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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1456 (Power Steering System) >> Repair Instructions >> Power Steering Pump Replacement (4.2L) >> Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the power steering pump pulley. Refer to Power Steering Pulley Replacement (5.3L)  or Power Steering Pulley Replacement (4.2L) .
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 1: Removing/Installing Power Steering Pump
    GM687444Courtesy of GENERAL MOTORS CORP.
  2. Install the power steering pump.
  3. Install the power steering pump mounting bolts.

    Tighten:  Tighten the power steering pump mounting bolts to 25 N.m (18 lb ft).

    4. Fig 2: Disconnecting/Connecting Power Steering Hoses
    GM687439Courtesy of GENERAL MOTORS CORP.
  4. Install the power steering cooler hose (2) to the power steering pump.
  5. Install the power steering pressure hose (1) to the power steering pump.

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

  6. Remove the drain pan from under the vehicle.
  7. Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 4.2L.
  8. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 4.2L
  9. Bleed the power steering system. Refer to Bleeding the Power Steering System .
  10. Inspect the power steering system for leaks and the hoses for clearance away from the frame and other components.
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