Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Drive Belt Routing (Dual Generator)

Courtesy of GENERAL MOTORS CORP.

Install the drive belt, if equipped with dual generators.
Route the drive belt over and/or around all the drive pulleys except for the tensioner.

Fig 2: Drive Belt Routing (Single Generator)

Courtesy of GENERAL MOTORS CORP.

Install the drive belt, if equipped with a single generator.
Route the drive belt over and/or around all the drive pulleys except for the tensioner.
Install a 3/8 inch breaker bar into the tensioner opening and rotate the tensioner counterclockwise.
Install the belt over and/or around the tensioner.
Slowly release the tension on the tensioner arm.
Inspect the drive belt for proper installation on and/or around all pulleys.

Fig 3: Identifying Fan Shroud Mounting Brackets & Bolts

Courtesy of GENERAL MOTORS CORP.

Position the engine cooling fan shroud on the 3 mounting brackets (1).

NOTE: Refer to Fastener Notice .

Install the bolts. Loosely tighten the top mounting bolt at the oil filler neck.

Fig 4: View Of Cooling Fan Shroud

Courtesy of GENERAL MOTORS CORP.

Center the engine cooling fan shroud to the fan blade in 3 places (1).

IMPORTANT: Maintain a 6 mm (0.25 in) minimum clearance at all 3 places.

Fully tighten the 3 engine cooling fan shroud bolts (1).
Tighten: Tighten the bolts to 8 N.m (71 lb in).
Install the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement (Mechanical) or Engine Coolant Fan Upper Shroud Replacement (Automatic Transmission - Diesel) .