Air Flow Meter/Sensor: Service and Repair

REMOVAL




1. Disconnect the negative battery cable.
2. Remove the engine cover. Grasp both corners of the engine cover, and pull up firmly.
3. Disconnect the MAF/IAT harness connector (1).
4. Remove the vent hose (2).




5. Disengage the lock ring (1) that attaches the MAF to the intake by inserting a suitable tool into the locking ring (1) and moving the tabs on the intake (2) away from their locked position.




6. Press the locking tab (1) on the bottom right of the MAF down with a suitable tool unlocking it from the intake. Press the locking tab on the upper left of the MAF upward with a suitable tool, unlocking it from the intake manifold.
7. Remove the MAF from the intake manifold.
8. Inspect the sealing ring and replace if necessary.
9. Inspect the sealing ring between the air inlet and the MAF and replace if necessary.
10. Inspect the locking tabs on the MAF and replace if necessary.

INSTALLATION




1. Install the MAF onto the intake by securely pushing the MAF onto the throttle body.
2. Lock the lower locking tab (1) to the intake manifold. Lock the upper locking tab to the intake manifold.




3. Push the MAF so the upper locking ring (1) and tabs (2) are inline with the tabs on the intake, then squeeze the locking ring (1) to lock the MAF onto the intake.
4. Install the vent hose (2) to the MAF sensor.




5. Connect the MAF/IAT harness connector (1).
6. Install the engine cover. Align the engine cover retaining clips to the rubber mounts, and push down firmly to connect engine cover to rubber mounts.

NOTE: To ease the installation of the engine cover, apply a small amount of lubricant to the engine cover rubber mounts.

7. Connect the negative battery cable.