H2 V8-6.2L (2008)
Throttle Body: Removal and Replacement
Throttle Body Assembly Replacement
Removal Procedure
Notice: Handle the electronic throttle control components carefully. Use cleanliness in order to prevent damage. Do not drop the electronic
throttle control components. Do not roughly handle the electronic throttle control components. Do not immerse the electronic throttle control
components in cleaning solvents of any type.
Important: An eight digit part identification number is stamped on the throttle body casting. Refer to this number if servicing, or part
replacement is required.
1. Partially drain the cooling system in order to allow the hoses at the throttle body to be removed. Refer to Cooling System Draining and Filling
(Static Fill) (See: Engine, Cooling and Exhaust/Cooling System/Service and Repair/Draining and Filling Cooling System)Cooling System
Draining and Filling (Vac-N-Fill) (See: Engine, Cooling and Exhaust/Cooling System/Service and Repair/Draining and Filling Cooling System) .
Important: Cover or plug any openings when servicing the throttle body in order to prevent possible contamination.
2. Remove the air intake duct. Refer to Air Cleaner Resonator Outlet Duct Replacement (See: Air Cleaner Housing/Air Cleaner Fresh Air
Duct/Hose/Service and Repair) .
3. Disconnect the throttle actuator motor harness connector.
4. Disconnect the coolant hoses from the throttle body.
5. Remove the throttle body attaching bolts.
6. Remove the throttle body and the gasket.
Important: Do not reuse the throttle body gasket. Install a new gasket during assembly.
7. Discard the throttle body gasket.
8. Inspect the crankcase ventilation hose and the tube. Replace any damaged components.
Installation Procedure
