Air Cleaner Element, 7.3L Direct Injection Diesel Engine

Removal

1. Remove engine air cleaner intake tube (9A624) (see Engine Air Cleaner Intake Duct and Tube in the Removal and Installation portion of this section).

2. Loosen hose clamp retaining engine air cleaner (ACL) (9600) to engine air cleaner duct tube adapter (9B676).

3. Loosen nuts retaining upper air cleaner housing to lower air cleaner housing. Remove upper housing.

4. Before installing new element in air cleaner assembly, check the following items:

   • Gasket surfaces should be clean and undamaged.
   • Air cleaner element (ACL element) (9601) should be dry and free of holes, ruptures, damaged gaskets or dents in housings and liners.
   • Water drain tube should be free of obstructions.

Installation

 CAUTION: A special filtering element is required on 7.3L diesel engines. Use only a specific Ford replacement. Use of other elements could result in serious engine damage. Do not attempt to clean element. Discard and replace.

After the air cleaner housing, air cleaner element and other parts are found in good condition, reassemble the parts.

1. Install the air cleaner element.

2. Install the upper housing. Make sure seal is in place.

3. Tighten upper air cleaner housing nuts to 2.1-2.5 Nm (19-22 lb-in). Secure engine air cleaner duct tube adapter to engine air cleaner. Tighten to 1.5-2.5 Nm (14-22 lb-in).

4. Replace engine air cleaner intake tube. Install screw to attach engine air cleaner intake tube to radiator support. Tighten to 7-9 Nm (62-80 lb-in).