power steering return line to the power steering cooler pipe.
  9. Remove the rubber section of the power steering return line from the vehicle.

Installation Procedure


    Object Number: 515071  Size: SH
  1. Position the rubber section of the power steering return line to the vehicle.
  2. Install the rubber section of hose that connects the power steering return line to the power steering cooler pipe.
  3. Install the clamps to the power steering return line and the power steering cooler pipe.
  4. Lower the vehicle.
  5. Position the rubber section of the power steering return line to the vehicle.
  6. Install the rubber section of hose that connects the power steering return line to the power steering pump.
  7. Install the clamps to the rubber section of hose that connects the power steering return line to the power steering pump.
  8. Remove the drain pan from under the vehicle.
  9. Fill the power steering system. Refer to Refilling the Power Steering System .
  10. Bleed the power steering system. Refer to Power Steering System Bleeding .
  11. Inspect the power steering system for leaks. Refer to Power Steering Gear and Pump Leaks .

Power Steering Hoses Replacement 3.8L

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Place a drain pan under the vehicle in order to catch any fluid that may drain.
  3. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

  4. Object Number: 294335  Size: SH
  5. Remove the power steering return hose from the power steering pump.

  6. Object Number: 284303  Size: SH
  7. Remove the power steering return hose from the power steering cooler pipe.
  8. Remove the rubber section of the power steering return line from the vehicle.

Installation Procedure


    Object Number: 284303  Size: SH
  1. Install the rubber section of the power steering return line to the vehicle.
  2. Install the power steering return hose to the power steering cooler pipe.

  3. Object Number: 294335  Size: SH
  4. Install the power steering return hose to the power steering pump.
  5. Remove the drain pan from under the vehicle.
  6. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  7. Lower the vehicle.
  8. Fill the power steering system. Refer to Refilling the Power Steering System .
  9. Bleed the power steering system. Refer to Power Steering System Bleeding .
  10. Inspect the power steering system for leaks. Refer to Power Steering Gear and Pump Leaks .