Chevrolet Silverado / GMC Sierra. Service manual — part 649

5. Use the following steps and the proper sequence to tighten the flywheel bolts:

Tighten:

1. Tighten the flywheel bolts to 79 N.m (59 lb ft).

2. Tighten the flywheel bolts to 60 degrees using the J 45059 .

3. Tighten the flywheel bolts again to 60 degrees using the J 45059 .

6. Remove J 44643 . See Special Tools .

CRANKSHAFT BALANCER INSTALLATION

Tools Required

J 44643 Flywheel Hold Tool. See Special Tools .

Installation

2008 Chevrolet Silverado 1500

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

Fig. 123: View Of Crankshaft Balancer & Bolt
Courtesy of GENERAL MOTORS CORP.

1. Lightly lubricate the crankshaft balancer internal hub with engine oil.

2. Install the crankshaft balancer to the crankshaft.

3. Lightly lubricate the crankshaft balancer bolt with engine oil.

4. Install the crankshaft balancer bolt and washer.

Tighten:

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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

1. Tighten the bolt to 100 N.m (74 lb ft) on the first pass.

2. Tighten the bolt an additional 105 degrees.

5. Remove the J 44643 . See Special Tools .

STARTER INSTALLATION

Fig. 124: View Of Starter
Courtesy of GENERAL MOTORS CORP.

1. Install the starter motor to the flywheel housing.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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

2. Install the starter motor bolts.

Tighten: Tighten the starter bolts to 78 N.m (58 lb ft).

ENGINE PRELUBING

Special Tools

J 45299 Engine Preluber

Prelube

Fig. 125: View Of Engine Assembly
Courtesy of GENERAL MOTORS CORP.

2008 Chevrolet Silverado 1500

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