GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 STS 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Power Steering Fluid Cooler Replacement

Power Steering Fluid Cooler Replacement LH2 or LY7 with V92

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the front air deflector. Refer to Front Air Deflector Replacement.
  3. Place a drain pan under the vehicle.

    4. Object Number: 2176981 Size: SH
  4. Remove the power steering cooler bolts (1, 2) from the power steering cooler brackets.

    5. Object Number: 2177005 Size: SH
  5. Loosen the hose clamps and disconnect the power steering cooler hoses (1, 2) from the power steering cooler (3).
  6. Remove the power steering cooler from the vehicle.

Installation Procedure

    Object Number: 2177005 Size: SH
  1. Position the power steering cooler (3) in the vehicle.
  2. Install the power steering cooler hoses (1, 2) to the power steering cooler with the hose clamps.

    3. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2176981 Size: SH
  3. Install the power steering cooler bolts (1, 2) to the power steering cooler brackets and tighten to 9 N·m (80 lb in).
  4. Remove the drain pan from under the vehicle.
  5. Install the front air deflector. Refer to Front Air Deflector Replacement.
  6. Lower the vehicle.
  7. Bleed the power steering system. Refer to Power Steering System Bleeding.

Power Steering Fluid Cooler Replacement LY7 without V92

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the front air deflector. Refer to Front Air Deflector Replacement.
  3. Install a drain pan under the vehicle.

    4. Object Number: 908531 Size: SH
  4. Remove the power steering cooler bolts from the power steering cooler brackets.

    5. Object Number: 874626 Size: SH
  5. Disconnect the power steering lines from the power steering cooler.
  6. Remove the power steering cooler from the vehicle.

Installation Procedure

    Object Number: 874626 Size: SH
  1. Install the power steering cooler to the vehicle.
  2. Connect the power steering lines to the power steering cooler.

    3. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 908531 Size: SH
  3. Install the power steering cooler bolts to the power steering cooler brackets and tighten to 9 N·m (80 lb in).
  4. Remove the drain pan from under the vehicle.
  5. Install the front air deflector. Refer to Front Air Deflector Replacement.
  6. Lower the vehicle.
  7. Bleed the power steering system. Refer to Power Steering System Bleeding.