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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 575 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSPOWER STEERING PUMP REPLACEMENT (LA1 )INSTALLATION PROCEDURE
1999 GMC Forward Control 5.7 R, Automatic

Installation Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Installation Procedure
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the power steering pump reservoir to the power steering pump. Refer to Power Steering Reservoir Replacement - Off Vehicle (CB Series) .
  2. Install the power steering pump pulley to the power steering pump. Refer to Power Steering Pulley Replacement (LA1)  or Power Steering Pulley Replacement (LY7) .
  3. Uncap the power steering pump and hoses.
    4. Fig 1: Locating Power Steering Pump Mounting Bolts From The Power Steering Pump
    GM468952Courtesy of GENERAL MOTORS CORP.
  4. Position the power steering pump to the vehicle.
    5. NOTE: Refer to Fastener Notice in Cautions and Notices.
  5. Install the power steering pump mounting bolts.

    Tighten:  Tighten the power steering pump mounting bolts to 34 N.m (25 lb ft).

  6. Install the wiring harness to the wiring harness retainer located on the power steering pump reservoir.
    7. Fig 2: Identifying Power Steering Return Hose From The Power Steering Pump
    GM417981Courtesy of GENERAL MOTORS CORP.
  7. Install the power steering return hose to the power steering pump.
    8. Fig 3: View Of Power Steering Pressure Hose From The Power Steering Pump
    GM417974Courtesy of GENERAL MOTORS CORP.
  8. Install the power steering pressure hose to the power steering pump.
  9. Install the accessory drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.4L.
  10. Bleed the power steering system. Refer to Bleeding the Power Steering System .
  11. Inspect the system for leaks. Refer to Power Steering Fluid Leaks .
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.