Chevrolet Silverado / GMC Sierra. Service manual - part 2060

24. Remove the heater hoses. Refer to Heater Inlet Hose Replacement (Non-HP2) and

Heater Outlet Hose Replacement .

Fig. 111: View Of Engine Harness Electrical Connectors & Inlet Hose Clamp
Courtesy of GENERAL MOTORS CORP.

25. Disconnect the engine harness electrical connector (1) from the oil pressure sensor.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

26. Disconnect the engine harness electrical connector (2) from the lifter oil manifold.

Fig. 112: View Of Engine Ground Strap & Bolt
Courtesy of GENERAL MOTORS CORP.

27. Remove the engine ground strap bolt from the rear of the left cylinder head and cowl and

reposition.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 113: View Of Battery Cable Terminals & Stud
Courtesy of GENERAL MOTORS CORP.

28. Remove the negative battery cable stud (1) from the right cylinder head.

29. Remove the negative battery cable terminal (2) and the engine harness ground (3) from the

right cylinder head.

30. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 114: View Of Engine Harness Components
Courtesy of GENERAL MOTORS CORP.

31. Remove the engine harness clip (1) from the ground stud.

32. Remove the engine harness ground stud (2) from the engine block.

33. Remove the engine harness grounds (3) from the engine block.

34. Disconnect the engine harness electrical connector (4) from the knock sensor.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado