Chevrolet Silverado / GMC Sierra. Service manual — part 1634

Fig. 82: View Of Camshaft Position Sensor Electrical Connector
Courtesy of GENERAL MOTORS CORP.

3. Connect the CMP sensor electrical connector.

4. Install the fan clutch. Refer to Fan Clutch Replacement (Diesel).

5. Install the drive belt. Refer to Drive Belt Replacement .

ENGINE COOLING FAN REPLACEMENT (NON-HP2)

Removal Procedure

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 83: Cooling Fan & Retainers
Courtesy of GENERAL MOTORS CORP.

1. Remove the cooling fan and shroud. Refer to Cooling Fan and Shroud Replacement

(Non-HP2).

2. Remove the cooling fan blade retainers.

3. Remove the cooling fan blades.

Installation Procedure

IMPORTANT: The electric cooling fan assembly uses a 5-blade fan and a 7-

blade fan. It does not matter which side the fan blades are
installed on. DO NOT install two 5-blade assemblies or two 7-

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 84: Cooling Fan & Retainers
Courtesy of GENERAL MOTORS CORP.

1. Install the cooling fan blades.

2. Install the cooling fan blade retainers.

3. Install the cooling fan and shroud. Refer to Cooling Fan and Shroud Replacement (Non-

HP2).

ENGINE COOLANT FAN MOTOR REPLACEMENT (NON-HP2)

Removal Procedure

blade assemblies, as this would cause a noise issue.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 85: Cooling Fan Motor & Bolts
Courtesy of GENERAL MOTORS CORP.

1. Remove the cooling blade(s). Refer to Engine Cooling Fan Replacement (Non-HP2).

2. Remove the cooling fan motor bolts.

3. Remove the cooling fan motor(s).

Installation Procedure

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado