Removal Procedure

Fig 1: View Of Throttle Body Assembly

Courtesy of GENERAL MOTORS CORP.

Disconnect the intake air temperature (IAT) sensor connector.

Fig 2: Identifying Outlet Resonator/Duct Assembly

Courtesy of GENERAL MOTORS CORP.

Loosen the clamp a the air cleaner assembly.
Remove the push pin attachment from the outlet resonator/duct assembly to support bracket.
Loosen the clamp at the throttle body assembly.
Disconnect the PCV fresh air vent hose at the cam cover.
Remove the outlet resonator/duct assembly.

Fig 3: View Of Throttle Body Opening With A Shop Towel

Courtesy of GENERAL MOTORS CORP.

NOTE: Cover the throttle body with a shop towel. Using air, clean the base of the throttle body to prevent debris from entering the manifold when the throttle body is removed.

Cover the throttle body opening with a shop towel and use the shop air to remove any dirt at the base of the throttle body.

Fig 4: View Of Throttle Body Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Disconnect the electrical connector at throttle body.

Fig 5: View Of Throttle Body Assembly & Bolts

Courtesy of GENERAL MOTORS CORP.

Remove the throttle body bolts.
Remove the throttle body.

IMPORTANT: The throttle body-to-manifold gasket is not reusable.

Remove the gasket and discard.

Fig 6: View Of Intake Manifold Opening With A Clean Shop Towel

Courtesy of GENERAL MOTORS CORP.

NOTE: Cover the intake manifold opening with a shop towel whenever the throttle body is removed to prevent foreign material entry.

Block the intake manifold opening with a clean shop towel to prevent dirt from entering.