Chevrolet Silverado / GMC Sierra. Service manual — part 602

Fig. 90: Blocking Crankshaft From Turning Using Wooden Handle
Courtesy of GENERAL MOTORS CORP.

9. Block the crankshaft from turning using a wooden handle.

10. Install the new camshaft gear bolt.

Tighten: Tighten the new camshaft gear 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. 91: Measuring Camshaft End Play Using J 7872
Courtesy of GENERAL MOTORS CORP.

11. Measure the camshaft end play with J 7872 .

The production value is 0.050-0.114 mm (0.0020-0.0045 in) and service limit is 0.2
mm (0.0079 in).

Replace the camshaft gear or the camshaft thrust plate if measured value exceeds the
service limit.

PISTON, CONNECTING ROD, AND BEARING INSTALLATION

2008 Chevrolet Silverado 1500

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

Tools Required

J 8037 Piston Ring Compressor

J 45059 Angle Meter

Installation

2008 Chevrolet Silverado 1500

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

Fig. 92: View Of Connecting Rod Bearing & Connecting Rod Cap Bearing
Courtesy of GENERAL MOTORS CORP.

1. Select the connecting rod bearing according to the Connecting Rod Bearings Selection

Specifications chart.

2. Position the crankshaft so the connecting rod journal is opposite the piston and connecting

rod assembly being installed.

IMPORTANT: The connecting rod bearing with the notch all the way out

against the edge of the bearing (2) is the connecting rod
bearing. The connecting rod bearing with the notch "in
board" (1) is the connecting rod cap bearing.

2008 Chevrolet Silverado 1500

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