Chevrolet Silverado / GMC Sierra. Service manual — part 622

Fig. 17: View Of Left Fuel Rail And Bracket
Courtesy of GENERAL MOTORS CORP.

3. Install the left fuel rail.

4. Install the left fuel rail mounting bolts.

Tighten: Tighten the left fuel rail mounting bolts 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

Fig. 18: View Of Fuel Injector Pipes
Courtesy of GENERAL MOTORS CORP.

5. Install the injection pipes to the right bank.

Tighten: Tighten the injection pipes to 41 N.m (30 lb ft).

CAUTION: Improper torque methods of the fuel lines will result in

fuel leaks and possible damage to the engine. Failure to
follow proper fuel line fitting torque methods could result
in serious personal injury.

2008 Chevrolet Silverado 1500

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

Fig. 19: View Of Left Fuel Injector Pipes
Courtesy of GENERAL MOTORS CORP.

6. Install the injection pipes to the left bank.

Tighten: Tighten the injection pipes to 41 N.m (30 lb ft).

CAUTION: Improper torque methods of the fuel lines will result in

fuel leaks and possible damage to the engine. Failure to
follow proper fuel line fitting torque methods could result
in serious personal injury.

2008 Chevrolet Silverado 1500

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

Fig. 20: Identifying EGR Mounting Bracket & Bolts
Courtesy of GENERAL MOTORS CORP.

7. Install the exhaust gas recirculation (EGR) mounting brackets.

8. Install the EGR mounting bracket bolts.

Tighten: Tighten the EGR mounting bracket bolts to 20 N.m (15 lb ft).

2008 Chevrolet Silverado 1500

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