Chevrolet Silverado / GMC Sierra. Manual - part 510
Courtesy of GENERAL MOTORS CORP.
1. Open the hood.
2. Remove the ground strap from the stud.
Fig. 343: View Of Hood Strut Rod, Grille End Caps & Hood Hinge Bolts
Courtesy of GENERAL MOTORS CORP.
3. Assemble 2 sets of the following: an M6 bolt, 2 each 19.05 mm (0.75 in) flat washers and an
M6 nut.
4. Release the retainer securing the hood strut rod to the hood strut bracket stud.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
5. Remove the air inlet grille end caps (1), lift the end cap up in order to disengage the
retainers. (left side shown, right side similar).
6. Have an assistant support the hood.
7. Remove the hood hinge bolts (2) and set aside.
Fig. 344: View Of Service Piston Notch
Courtesy of GENERAL MOTORS CORP.
8. Raise the hood until the service position notch (1) in the upper hinge is reached.
9. Install the 2 sets of the M6 bolts to both the left and right side service notches and tighten
IMPORTANT: There is a positive stop which limits the hood from being
opened too far.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
finger tight.
10. Lower the hood until the bolts rest against the lower hinge, tighten the bolts to secure the
hood.
Tighten: Tighten the bolts to 20 N.m (15 lb ft).
11. The hood is now set in the service position.
12. Recover the air conditioning (A/C) system. Refer to Refrigerant Recovery and
Recharging .
13. Disconnect the negative battery cables. Refer to Battery Negative Cable Disconnection
and Connection (w/Single Battery) or Battery Negative Cable Disconnection and
Connection (w/Auxiliary Battery) or Battery Negative Cable Disconnection and
Connection (w/Dual Batteries) .
14. Drain the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill) or
Cooling System Draining and Filling (Static Fill) .
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 345: View Of Engine Wire Harness Clips, A/C Pressure Cycling Switch & Surge
Tank Switch
Courtesy of GENERAL MOTORS CORP.
15. Disconnect the following engine wire harness connectors:
Surge tank switch (1)
A/C pressure cycling switch (2)
Remove the engine wire harness clips from the wheelhouse inner panel (3).
16. Remove the air cleaner. Refer to Air Cleaner Assembly Replacement .
17. Remove the surge tank. Refer to Radiator Surge Tank Replacement (Non-HP2) .
18. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
19. Remove both front tires and wheels. Refer to Tire and Wheel Removal and Installation .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado