GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Enclave 🢒 Steering 🢒 Steering Wheel and Column 🢒 Power Steering Cooler Pipe/Hose Replacement

Removal Procedure
  1. Remove the right front frontwards wheelhouse liner. Refer to Front Wheelhouse Liner Replacement .
  2. Place drain pans under the vehicle as needed.

    3. Object Number: 1870063 Size: SH
  3. Loosen the power steering cooler pipe clamp (2) and disconnect the power steering cooler pipe (3) from the power steering fluid cooler (1).

    4. Object Number: 1870064 Size: SH
  4. Remove the power steering gear outlet hose bracket bolt (1).
  5. Remove and discard the power steering gear outlet hose clamp (2).
  6. Disconnect the power steering cooler pipe from the power steering gear outlet hose (4,3).
  7. Remove any plastic retaining clips on the power steering cooler pipe and discard them.
  8. Remove the power steering cooler pipe from the vehicle.

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

    2. Object Number: 1870064 Size: SH
  2. Install a new power steering cooler pipe clamp (2).
  3. Connect the power steering cooler pipe to the power steering gear outlet hose (4,3).

    4. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the power steering gear outlet hose bracket bolt (1).

    5. Tighten
    Tighten the bolt to 8 N·m (71 lb in).


    Object Number: 1870063 Size: SH
  5. Connect the power steering cooler pipe (3) to the power steering fluid cooler (1) and tighten the power steering cooler pipe clamp (2).
  6. Clean any excess fluid from the vehicle and remove the drain pans.
  7. Install the right front frontwards wheelhouse liner. Refer to Front Wheelhouse Liner Replacement .
  8. Fill and bleed the power steering system. Refer to Power Steering System Bleeding .