Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the speaker into the door with the electrical connector located as noted during removal.
    CAUTION: Refer to FASTENER NOTICE .
  2. Install the speaker fasteners (1).

    TightenΒ 

    Tighten the speaker fasteners to 1.8 N.m (16 lb in).

  3. Connect the electrical connector (2).
  4. Install the door trim panel. Refer to TRIM PANEL REPLACEMENT -- SIDE FRONT DOOR .
    Fig 1: Installing Lower Front Speaker
    G01801129Courtesy 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.

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.