Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Rear Floor Panel Exhaust Heat Shield Nuts & Heat Shield

Courtesy of GENERAL MOTORS COMPANY

CAUTION:

Refer to Fastener Caution .

Position the rear floor panel exhaust heat shield to the studs and install the heat shield nuts and tighten to 9 N.m (80 lb in).

Fig 2: View Of Floor Panel Exhaust Heat Shield Nuts & Heat Shields

Courtesy of GENERAL MOTORS COMPANY

If the vehicle is a Suburban, Yukon XL, Yukon Denali XL, Escalade ESV, Escalade EXT or a Avalanche, position the exhaust heat shield to the studs and install the heat shield nuts, as required and tighten to 9 N.m (80 lb in).

Fig 3: View Of Floor Panel Exhaust Heat Shield Nuts & Heat Shields

Courtesy of GENERAL MOTORS COMPANY

If the vehicle is a Tahoe, Yukon, Yukon Denali, or a Escalade, position the exhaust heat shield to the studs and install the heat shield nuts, as required and tighten to 9 N.m (80 lb in).

Fig 4: View Of Left Front Floor Panel Exhaust Heat Shield Nuts & Heat Shield

Courtesy of GENERAL MOTORS COMPANY

Position the left front floor panel exhaust heat shield to the studs and install the heat shield nuts and tighten to 9 N.m (80 lb in).
Install the muffler assembly, as required. Refer to Exhaust Muffler Replacement (LC9, LMG, LZ1, L20) , Exhaust Muffler Replacement (L96) , Exhaust Muffler Replacement (L94 with MWN) .
Install the catalytic converter, if necessary. Refer to one of the following:
- Catalytic Converter Replacement (with Exhaust Clamp)
- Three-Way Catalytic Converter Replacement