Installation Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Position the rear bumper onto the vehicle.
- Install the rear trailer hitch to bumper bolts (1), if equipped.
- Install the impact bar nut (1).NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Tighten
- Tighten the impact bar nut (1) to 50 N.m (37 lb ft).
- Install the plate nuts (2).
Tighten
- Tighten the plate nuts (2) to 90 N.m (66 lb ft).
- Install the lower frame rail to bracket bolt (3).
Tighten
- Tighten the lower frame rail to bracket bolt (3) to 100 N.m (74 lb ft).
- Install the side frame rail to bracket bolt (4).
Tighten
- Tighten the-side frame rail to bracket bolt (4) to 40 N.m (30 lb ft).
- Install the bumper step pad. Refer to STEP PAD REPLACEMENT - REAR BUMPER .
- Install the license plate lamp harness.