Sierra Classic 2500 4WD V8-6.0L (2007)
Throttle Body: Removal and Replacement
THROTTLE BODY ASSEMBLY REPLACEMENT
REMOVAL PROCEDURE
NOTE: 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:
-
DO NOT for any reason, insert a screwdriver or other small hand tools into the throttle body to hold open the throttle plate, as the wedge
inside the throttle body could be damaged.
-
An 8-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 hose at the throttle body to be removed. 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. Remove the air cleaner outlet duct.
3. Remove the engine sight shield.
4. Disconnect the throttle actuator motor electrical connector (2).
5. Reposition the coolant air bleed hose clamp at the throttle body.
6. Remove the coolant air bleed hose from the throttle body.
