Chevrolet Silverado / GMC Sierra. Manual - part 565
Fig. 147: View Of Piston Assembly
Courtesy of GENERAL MOTORS CORP.
9. Push piston assembly out of cylinder.
10. Reassemble the connecting rod bearing, cap, and bolts upon removal.
CAMSHAFT REMOVAL
Tools Required
J 7872 Dial Indicator Set
Removal
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 148: Measuring Camshaft End Play Using J 7872
Courtesy of GENERAL MOTORS CORP.
1. Measure the camshaft end play using J 7872 .
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 or the camshaft thrust plate if the 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. 149: Blocking Crankshaft From Turning Using Wooden Handle
Courtesy of GENERAL MOTORS CORP.
2. Block the crankshaft from turning with a wooden handle.
3. Loosen the camshaft gear bolt and leave the bolt finger tight.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 150: View Of Camshaft Exciter Ring, Bolts & Thrust Plate Bolts
Courtesy of GENERAL MOTORS CORP.
4. Remove the camshaft exciter ring bolts.
5. Remove the camshaft exciter ring.
IMPORTANT: The two piece cam gear must be bolted together to prevent
the spring tension from unloading upon removal.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado