Chevrolet Silverado / GMC Sierra. Service manual — part 2051

Fig. 78: Locating Tensioner Pin
Courtesy of GENERAL MOTORS CORP.

11. Remove the EN 46330 . See Special Tools .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 79: Identifying Camshaft Sprocket Bolt Tightening Sequence
Courtesy of GENERAL MOTORS CORP.

12. Tighten the camshaft sprocket bolt.

Tighten:

1. Tighten the bolt a first pass to 90 N.m (66 lb ft).

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

2. Tighten the bolt a final pass to 40 degrees using J 45059 .

Fig. 80: View Of Special Tool & Bolts
Courtesy of GENERAL MOTORS CORP.

13. Remove the J 42386-A (1) and bolts. See Special Tools .

14. Install the starter motor. Refer to Starter Motor Replacement (4.3L) or Starter Motor

Replacement (4.8L, 5.3L, 6.0L, and 6.2L) or Starter Motor Replacement (6.6L) .

15. Install the engine front cover. Refer to Engine Front Cover Replacement (LC9, LH6,

LMG, LY2 and LY5) or Engine Front Cover Replacement (LY6, L76 and L92) .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

16. Install the valve lifters. Refer to Valve Lifter Replacement (L92 - First Design) or Valve

Lifter Replacement (L92 - Second Design) or Valve Lifter Replacement (LY2 and
LY6) or Valve Lifter Replacement (LH6, LMG, LY5 and L76) .

17. Install the radiator support. Refer to Radiator Support Replacement .

CAMSHAFT REPLACEMENT (LY6, L76 AND L92)

Tools Required

EN 46330 Timing Belt Tensioner Retaining Pin. See Special Tools .

J 42386-A Flywheel Holding Tool. See Special Tools .

J 45059 Angle Meter

Removal Procedure

IMPORTANT: If camshaft replacement is required, the valve lifters must also be

replaced.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado