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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1873 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSPOWER STEERING PUMP PULLEY REPLACEMENT (LE5)
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Power Steering Pump Pulley Replacement (LE5)

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Power Steering Pump Pulley Replacement (LE5)
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Power Steering Pump Pulley Replacement (LE5)
GM2056558Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedures

  1. Remove the drive belt. Refer to Drive Belt Replacement (LE5) or Drive Belt Replacement (LAT) .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  3. Remove the power steering pump bolts but do not disconnect the power steering hoses. Refer to Power Steering Pump Replacement (LY7)  or Power Steering Pump Replacement (LZ4)  or Power Steering Pump Replacement (LE5) .
1 Power Steering Pump Pulley

Procedure

  1. Reposition the power steering pump in order to gain full accessibility to the power steering pump pulley.
  2. Use the J 25034-C:  remover to remove the power steering pump pulley.
  3. Use the J 25033-C:  installer to install the power steering pump pulley.
  4. Ensure the axial tolerance of the pulley on the pump shaft is within 0.25 mm (0.010 in).

Special Tools

  • J 25033-C:  Pulley Installer
  • J 25034-C:  Pulley Remover

For equivalent regional tools, refer to Special Tools .
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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.