GM Service Manual Online
For 1990-2009 cars only

Power Steering Cooler Pipe/Hose Replacement FWD

Removal Procedure

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

  2. Object Number: 850379  Size: SH
  3. Remove the bolt (2) from the power steering fluid cooler pipe (5).
  4. Remove the bolt (4) from the cooler pipe.
  5. Important: A bracket retains the power steering gear inlet hose to the power steering gear outlet hose.

  6. Loosen the clamp (3) that retains the power steering cooler pipe to the end of the power steering gear outlet hose.
  7. Notice: Refer to Power Steering Hose Disconnected Notice in the Preface section.

  8. Remove the gear outlet hose from the cooler pipe.
  9. Loosen the clamp (6) that retains the cooler pipe to the power steering fluid reservoir.
  10. Remove the cooler pipe from the reservoir.

Installation Procedure

    Notice: Refer to Installing Hoses without Twists or Bends Notice in the Preface section.


    Object Number: 850379  Size: SH
  1. Install the power steering fluid cooler pipe (5) to the power steering fluid reservoir.
  2. Install the cooler pipe to the end of the steering gear outlet hose.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the 2 bolts (2, 4).
  5. Tighten
    Tighten the bolts to 7.8 N·m (69.04 lb in).

  6. Install the 2 hose clamps (3, 6).
  7. Notice: Refer to Using Proper Power Steering Fluid Notice in the Preface section.

  8. Fill the power steering fluid reservoir. Refer to Checking and Adding Power Steering Fluid .
  9. Notice: Refer to Air in the Power Steering System Notice in the Preface section.

  10. Bleed the power steering system. Refer to Power Steering System Bleeding .

Power Steering Cooler Pipe/Hose Replacement AWD

Removal Procedure

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

  2. Object Number: 850382  Size: SH
  3. Remove the bolt (7) from the power steering fluid cooler pipe (6).
  4. Remove the bolt (3) from the cooler pipe.
  5. Remove the bolt (5) from the cooler pipe.
  6. Loosen the clamp (4) that retains the power steering cooler pipe to the end of the power steering gear outlet hose.
  7. Notice: Refer to Power Steering Hose Disconnected Notice in the Preface section.

  8. Remove the gear outlet hose from the cooler pipe.
  9. Loosen the clamp (1) that retains the cooler pipe to the power steering fluid reservoir.
  10. Remove the cooler pipe from the reservoir.

Installation Procedure

    Notice: Refer to Installing Hoses without Twists or Bends Notice in the Preface section.


    Object Number: 850382  Size: SH
  1. Install the power steering fluid cooler pipe (6) to the power steering fluid reservoir.
  2. Install the cooler pipe to the end of the steering gear outlet hose.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the 3 bolts (3,5,7).
  5. Tighten
    Tighten the bolts to 7.8 N·m (69.04 lb in).

  6. Install the 2 hose clamps (1,4).
  7. Notice: Refer to Using Proper Power Steering Fluid Notice in the Preface section.

  8. Fill the power steering fluid reservoir. Refer to Checking and Adding Power Steering Fluid .
  9. Notice: Refer to Air in the Power Steering System Notice in the Preface section.

  10. Bleed the power steering system. Refer to Power Steering System Bleeding .