Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 932 (BUMPER SYSTEM)REPAIR INSTRUCTIONSINSTALLATION PROCEDURE

2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation 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.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.

Install the bumper impact bar to the vehicle as follows:
1. Position the bumper impact bar on the bumper brackets so that the holes in the impact bar are aligned with the bracket holes.
2. Install 2 bolt plates and 4 nuts on top of the impact bar.
3. Install 2 bolt and nuts through the bottom of the impact bar.
  Tighten
  
  Tighten the rear bumper impact bar nuts to 90 N.m (66 lb ft).
Install the license plate to the bumper.
Install the license plate lamps. Refer to LICENSE LAMP REPLACEMENT (W/ STEP BUMPER) or LICENSE LAMP REPLACEMENT (W/O STEP BUMPER) or LICENSE LAMP REPLACEMENT (FILLER PANEL) in Lighting Systems.
Install the step pad to the bumper. Refer to STEP PAD REPLACEMENT - REAR BUMPER (PICKUP) or STEP PAD REPLACEMENT - REAR BUMPER (UTILITY) .

Fig 1: Installing Nuts & Bolts Retaining Bumper Impact Bar To Bumper Brackets
Courtesy 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 Tools Free Quote Check Quote 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.