GM Service Manual Online
For 1990-2009 cars only

Object Number: 623056  Size: MH
(1)EVAP Vent Hose
(2)IAT Electrical Connector
(3)Air Cleaner Housing
(4)Air Cleaner Element
(5)Air Cleaner Cover
(6)MAF Sensor Electrical Connector

The air induction system provides air and oxygen for the combustion process. The air cleaner keeps dirt from entering the engine. Outside air is drawn into a forward mounted air cleaner. The air passes through the air filter element and past the mass air flow (MAF) sensor to the throttle body. The air then flows through the intake manifold and into the cylinder head. Finally in the cylinder head, the air travels through the intake runner, ending in the combustion chamber.