Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

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.

CAUTION:

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

Fig 1: View Of CPA Retainer, Engine Harness Electrical Connectors & Harness Clips

Courtesy of GENERAL MOTORS COMPANY

Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
Disconnect the engine wiring harness electrical connector (3) from the electronic throttle control.

Fig 2: Throttle Body Assembly

Courtesy of GENERAL MOTORS COMPANY

Remove the throttle body nuts (507) and bolts (538).
Remove the throttle body (508).
Remove and discard the throttle body gasket (509).