TrailBlazer 2WD V8-5.3L (2007)
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:
* DO NOT for any reason, insert a screwdriver or other small hand tool into the throttle body to hold open the throttle plate, as 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.
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
(LL8) Draining and Filling Cooling System (LH6, LS2).
1. Remove the air cleaner outlet duct.
2. Disconnect the throttle actuator motor electrical connector (1) from the throttle actuator motor (2).
