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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1873 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSPOWER STEERING PUMP REPLACEMENT (LY7)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 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Do not remove the drive belt from the vehicle entirely. Only slip it off the power steering pump pulley and set it aside in the engine compartment.
  1. Remove the drive belt from the power steering pump pulley. Refer to Drive Belt Replacement (LY7) or Drive Belt Replacement (LCS) .
  2. Remove as much power steering fluid from the remote power steering fluid reservoir as possible.
  3. Remove the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement .
  4. Place drain pans under the vehicle as needed.
    5. Fig 1: Identifying Power Steering Reservoir Outlet Hose & Clamp
    GM1818200Courtesy of GENERAL MOTORS CORP.
  5. Compress the power steering reservoir outlet hose clamp (1) and disconnect the power steering reservoir outlet hose (2) from the power steering pump.
    6. Fig 2: Identifying Power Steering Gear Inlet Hose
    GM1818210Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the power steering gear inlet hose (1) from the power steering pump.
    7. Fig 3: Identifying Power Steering Pump Bolts
    GM1818216Courtesy of GENERAL MOTORS CORP.
  7. Remove the power steering pump bolts (1).
  8. Remove the power steering pump through the right wheelhouse area.
  9. Transfer the power steering pulley if needed. Refer to Power Steering Pump Pulley Replacement (LY7)  or Power Steering Pump Pulley Replacement (LZ4)  or Power Steering Pump Pulley Replacement (LE5) .
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.