GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Place drain pan(s) under vehicle steering gear and pump.
  2. Raise and suitably support vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  3. Object Number: 354423  Size: SH
  4. Remove power steering gear inlet (3) and outlet (2) hoses from steering gear (1).
  5. Lower vehicle.
  6. Remove the serpentine belt.
  7. Remove the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement .

  8. Object Number: 354420  Size: SH
  9. Remove inlet hose fitting (3) from pump (1) (L36 shown, LS1 similar).

  10. Object Number: 354416  Size: MH

    Important: If vehicle is equipped with a power steering cooler (LS1 only), outlet hose and cooler hose (if replacing) must be removed from the power steering cooler as the cooler is installed in the outlet hose (return back to reservoir).

  11. Remove outlet hose (4) from reservoir ( LS1 with cooler shown, remote-mount reservoir on L36).

Installation Procedure


    Object Number: 354416  Size: MH

    Important: Inlet and outlet hoses must be oriented so as adequate clearance is maintained between both hoses and surrounding components to prevent chafing. Use minimum clearance of 12 mm (.47 inch). The outlet hose must not be twisted during installation. Do not bend or distort inlet and outlet hoses to make installation easier. Failure to follow these procedures could result in component damage.

  1. Install outlet hose (4) to reservoir ( LS1 with cooler shown, remote-mount reservoir on L36). (Pump mounted on LS1, body mounted on L36)

  2. Object Number: 354420  Size: SH
  3. Install inlet hose fitting (3) to pump (1) (L36 shown, LS1 similar).
  4. Install the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement .
  5. Install the serpentine belt.
  6. Raise and suitably support vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  7. Object Number: 354423  Size: SH
  8. Install inlet and outlet hoses (2&3) to steering gear (1).
  9. Tighten
    Inlet hose (3) to 28N·m (21 lb. ft.).

    Outlet hose (2) to 28N·m (21 lb. ft.).

  10. Lower vehicle.
  11. Remove drain pan.
  12. Refill and bleed power steering system. Refer to Power Steering System Bleeding in Power Steering.