SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 909 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSPOWER STEERING PUMP REPLACEMENT (4.3L)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 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. 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 air cleaner assembly. Refer to AIR CLEANER ASSEMBLY REPLACEMENT in Engine Controls 4.3L.
  3. Remove the power steering pump pulley. Refer to POWER STEERING PULLEY REPLACEMENT .
  4. Disconnect the power steering pressure hose from the power steering gear.
    Fig 1: Disconnecting Power Steering Pressure Hose From Power Steering Gear
    G01467151Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the power steering cooler hose from the power steering pump.
    Fig 2: Disconnecting Power Steering Cooler Hose From Power Steering Pump
    G01467152Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the air reactor tube from the lower reacted tube.
  7. Remove the air reacted pipe lower retaining nut.
  8. Disconnect the air reactor pipe from the check valve and remove reacted pipe.
    Fig 3: Disconnecting Air Reacted Pipe From Check Valve
    G01467153Courtesy of GENERAL MOTORS CORP.
  9. Remove the power steering pump filler neck tube mounting bolt.
  10. Remove the power steering pump filler neck tube.
    Fig 4: Power Steering Pump Filler Neck Tube & Tube Mounting Bolt
    G01467154Courtesy of GENERAL MOTORS CORP.
  11. Remove the power steering rear mounting bracket nut from the engine stud.
    Fig 5: Power Steering Rear Mounting Bracket Nut
    G01467155Courtesy of GENERAL MOTORS CORP.
  12. Remove the power steering pump front mounting bolts.
    Fig 6: Power Steering Pump Front Mounting Bolts
    G01467156Courtesy of GENERAL MOTORS CORP.
  13. Loosen the accessory mounting bracket bolts and nuts and pull accessory mounting bracket forward.
  14. Remove the power steering pump and power steering pressure hose from the vehicle.

    Important:  Note the position of the power steering pressure hose to the power steering pump to ensure proper installation to the vehicle.

  15. Remove the power steering pressure hose from the power steering pump.
Fig 7: Accessory Mounting Bracket Bolts & Nuts
G01467157Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.