Installation Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Front & Rear Floor Panel Exhaust Heat Shield & Nuts

Courtesy of GENERAL MOTORS CORP.

If vehicle has a crew cab, position and install the rear exhaust heat shield (2) and/or the front exhaust heat shield (1) to the underbody studs.

CAUTION: Refer to Fastener Caution .

Install the exhaust heat shield nuts and tighten to 9 N.m (80 lb in).

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

Courtesy of GENERAL MOTORS CORP.

If vehicle has a extended cab, position and install the rear exhaust heat shield (2) and/or the front exhaust heat shield (1) to the underbody studs.
Install the exhaust heat shield nuts and tighten to 9 N.m (80 lb in).

Fig 3: Locating Front & Rear Floor Panel Exhaust Heat Shield & Nuts

Courtesy of GENERAL MOTORS CORP.

If vehicle has a regular cab, position and install the rear exhaust heat shield (2) and/or the front exhaust heat shield (1) to the studs.
Install the exhaust heat shield nuts and tighten to 9 N.m (80 lb in).
Install the catalytic converter. Refer to Catalytic Converter Replacement (With LU3) or Catalytic Converter Replacement (With V8 Engine) or Catalytic Converter Replacement (With LMM) .