Chevrolet Silverado / GMC Sierra. Service manual — part 1839

Fig. 176: View Of Intermediate Muffler Assembly Insulator
Courtesy of GENERAL MOTORS CORP.

5. Install the insulator (1) to the intermediate muffler assembly hanger.

2008 Chevrolet Silverado 1500

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

Fig. 177: View Of Front & Rear Muffler Assembly Insulators
Courtesy of GENERAL MOTORS CORP.

6. If equipped with a 5.3L, or a 6.0L engine, perform the following steps.

7. Lubricate the 3 insulators where the muffler assembly hangers are inserted in order to ease

installation.

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

9. Install the insulators (1, 2) to the front and rear muffler assembly hangers.

2008 Chevrolet Silverado 1500

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

Fig. 178: View Of Intermediate Muffler Assembly Insulators
Courtesy of GENERAL MOTORS CORP.

10. Install the insulator (1) to the intermediate muffler assembly hanger.

2008 Chevrolet Silverado 1500

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

Fig. 179: View Of Catalytic Converter To Muffler Nuts
Courtesy of GENERAL MOTORS CORP.

11. Install the catalytic converter to exhaust muffler nuts.

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

12. Return the spare tire to the original position.

13. Lower the vehicle.

MUFFLER REPLACEMENT (1500 SERIES W/6.2L)

Removal Procedure

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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