Download 1. Loosen the air cleaner outlet tube clamp at the Mass Air Flow (MAF) sensor and remove tube. 2. Disconnect the MAF sensor electrical connector. 3. Remove the engine air cleaner cover. 1 Unclip the two bail clamps. 2 Remove the engine air cleaner cover. 4. Remove the Air Cleaner element (ACL element). 1998 Ford Truck Explorer 2WD V6-245 4.0L VIN X SFI 5. Remove the lower air cleaner assembly. INSTALLATION 1. Follow the removal procedure in reverse order.