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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 630 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSPOWER STEERING PUMP REPLACEMENT (8.1L)REMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place a drain pan under the vehicle.
  2. Remove the power steering pulley. Refer to Power Steering Pulley Replacement .
  3. Remove the nut (1) and clamp (3) retaining the filler neck (1) to the power steering pump, if equipped.
    Fig 1: Power Steering Pump Filler Neck
    G01666887Courtesy of GENERAL MOTORS CORP.
  4. Remove the bolts (2) from the front of the pump.
  5. Remove the bolts retaining the power steering mounting bracket.
    Fig 2: Power Steering Pump Assembly
    G01666888Courtesy of GENERAL MOTORS CORP.
  6. Remove the bolts from the rear of the pump.
  7. Remove the hoses from the pump.
  8. For vehicles with variable effort steering, disconnect the electrical connector.
  9. Remove the pump from the vehicle.
  10. Remove the rear bracket from the power steering pump.
    Fig 3: Power Steering Pump Rear Bracket
    G01666889Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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.