Installation Procedure

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

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

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

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

Courtesy of GENERAL MOTORS CORP.

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.
Tighten: Tighten the nuts to 9 N.m (80 lb in).

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

Courtesy of GENERAL MOTORS CORP.

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.
Tighten: Tighten the nuts 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 CORP.

Position the left front floor panel exhaust heat shield to the studs and install the heat shield nuts.
Tighten: Tighten the nuts to 9 N.m (80 lb in).
Install the muffler assembly, as required. Refer to Muffler Replacement (1500 - w/RPO L92) or Muffler Replacement (1500 - w/RPOs LC9/LMG/LY5/L76) or Muffler Replacement (1500 - w/RPOs LMG/LY2/LY5) or Muffler Replacement (2500) .
Install the catalytic converter, if necessary. Refer to one of the following: