Chevrolet Silverado / GMC Sierra. Service manual — part 553

Fig. 99: Identifying EGR Mounting Bracket & Bolts
Courtesy of GENERAL MOTORS CORP.

16. Remove the EGR mounting bracket bolt and nut.

17. Remove the EGR mounting bracket.

2008 Chevrolet Silverado 1500

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

Fig. 100: View Of Fuel Injector Line Fittings
Courtesy of GENERAL MOTORS CORP.

18. Using compressed air to blow away any debris between the fuel injector line and the fittings

(1, 2). Wipe clean the fittings (1) of debris.

NOTE:

DO NOT use compressed air to clean debris from the fuel
injector inlet after the fuel line is removed. Using compressed
air can allow debris to enter the fuel injector inlet and damage
the fuel injector.

2008 Chevrolet Silverado 1500

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

19. Spray lithium grease, GM P/N 12346293 or equivalent, between the fuel injector line and

fitting (1, 2) to contain any debris during removal.

Fig. 101: View Of Left Fuel Injector Pipes
Courtesy of GENERAL MOTORS CORP.

20. Remove the left fuel injector pipes.

2008 Chevrolet Silverado 1500

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

Fig. 102: View Of Fuel Injector Pipes
Courtesy of GENERAL MOTORS CORP.

21. Remove the right fuel injector pipes.

2008 Chevrolet Silverado 1500

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