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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) >> Removal Procedure

Removal 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. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 4.2L.
  2. Remove the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 4.2L.
  3. Install a drain pan under the vehicle.
  4. Disconnect the power steering pressure hose (1) from the power steering pump.
    Fig 1: Disconnecting/Connecting Power Steering Hoses
    GM687439Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the power steering cooler hose (2) from the power steering pump.
  6. Disconnect the wiring harness from the wiring loom on the power steering pump.
    7. Fig 2: Removing/Installing Power Steering Pump
    GM687444Courtesy of GENERAL MOTORS CORP.
  7. Remove the power steering pump mounting bolts.
  8. Remove the power steering pump.
  9. Remove the power steering pump pulley. Refer to Power Steering Pulley Replacement (5.3L)  or Power Steering Pulley Replacement (4.2L) .
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