Chevrolet Silverado / GMC Sierra. Service manual — part 196

7. Install camshaft sprocket bolts.

Tighten: Tighten the camshaft sprocket bolts to 25 N.m (18 lb ft).

Fig. 655: View Of Timing Chain Tensioner Bracket, Bolt & Shoe
Courtesy of GENERAL MOTORS CORP.

8. Install the timing chain tensioner bracket and bolt (227 and 228).

Tighten: Tighten the timing chain tensioner bracket bolt to 12 N.m (106 lb in).

the camshaft. To do so may dislodge the expansion cup plug,
camshaft rear bearing hole.

IMPORTANT: The timing chain tensioner shoe snaps onto the tensioner

bracket. Ensure that the shoe is fully seated before
proceeding.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

9. Install the timing chain tensioner shoe (229) using an upwards motion.

Fig. 656: Installing Crankshaft Position Sensor Reluctor Ring
Courtesy of GENERAL MOTORS CORP.

10. Install the crankshaft position sensor reluctor ring.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

1. Align the keyway on the crankshaft position sensor reluctor ring with the crankshaft

balancer key in the crankshaft.

2. Use the J 5590 in order to push the crankshaft position sensor reluctor ring onto the

crankshaft until completely seated against the crankshaft sprocket. See Special Tools.

ENGINE FRONT COVER INSTALLATION

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 657: Engine Front Cover
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Once the composite engine front cover is removed DO NOT

reinstall the engine front cover. Always install a NEW engine

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado