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Home >> Isuzu >> 2003 >> Ascender 4.2 S, 4WD >> Repair and Diagnosis >> Steering >> Power Steering System >> Repair Instructions >> Power Steering Pump Replacement (4.2L) >> Installation Procedure

Installation Procedure

    Fig 1: View Of Power Steering Pump Pulley Installer
    GM643361Courtesy of GENERAL MOTORS CORP.
  1. Install the power steering pump pulley. Refer to Power Steering Pulley Replacement (4.2L) .
    Fig 2: Checking Power Steering Pump Pulley Installed Depth
    GM245012Courtesy of GENERAL MOTORS CORP.
  2. Install the power steering pump pulley (1) flush against the end of the power steering pump shaft (2), with an allowable variance of 0.25 mm (0.010 in.)
    3. Fig 3: Removing/Installing Power Steering Pump
    GM687444Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the power steering pump.
  4. Install the power steering pump mounting bolts.

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

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

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

  7. Remove the drain pan from under the vehicle.
  8. Install the drive belt. Refer to DRIVE BELT REPLACEMENT in Engine Mechanical - 4.2L.
  9. Install the air cleaner assembly. Refer to AIR CLEANER ASSEMBLY in Engine Controls - 4.2L
  10. Bleed the power steering system. Refer to Bleeding the Power Steering System .
  11. Inspect the power steering system for leaks and the hoses for clearance away from the frame and other components.
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