Removal Procedure

CAUTION: 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.

NOTE:

DO NOT for any reason, insert a screwdriver or other small hand tool into the throttle body to hold open the throttle plate as a wedge, as the inside of 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.

Fig 1: View Of Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

Remove the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
Disconnect the throttle actuator control motor electrical connector (3).

Fig 2: EVAP Canister Purge Tube To Throttle Body

Courtesy of GENERAL MOTORS CORP.

Disconnect the evaporative emission (EVAP) canister purge tube from the throttle body. Refer to Plastic Collar Quick Connect Fitting Service .

Fig 3: Exploded View Of Throttle Body

Courtesy of GENERAL MOTORS CORP.

Remove the throttle body bolts (538).
Remove the throttle body (508).
Remove and discard the throttle body gasket (509).