Chevrolet Silverado / GMC Sierra. Service manual — part 1954

Fig. 192: View Of Fuel Rail & Bolts
Courtesy of GENERAL MOTORS CORP.

3. Install NEW fuel injector lower O-ring seals onto the injectors.

4. Lubricate the NEW O-ring seals with clean engine oil.

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

5. Install the fuel rail.

6. Install the fuel rail bolts.

Tighten: Tighten the bolts to 10 N.m (89 lb in).

Fig. 193: View Of Throttle Body, Gasket & Bolts/Nuts
Courtesy of GENERAL MOTORS CORP.

7. Install a NEW throttle body gasket to the intake manifold.

8. Install the throttle body.

9. Install the throttle body bolts/nuts.

Tighten: Tighten the bolts/nuts to 10 N.m (89 lb in).

IMPORTANT: Push down firmly on both sides of the rail until all the

injectors have been seated into their bores.

NOTE:

Refer to Fastener Notice .

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. 194: View Of EVAP Tube & Purge Solenoid
Courtesy of GENERAL MOTORS CORP.

10. Install the EVAP tube and purge solenoid.

11. Install the EVAP canister purge solenoid to the fuel rail bracket and engage the retainer.

12. Connect the EVAP tube quick connect fitting at the intake manifold. Refer to Plastic

Collar Quick Connect Fitting Service .

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. 195: View Of MAP Sensor & Retainer
Courtesy of GENERAL MOTORS CORP.

13. Lubricate the MAP sensor seal with clean engine oil.

14. Install the MAP sensor.

15. Install the MAP sensor retainer.

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