Operation CHARM: Car repair manuals for everyone.
Home >> Ford >> 2003 >> Focus L4-2.3L VIN Z >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Air Cleaner Housing >> Service and Repair
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Air Cleaner Housing: Service and Repair

REMOVAL

NOTE: The air cleaner has a cover shield and is attached to the frame, forward of the left front fender well.

1. With the vehicle in NEUTRAL, position it on a hoist.
2. Remove the intake air resonator.







3. Remove the Mass Air Flow (MAF) sensor pipe clamp-to-frame bolt.







4. Disconnect the MAF sensor electrical connector.







5. Remove the air cleaner cover intake bolt.







6. Remove the two wheelwell-to-air cleaner cover bolts.







7. Remove the two air cleaner cover-to-frame bolts.
^ Remove the air cleaner cover.

NOTE: Forward bolt shown, rearward bolt similar.







8. Remove the rearward air cleaner-to-frame bolts.

NOTE: Bottom view shown.







9. Remove the forward air cleaner-to-frame bolt.
^ Remove the air cleaner and the MAF sensor pipe as an assembly.







10. Loosen the clamp and separate the MAF sensor pipe from the air cleaner.

NOTE: The lower MAF sensor pipe screen may come loose and be attached to the air cleaner elbow upon separation. Make sure to inspect and reattach to the MAF sensor pipe as necessary.

INSTALLATION
1. To install, reverse the removal procedure.
pro multis · About Operation CHARM