Air Cleaner Housing: Service and Repair

Air Cleaner Assembly Replacement

Removal Procedure




1. Disconnect the engine harness electrical connector from the mass air flow (MAF)/intake air temperature (IAT) sensor.




2. Disconnect the positive crankcase ventilation (PCV) tube quick connect fitting from the air cleaner outlet duct. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).




3. Disconnect the secondary air injection (AIR) hose quick connect fitting (1) from the air cleaner, if equipped. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).




4. Loosen the air cleaner outlet duct clamp at the throttle body.
5. Remove the air cleaner outlet duct from the throttle body.




6. Disengage the 3 integral clips (1) on the lower housing from the upper housing.
7. Remove the air cleaner upper housing.




8. If replacing the air cleaner lower housing also, perform the following steps if not proceed to step 12.
9. Remove the engine harness and powertrain control module (PCM) from the lower housing.




10. Pull up firmly on the lower housing in order to disengage the grommets from the studs. Remove the air cleaner lower housing.





Notice:
* Handle the MAF sensor carefully.
* Do not drop the MAF sensor in order to prevent damage to the MAF sensor.
* Do not damage the screen located on the air inlet end of the MAF.
* Do not touch the sensing elements.
* Do not allow solvents and lubricants to come in contact with the sensing elements.
* Use a small amount of a soap based solution in order to aid in the installation.



11. If replacing the air cleaner upper housing only perform the following steps, loosen the air cleaner outlet duct clamp at the MAF/IAT sensor.
12. Remove the air cleaner outlet duct.




13. Remove the MAF/IAT sensor bolts.
14. Remove the MAF/IAT sensor.


Installation Procedure




1. If the upper air cleaner housing was replaced only perform the following steps otherwise proceed to step 6.
2. Install the MAF/IAT sensor.

Notice: Refer to Fastener Notice (Fastener Notice).

3. Install the MAF/IAT sensor bolts.

Tighten the bolts to 4 N.m (35 lb ft).




4. Install the air cleaner outlet duct.
5. Tighten the air cleaner outlet duct clamp at the MAF/IAT sensor.

Tighten the clamp to 4 N.m (35 lb in).




6. Place the lower air cleaner housing over the studs and push down firmly in order to engage the grommets to the studs.




7. Install the engine harness and PCM to the lower housing.




8. Install the air cleaner upper housing.
9. Engage the 3 integral clips (1) on the lower housing to the upper housing.




10. Install the air cleaner outlet duct to the throttle body.
11. Tighten the air cleaner outlet duct clamp at the throttle body.

Tighten the clamp to 4 N.m (35 lb in).




12. Connect the AIR hose quick connect fitting (1) to the air cleaner, if equipped. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).




13. Connect the PCV tube quick connect fitting to the air cleaner outlet duct. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).




14. Connect the engine harness electrical connector to the MAF/IAT sensor.