Chevrolet Silverado / GMC Sierra. Service manual — part 645

Fig. 108: View Of Left Exhaust Pipe
Courtesy of GENERAL MOTORS CORP.

1. Install the exhaust pipe with gaskets.

2. Install the exhaust pipe to turbocharger bolts.

IMPORTANT: Position the exhaust pipe gaskets with the tabs as shown.

Failure to do so will cause improper alignment of the gaskets
and result in exhaust leaks.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 109: Exhaust Pipe To Exhaust Manifold Bolt Tightening Sequence - Left Side
Courtesy of GENERAL MOTORS CORP.

3. Install the exhaust pipe to exhaust manifold bolts.

Tighten: Tighten the exhaust pipe bolts to 53 N.m (39 lb ft) in the proper sequence.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 110: View Of Left Exhaust Pipe Heat Shield & Bolts
Courtesy of GENERAL MOTORS CORP.

4. Install the exhaust pipe heat shield.

5. Install the exhaust pipe heat shield bolts.

Tighten: Tighten the exhaust pipe heat shield bolts to 10 N.m (89 lb in).

EXHAUST PIPE INSTALLATION - RIGHT SIDE

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 111: View Of Right Exhaust Pipe
Courtesy of GENERAL MOTORS CORP.

1. Install the exhaust pipe with gaskets.

2. Install the exhaust outlet bracket.

3. Install the exhaust pipe to turbocharger bolts.

IMPORTANT: Position the exhaust pipe gaskets with the tabs as shown.

Failure to do so will cause improper alignment of the gaskets
and result in exhaust leaks.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado