Chevrolet Silverado / GMC Sierra. Service manual — part 1904

2008 ENGINE

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

Silverado, Sierra & Silverado

ON-VEHICLE REPAIR INFORMATION

DRIVE BELT REPLACEMENT - ACCESSORY

Removal Procedure

NOTE:

Data in this article covers ON-VEHICLE repair information.
Information carries over into the next article in this set. For off
vehicle repair information see OFF-VEHICLE REPAIR
INFORMATION .

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

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. 1: View Of Accessory Drive Belt Routing
Courtesy of GENERAL MOTORS CORP.

1. Open the hood.

2. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct

Replacement .

3. Install a breaker bar with hex-head socket to the drive belt tensioner bolt.

4. Rotate the drive belt tensioner clockwise in order to relieve tension on the belt.

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

5. Remove the drive belt (1) from the pulleys and the drive belt tensioner.

6. Slowly release the tension on the drive belt tensioner.

7. Remove the breaker bar and socket and from the drive belt tensioner bolt.

8. Clean and inspect the belt surfaces of all the pulleys.

Installation Procedure

Fig. 2: View Of Accessory Drive Belt Routing

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

Courtesy of GENERAL MOTORS CORP.

1. Route the drive belt (1) around all the pulleys except the idler pulley.

2. Install the breaker bar with hex-head socket to the belt tensioner bolt.

3. Rotate the belt tensioner clockwise in order to relieve the tension on the tensioner.

4. Install the drive belt under the idler pulley.

5. Slowly release the tension on the belt tensioner.

6. Remove the breaker bar and socket from the belt tensioner bolt.

7. Inspect the drive belt for proper installation and alignment.

8. Install the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct

Replacement .

9. Start the vehicle and inspect the drive belt for proper operation.

10. Close the hood.

AIR CONDITIONING COMPRESSOR BELT REPLACEMENT

Removal Procedure

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