Chevrolet Silverado / GMC Sierra. Service manual — part 544

Fig. 63: Identifying Glow Plug Controller
Courtesy of GENERAL MOTORS CORP.

13. Disconnect the glow plug controller electrical connector.

2008 Chevrolet Silverado 1500

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

Fig. 64: View Of Turbocharger Vane Position Sensor
Courtesy of GENERAL MOTORS CORP.

14. Disconnect and remove the turbocharger vane positon sensor.

2008 Chevrolet Silverado 1500

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

Fig. 65: View Of Fuel Injector Electrical Connectors
Courtesy of GENERAL MOTORS CORP.

15. Disconnect the fuel injector electrical connections.

NOTE:

Label all the injector electrical connectors before the
connectors are removed in order to prevent reconnecting to the
wrong injector. Failure to properly connect the injectors in the
correct sequence will cause severe engine damage.

2008 Chevrolet Silverado 1500

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

Fig. 66: View Of Turbocharger Vane Control Solenoid Valve & Electrical Connector
Courtesy of GENERAL MOTORS CORP.

16. Disconnect the turbocharger vane control solenoid valve.

2008 Chevrolet Silverado 1500

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