Removal Procedure

Remove the air cleaner intake duct. Refer to Air Cleaner Intake Duct Replacement .
Disconnect the electronic throttle control (ETC) electrical connector.

Fig 1: Removing Heater Pipe Nut At Throttle Body

Courtesy of GENERAL MOTORS CORP.

Remove the heater pipe nut at the throttle body.

Fig 2: Removing Nuts And Bolts From Throttle Body

Courtesy of GENERAL MOTORS CORP.

Remove the nuts and the bolts from the throttle body.
Remove the throttle body assembly.
Remove the throttle body gasket.

NOTE: Do not use solvent of any type when cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as damage to the gasket surfaces and throttle body assembly may result.
Use care in cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as sharp tools may damage the gasket surfaces.

Clean and inspect the throttle body gasket mating surfaces.