Chevrolet Silverado / GMC Sierra. Service manual — part 478

Fig. 219: View Of Crankshaft Balancer & Bolt
Courtesy of GENERAL MOTORS CORP.

1. Lubricate the crankshaft balancer internal hub with clean engine oil.

2. Install the crankshaft balancer on the crankshaft.

3. Lubricate the crankshaft balancer bolt with clean engine oil.

4. Install the crankshaft balancer bolt and washer.

Tighten: Tighten the bolt to 353 N.m (260 lb ft).

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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

Fig. 220: Locking Flywheel Using J 44643
Courtesy of GENERAL MOTORS CORP.

5. Remove J 44643 . See Special Tools .

2008 Chevrolet Silverado 1500

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

Fig. 221: View Of Starter
Courtesy of GENERAL MOTORS CORP.

6. Position the starter motor.

7. Install the starter motor bolts.

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

8. Install the right wheelhouse panel. Refer to Front Wheelhouse Liner Replacement -

Right Side (GMC) or Front Wheelhouse Liner Replacement - Right Side
(Chevrolet) .

9. Install the lower fan shroud. Refer to Engine Coolant Fan Lower Shroud Replacement

2008 Chevrolet Silverado 1500

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

(Mechanical) .

10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and

Connection (w/Single Battery) or Battery Negative Cable Disconnection and
Connection (w/Auxiliary Battery) or Battery Negative Cable Disconnection and
Connection (w/Dual Batteries) .

CRANKSHAFT FRONT OIL SEAL REPLACEMENT

Tools Required

J 44644 Crankshaft Front Oil Seal Remover. See Special Tools .

J 44645 Crankshaft Front Oil Seal Installer. See Special Tools .

Removal Procedure

2008 Chevrolet Silverado 1500

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