DRIVEABILITY AND EMISSIONS 6E1-257
AIR INDUCTION SYSTEM
AIR FILTER
Removal
1. Disconnect electrical connector at the IAT sensor.
2. Release the four latches securing the lid to the air
cleaner housing.
3. Remove the air cleaner lid.
4. Remove the air filter element.
Installation
1. Install the air filter element in the air cleaner housing.
2. Install the air cleaner lids.
3. Secure the three latches, holding the lid on the air
cleaner housing.
4. Connect the electrical connector to the IAT sensor.
IDLE AIR CONTROL (IAC) VALVE
Removal
1. Disconnect the negative battery cable.
2. Disconnect the IAC electrical connector.
3. Remove the two screws and IAC valve from the throttle
body.
Notice: Do not clean the IAC valve by soaking it in solvent.
The valve will be damaged as a result.
Cleaning and Inspection
• Clean the IAC valve O-ring sealing surface, pintle valve
seat and air passage.
• Use carburetor cleaner and a parts cleaning brush to
remove carbon deposit. Do not use a cleaner that contain
methyl ethyl ketone. This is an extremely strong solvent
and not necessary for this type of deposit.
• Shiny spots on the pintle are normal and do not indicate
misalignment or a bent pintle shaft.
• Inspect the IAC valve O-ring for cuts, cracks or distortion.
Replace the O-ring if damaged.
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