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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1231 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSPOWER STEERING PUMP REPLACEMENT (3.8L)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 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the accessory drive belt. Refer to DRIVE BELT REPLACEMENT (L36) or DRIVE BELT REPLACEMENT (L67) .
  2. Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE .
    Fig 1: Removing Pressure Steering & Return Hoses From Power Steering Pump
    G01490000Courtesy of GENERAL MOTORS CORP.
  3. Remove the tire and wheel assembly. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION .
  4. Remove the power steering pressure hose from the power steering pump. Refer to Power Steering Pressure Hose Replacement (3.1L)  or Power Steering Pressure Hose Replacement (3.8L)  .
  5. Remove the power steering return hose from the power steering pump. Refer to Power Steering Return Hose Replacement (3.1L)  or Power Steering Return Hose Replacement (3.8L)  .
  6. Remove the electrical connector (4) from the power steering pump (1).
    Fig 2: Removing Electrical Connector From Power Steering Pump
    G01490001Courtesy of GENERAL MOTORS CORP.
  7. Remove the power steering mounting bolts from the power steering pump.
  8. Remove the power steering pump.
  9. Remove the power steering pump reservoir from the power steering pump. Refer to Power Steering Reservoir Replacement - Off Vehicle (Cb Series)  .
  10. Remove the power steering pump pulley from the power steering pump. Refer to Power Steering Pulley Replacement (3.8L)  or Power Steering Pulley Replacement (3.1L)  .
    Fig 3: Removing Power Steering Pump & Mounting Bolts
    G01490002Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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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.