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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 992 (Power Steering System) >> Repair Instructions >> Power Steering Pump Replacement (4.3L) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 1: Power Steering Pump Rear Bracket (4.3L)
    GM372963Courtesy of GENERAL MOTORS CORP.
  1. Install the power steering pump rear bracket to the pump.
  2. Install the nuts retaining the bracket to the power steering pump.

    Tighten:  Tighten the nuts to 50 N.m (37 lb ft).

  3. Fig 2: View Of Power Steering Pressure Hose & Power Steering Pump
    GM898604Courtesy of GENERAL MOTORS CORP.
  4. Install the power steering pressure hose (2) to the power steering pump.

    Tighten:  Tighten the fitting to 28 N.m (20 lb ft).

  5. Fig 3: Installing Power Steering Pump Mounting Bolts (4.3L)
    GM288829Courtesy of GENERAL MOTORS CORP.
  6. Install the power steering pump mounting bolts.

    Tighten:  Tighten the power steering mounting bolts and nut to 50 N.m (37 lb ft).

  7. Fig 4: Install Power Steering Rear Mounting Bracket Nut To The Engine Stud (4.3L)
    GM288833Courtesy of GENERAL MOTORS CORP.
  8. Install the power steering rear mounting bracket nut to the engine stud.

    Tighten:  Tighten the power steering rear bracket nut to 50 N.m (37 lb ft).

  9. Fig 5: View Of Power Steering Return Hoses, Clamps & Power Steering Pump
    GM898607Courtesy of GENERAL MOTORS CORP.
  10. Install the power steering return hoses and retaining clamps (3,5) to the power steering pump.
  11. Fig 6: Installing Accessory Mounting Bracket (4.3L)
    GM188295Courtesy of GENERAL MOTORS CORP.
  12. Reposition the accessory mounting bracket and install the bolts and nut.

    Tighten: 

    • Tighten the accessory mounting bracket bolts to 50 N.m (37 lb ft).
    • Tighten the accessory mounting bracket nut to 41 N.m (30 lb ft).

  13. Install the power steering pulley. Refer to Power Steering Pulley Replacement .
  14. Fill and bleed the power steering system. Refer to Bleeding the Power Steering System .