GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2002 🢒 Impala 🢒 Steering 🢒 Power Steering System 🢒 Power Steering Cooler Pipe/Hose Replacement

Removal Procedure
  1. Remove the engine mount struts from the engine. Refer to Engine Mount Strut Replacement - Left Side and Engine Mount Strut Replacement - Right Side in Engine Mechanical-3.4L.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tire and Wheels.
  4. Place a drain pan under the vehicle.

    5. Object Number: 284307 Size: SH

    Notice: The front wheels of the vehicle must be maintained in the straight ahead position and the steering column must be in the LOCK position before disconnecting the steering column or intermediate shaft. Failure to follow these procedures will cause improper alignment of some components during installation and result in damage to the SIR coil assembly.

  5. Remove the intermediate steering shaft from the power steering gear stub shaft. Refer to Intermediate Steering Shaft Replacement in Steering Wheel and Column-Tilt.
  6. Use a utility stand in order to support the frame.
  7. Remove the frame bolts from the rear of the frame. Refer to Frame Replacement in Frame and Underbody.

    8. Notice: Do not lower the rear of the frame too far as damage to the engine components nearest to the cowl may result.

  8. Use the utility stand in order to lower the rear of the frame to gain access.
  9. Remove the power steering return hose from the power steering pump to the power steering cooler pipe.
  10. Remove the power steering return line from the power steering gear. Refer to Power Steering Return Hose Replacement .
  11. Remove the power steering return line from the clamp on the power steering gear.
  12. Remove the power steering cooler pipe retaining clips.
  13. Remove the power steering cooler pipe from the vehicle.

Installation Procedure
  1. Install the power steering cooler pipe to the vehicle.

    2. Object Number: 284307 Size: SH
  2. Install the power steering cooler pipe retaining clips.
  3. Install the power steering return line to the power steering gear. Refer to Power Steering Return Hose Replacement .
  4. Install the power steering return line to the clamp on the power steering gear.
  5. Install the power steering return hose from the power steering pump to the power steering cooler pipe.
  6. Use the utility stand in order to raise the frame.
  7. Install NEW frame bolts to the rear of the frame. Refer to Frame Replacement in Frame and Underbody.
  8. Install the intermediate steering shaft to the power steering gear stub shaft. Refer to Intermediate Steering Shaft Replacement in Steering Wheel and Column.
  9. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tire and Wheels.
  10. Remove the drain pan from under the vehicle.
  11. Lower the vehicle.
  12. Install the engine mount struts to the engine. Refer to Engine Mount Strut Replacement - Left Side and Engine Mount Strut Replacement - Right Side in Engine Mechanical-3.4L.
  13. Fill the power steering fluid reservoir. Refer to Checking and Adding Power Steering Fluid .
  14. Bleed the power steering system. Refer to Power Steering System Bleeding .
  15. Inspect the power steering system for leaks. Refer to Power Steering Fluid Leaks .