Chevrolet Silverado / GMC Sierra. Manual — part 489
Tighten: Tighten the bolts in a cross-bolt pattern to 9 N.m (80 lb in).
Fig. 261: Locking Flywheel Using J 44643
Courtesy of GENERAL MOTORS CORP.
9. Reinstall J 44643 in the starter opening, if removed. See Special Tools .
10. Install a NEW camshaft gear bolt.
Tighten: Tighten the bolt to 234 N.m (173 lb ft).
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 262: Measuring Camshaft End Play Using J 26900-12 & J 26900-13
Courtesy of GENERAL MOTORS CORP.
11. Using J 26900-12 (1) and J 26900-13 (2) measure the camshaft end play. See Special
Tools .
The production value is 0.050-0.114 mm (0.002-0.0045 in) and service limit is 0.20
mm (0.008 in).
Replace the camshaft gear or the camshaft thrust plate if measured value exceeds the
service limit.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 263: View Of Oil Pump Drive Gear
Courtesy of GENERAL MOTORS CORP.
12. Install the oil pump drive gear and reluctor to the crankshaft.
IMPORTANT: Do not damage the teeth on the crankshaft reluctor.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 264: View Of Oil Pump Driven Gear & Nut
Courtesy of GENERAL MOTORS CORP.
13. Install the oil pump driven gear.
14. Install the oil pump driven gear nut.
Tighten: Tighten the nut to 100 N.m (74 lb ft).
15. Install the engine front cover. Refer to Engine Front Cover Replacement.
16. Install the starter. Refer to Starter Motor Replacement (6.6L) .
17. Install the A/C condenser. Refer to Condenser Replacement .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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