Chevrolet Silverado / GMC Sierra. Service manual — part 576

4. Replace the crankshaft balancer if any concerns exist.

ENGINE FLYWHEEL CLEANING AND INSPECTION

Fig. 189: View Of Engine Flywheel Inspection Areas
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: In order to maintain the proper component balance, contact

surface taper, and heat transfer, manual transmission

2008 Chevrolet Silverado 1500

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

1. Clean the flywheel assembly.

2. Inspect the flywheel assembly for cracks or excessive wear on the teeth.

3. Replace the flywheel assembly if any concerns exist.

PISTON AND CONNECTING ROD DISASSEMBLE

Tools Required

J 43654 Piston Pin Retainer Remover/Installer. See Special Tools .

Disassemble

flywheels are NOT to be machined.

2008 Chevrolet Silverado 1500

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

Fig. 190: Marking Orientation Of Piston To Connecting Rod
Courtesy of GENERAL MOTORS CORP.

1. Mark orientation of the piston to the connecting rod.

2008 Chevrolet Silverado 1500

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

Fig. 191: View Of Piston Rings & Piston Expander
Courtesy of GENERAL MOTORS CORP.

2. Remove the piston rings using a piston ring expander.

2008 Chevrolet Silverado 1500

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