Chevrolet Silverado / GMC Sierra. Service manual — part 1841

Fig. 184: View Of Muffler Assembly Insulators
Courtesy of GENERAL MOTORS CORP.

11. Lubricate the 5 insulators where the muffler assembly hangers are inserted in order to ease

removal.

12. With the aid of an assistant, remove the insulators (1-3) from the front, intermediate and rear

muffler assembly hangers.

2008 Chevrolet Silverado 1500

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

Fig. 185: View Of Tail Pipe Hanger Insulator
Courtesy of GENERAL MOTORS CORP.

13. Remove the insulator (1) from the tail pipe hanger and remove the muffler assembly.

Installation Procedure

Fig. 186: View Of Tail Pipe Hanger Insulator

2008 Chevrolet Silverado 1500

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

Courtesy of GENERAL MOTORS CORP.

1. Lubricate the 5 insulators where the muffler assembly hangers are inserted in order to ease

installation.

2. With the aid of an assistant, position and install the muffler assembly.

3. Install the insulator (1) to the rear tail pipe hanger.

Fig. 187: View Of Muffler Assembly Insulators
Courtesy of GENERAL MOTORS CORP.

4. Install the insulators (1-3) to the front, intermediate, and rear muffler assembly hangers.

2008 Chevrolet Silverado 1500

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

Fig. 188: View Of Catalytic Converter To Muffler Nuts
Courtesy of GENERAL MOTORS CORP.

5. Install the catalytic converter to muffler nuts.

Tighten: Tighten the nuts to 45 N.m (33 lb ft).

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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