Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the bracket to the vehicle.
  2. Install the bolt to the frame and the bracket.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the washers and the nuts to the bracket.

    Tighten:Β  Tighten the nuts to 90 N.m (70 lb ft).

  4. Fig 1: Bracket, Bolts, Nuts & Washers (15 LD Series)
    GM395143Courtesy of GENERAL MOTORS CORP.
  5. Install the differential carrier assembly. Refer to Differential Carrier Assembly ReplacementΒ .
  6. Lower the vehicle.
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.