Removal Procedure

Remove the air cleaner outlet duct. Air Cleaner Outlet Duct Replacement (2H0)
Courtesy of GENERAL MOTORS COMPANY

Disconnect the electrical wiring harness connector (2).
Disconnect the positive crankcase ventilation pipe (1).
Disconnect the throttle body heater outlet pipe (4).
Disconnect the throttle body heater inlet pipe (3).
Courtesy of GENERAL MOTORS COMPANY

Remove the 4 throttle body bolts (2).
Remove the throttle body (1).