Chevrolet Silverado / GMC Sierra. Service manual — part 523

Fig. 392: View Of Inlet Heater Hose
Courtesy of GENERAL MOTORS CORP.

58. Connect the inlet heater hose (1) to the heater core inlet.

Firmly push to quick connector onto the heater core pipe until you hear an audible click.

59. Install the outlet heater hose to the outlet radiator hose.

60. Install the bolt retaining the heater hose pipe to the bracket.

Tighten: Tighten the bolt to 25 N.m (18 lb ft).

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

61. Install the radiator inlet hose Radiator Inlet Hose Replacement (Non-HP2) .

62. Install the charged air cooler pipes and hoses to the turbocharger and the charged air cooler.

Refer to Charge Air Cooler Inlet Pipe Replacement and Charge Air Cooler Outlet
Pipe Replacement .

63. Install both fender wheelhouse inner panels (1). Refer to Front Wheelhouse Liner

Replacement - Right Side (GMC) or Front Wheelhouse Liner Replacement - Right
Side (Chevrolet) and Front Wheelhouse Liner Replacement - Left Side (Chevrolet) or
Front Wheelhouse Liner Replacement - Left Side (GMC) .

64. Install both front tires and wheels. Refer to Tire and Wheel Removal and Installation .

65. Install the surge tank. Refer to Radiator Surge Tank Replacement (Non-HP2) .

66. Install the air cleaner. Refer to Air Cleaner Assembly Replacement .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 393: View Of Engine Wire Harness Clips, A/C Pressure Cycling Switch & Surge
Tank Switch
Courtesy of GENERAL MOTORS CORP.

67. Connect the following engine wire harness connectors:

Install the engine wire harness clips to the wheelhouse inner panel (3).

A/c pressure cycling switch (2)

Surge tank switch (1)

68. Connect the batteries negative cables. Refer to Battery Negative Cable Disconnection

and Connection (w/Single Battery) or Battery Negative Cable Disconnection and
Connection (w/Auxiliary Battery) or Battery Negative Cable Disconnection and
Connection (w/Dual Batteries) .

69. Fill the engine coolant. Refer to Cooling System Draining and Filling (Vac-N-Fill) or

Cooling System Draining and Filling (Static Fill) .

70. Prelube the engine. Refer to Engine Prelubing .

71. Operate the engine, inspect for coolant, oil, fuel, and exhaust leaks.

72. Inspect for proper oil pressure.

73. Inspect for proper engine operation.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 394: View Of Service Piston Notch
Courtesy of GENERAL MOTORS CORP.

74. With the aid of the assistant raise the hood slightly until the hood hinge bolts can be

removed from the service position notch (1).

IMPORTANT: There is a positive stop which limits the hood from being

opened too far.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado