Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the pitman arm on the pitman shaft.
  2. Align the marks made at the removal on the pitman arm and the pitman arm shaft.
    CAUTION: Refer to FASTENER NOTICE .
  3. Install a new pitman arm nut.

    Tighten 

    Tighten the pitman arm nut to 250 N.m (184 lb ft).

  4. Install the power steering gear. Refer to POWER STEERING GEAR REPLACEMENT (NON-RACK AND PINION) .
  5. Install the relay rod (9) to the pitman arm ball stud.
  6. Ensure the seal is on the stud.
    Fig 1: Installing Relay Rod
    G01662281Courtesy of GENERAL MOTORS CORP.
  7. Install the J 29193  or the J 29194  .

    Tighten 

    Tighten the J 29193  or the J 29194  to 54 N.m (40 lb ft) in order to seat the tapers.

  8. Remove the J 29193  or the J 29194  .
  9. Fig 2: Installing & Removing J 29193 Or J 29194
    G01662282Courtesy of GENERAL MOTORS CORP.
  10. Install the new relay rod prevailing torque nut.

    Tighten 

    Tighten the new prevailing torque nut to 62 N.m (46 lb ft).

  11. Install the engine protection shield, if equipped.
  12. Lower the vehicle.
  13. Check the wheel alignment. Refer to SPECIFICATIONS .
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.