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Home >> GMC >> 2003 >> Jimmy 2D Utility, Part Time, Automatic >> Repair and Diagnosis >> Steering >> Power Steering System >> Repair Instructions >> Power Steering Pump Replacement (4.3L) >> Installation Procedure

Installation Procedure

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  1. Install the power steering pressure hose to the power steering pump.

    Tighten 

    Tighten the power steering pressure hose to the power steering pump to 25 N.m (18 lb ft).

  2. Install the power steering pump and power steering pressure hose to the vehicle.
  3. Reposition the accessory mounting bracket and tighten the accessory mounting bracket mounting bolts and nut.

    Tighten 

    Tighten the accessory mounting bracket mounting bolts and nut to 50 N.m (37 lb ft).

    Fig 1: Tightening Accessory Mounting Bracket Mounting Bolts & Nuts
    G01467158Courtesy of GENERAL MOTORS CORP.
  4. Install the power steering pump front mounting bolts.

    Tighten 

    Tighten the power steering pump front mounting bolts to 50 N.m (37 lb ft).

    Fig 2: Tightening Power Steering Pump Front Mounting Bolts
    G01467159Courtesy of GENERAL MOTORS CORP.
  5. Install the power steering pump rear mounting bracket nut to the engine stud.
    1. Tighten 
    2. Tighten the power steering pump rear mounting bracket nut to 41 N.m (31 lb ft).
    Fig 3: Tightening Power Steering Pump Rear Mounting Bracket Nut
    G01467160Courtesy of GENERAL MOTORS CORP.
  6. Install the filler neck tube.
  7. Install the filler neck tube mounting bolt.

    Tighten 

    Tighten the filler neck tube mounting bolt to 20 N.m (15 lb ft).

    Fig 4: Filler Neck Tube & Tube Mounting Bolt
    G01467161Courtesy of GENERAL MOTORS CORP.
  8. Connect the lower secondary air injection reactor pipe to the check valve.
  9. Install the lower secondary air injection reactor pipe bracket to the power steering pump bracket stud.
  10. Install the power steering pump mounting bracket retaining nut.

    Tighten 

    Tighten the power steering pump mounting bracket retaining nut to 41 N.m (31 lb ft).

  11. Connect the lower secondary air injection reactor pipe lower connection.
    Fig 5: Connecting Lower Secondary Air Injection Reactor Pipe To Check Valve
    G01467162Courtesy of GENERAL MOTORS CORP.
  12. Connect the power steering cooler hose to the power steering pump.
    Fig 6: Connecting Power Steering Cooler Hose To Power Steering Pump
    G01467163Courtesy of GENERAL MOTORS CORP.
  13. Connect the power steering pressure hose to the power steering gear.

    Tighten 

    Tighten the power steering pressure hose to the power steering gear to 30 N.m (22 lb ft).

  14. Install the power steering pump pulley. Refer to POWER STEERING PULLEY REPLACEMENT .
  15. Install the air cleaner assembly. Refer to AIR CLEANER ASSEMBLY REPLACEMENT in Engine Controls 4.3L.
  16. Remove the drain pan from under the vehicle.
  17. Fill the power steering system.
  18. Bleed the system. Refer to BLEEDING THE POWER STEERING SYSTEM .
  19. Inspect the hoses for clearance away from the frame and other components.
Fig 7: Tightening Power Steering Pressure Hose To Power Steering Gear
G01467164Courtesy of GENERAL MOTORS CORP.
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