Chevrolet Silverado / GMC Sierra. Service manual — part 1673

Fig. 234: View Of TCM Cover & Bolts
Courtesy of GENERAL MOTORS CORP.

7. Install the TCM cover to the fan shroud.

8. Install the TCM cover bolts.

Tighten: Tighten the bolts to 9 N.m (80 lb in).

2008 Chevrolet Silverado 1500

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

Fig. 235: View Of PCM Engine Harness Clip
Courtesy of GENERAL MOTORS CORP.

9. Install the engine harness clip to the PCM cover.

10. Install the A/C line retainer to the fan shroud.

2008 Chevrolet Silverado 1500

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

Fig. 236: View Of Air Cleaner Outlet Duct
Courtesy of GENERAL MOTORS CORP.

11. Install the air cleaner outlet duct.

12. Tighten the air cleaner outlet duct clamp at the throttle body.

Tighten: Tighten the clamp to 4 N.m (35 lb in).

13. Tighten the air cleaner outlet duct clamp at the mass airflow sensor.

Tighten: Tighten the clamp to 4 N.m (35 lb in).

ENGINE COOLANT FAN LOWER SHROUD REPLACEMENT (MECHANICAL)

Removal Procedure

2008 Chevrolet Silverado 1500

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

Fig. 237: View Of Oil Cooler Hose Clip At Lower Fan Shroud
Courtesy of GENERAL MOTORS CORP.

1. Remove the cooling fan. Refer to Fan Replacement (Diesel) or Fan Replacement

(Mechanical).

2. If equipped with engine oil cooler, remove the oil cooler hose clip from the lower fan

shroud.

3. Lift the lower fan shroud up in order to disengage the fan shroud from the retaining clips on

the radiator.

Installation Procedure

2008 Chevrolet Silverado 1500

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