Chevrolet Silverado / GMC Sierra. Service manual — part 417

Fig. 1: Identifying Fan Shroud Mounting Brackets & Bolts
Courtesy of GENERAL MOTORS CORP.

2. Remove the 3 engine cooling fan shroud bolts (1).

2008 Chevrolet Silverado 1500

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

Fig. 2: View Of Cooling Fan Shroud
Courtesy of GENERAL MOTORS CORP.

3. Position the engine cooling fan shroud (1) forward to the radiator.

4. Install a 3/8-inch breaker bar into the tensioner opening and rotate the tensioner

counterclockwise.

2008 Chevrolet Silverado 1500

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

5. Remove the belt from the tensioner.

6. Slowly release the tension on the tensioner arm.

Fig. 3: View Of Drive Belt (Single Generator)
Courtesy of GENERAL MOTORS CORP.

7. Remove the drive belt from the drive pulleys, if equipped with a single generator.

2008 Chevrolet Silverado 1500

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

Fig. 4: View Of Drive Belt (Dual Generator)
Courtesy of GENERAL MOTORS CORP.

8. Remove the drive belt from the drive pulleys, if equipped with dual generators.

9. Inspect the drive belt for excessive cracking or any visible damage and replace if necessary.

Installation Procedure

2008 Chevrolet Silverado 1500

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