Chevrolet Silverado / GMC Sierra. Manual - part 17
Fig. 12: Drive Belt & Tensioner (W/O A/C)
Courtesy of GENERAL MOTORS CORP.
5. If equipped without A/C, install the belt (1) to the pulleys and the drive belt tensioner.
6. Slowly release the tension on the belt tensioner (2).
7. Remove the breaker bar from the drive belt tensioner.
8. Inspect the drive belt for proper installation and alignment.
DRIVE BELT TENSIONER REPLACEMENT
Removal Procedure
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 13: Drive Belt Tensioner Locating Pin
Courtesy of GENERAL MOTORS CORP.
1. Remove the drive belt. Refer to Drive Belt Replacement.
2. Remove the belt tensioner bolt.
3. Remove the belt tensioner.
Ensure that there is a locating pin (1) on the tensioner.
Installation Procedure
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 14: Drive Belt Tensioner Locating Pin
Courtesy of GENERAL MOTORS CORP.
1. Install the belt tensioner. Position the locating pin (1) on the tensioner into the hole in the
generator bracket.
2. Install the belt tensioner bolt.
Tighten: Tighten the bolt to 50 N.m (37 lb ft).
3. Install the drive belt. Refer to Drive Belt Replacement.
DRIVE BELT IDLER PULLEY REPLACEMENT - RIGHT SIDE
Removal Procedure
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 15: Drive Belt Right Idler Pulley
Courtesy of GENERAL MOTORS CORP.
1. Loosen the idler pulley bolt.
2. Remove the drive belt. Refer to Drive Belt Replacement.
3. Remove the idler pulley.
Installation Procedure
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado