Chevrolet Silverado / GMC Sierra. Service manual — part 1852

Fig. 229: View Of Front & Rear Exhaust Heat Shield & Nuts
Courtesy of GENERAL MOTORS CORP.

5. 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.

6. Install the exhaust heat shield nuts.

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

7. Install the catalytic converter. Refer to Catalytic Converter Replacement (4.3L) or

Catalytic Converter Replacement (4.8L, 5.3L, 6.0L, 6.2L) or Catalytic Converter
Replacement (6.6L).

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

EXHAUST HEAT SHIELD REPLACEMENT - DASH PANEL

Removal Procedure

Fig. 230: View Of Left Exhaust Heat Shield & Nuts
Courtesy of GENERAL MOTORS CORP.

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .

2. Remove the exhaust heat shield nuts.

3. Remove both wheelhouse panels. Refer to Front Wheelhouse Liner Replacement -

Right Side (GMC) or Front Wheelhouse Liner Replacement - Right Side (Chevrolet)

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

and Front Wheelhouse Liner Replacement - Left Side (Chevrolet) or Front
Wheelhouse Liner Replacement - Left Side (GMC) .

4. Remove the exhaust heat shield (1, 3) from the dash panel studs.

5. Remove the heat shield (1, 3) through the respective wheelwell.

Installation Procedure

Fig. 231: View Of Left Exhaust Heat Shield & Nuts
Courtesy of GENERAL MOTORS CORP.

1. Install the heat shields (1, 3) through the respective wheelwell.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

2. Install the exhaust heat shield (1, 3) to the dash panel studs.

3. Install the exhaust heat shield nuts.

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

4. Lower the vehicle.

EXHAUST MANIFOLD HEAT SHIELD REPLACEMENT - RIGHT SIDE (4.3L)

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado