Removal Procedure

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.

NOTE: Do not use any solvent that contains Methyl Ethyl Ketone (MEK). This solvent may damage fuel system components.

Remove the air cleaner resonator. Refer to Air Cleaner Outlet Resonator Replacement .
Disconnect the idle air control (IAC) valve harness connector (1).

Fig 1: View Of Idle Air Control (IAC) Valve & Throttle Position (TP) Sensor

Courtesy of GENERAL MOTORS CORP.

Disconnect the throttle position (TP) sensor harness connector (2).
Disconnect the vacuum hoses at the throttle body.
Remove the throttle body attaching bolts (1).

Fig 2: Identifying Throttle Body

Courtesy of GENERAL MOTORS CORP.

Remove the throttle body (4) from the intake manifold.