Sierra Classic 1500 2WD V8-5.3L Hybrid (2007)
10. Important: Align the arrow at the throttle body end of the duct with the throttle body attaching stud.
Install the air cleaner outlet duct.
11. Install the radiator inlet hose clip to the outlet duct.
12. Tighten the air cleaner outlet duct clamps at the following locations:
^
Throttle body
^
MAF/IAT sensor
Tighten the clamps to 4 Nm (35 inch lbs.).
13. Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (w/RPO HP2) Draining
and Filling Cooling System (Vac-N-Fill).
Non-HP2
Radiator Outlet Hose Replacement (4.8L, 5.3L, and 6.0L)
Removal Procedure
1. Drain the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (w/RPO HP2) Draining
and Filling Cooling System (Vac-N-Fill).
2. Loosen the air cleaner outlet duct clamps at the following locations:
^
Throttle body
^
Mass airflow/intake air temperature (MAF/IAT) sensor
3. Remove the radiator inlet hose clip from the outlet duct.
4. Remove the air cleaner outlet duct.
5. Reposition the outlet hose clamp at the water pump.
6. Remove the outlet hose from the water pump.
