Replacing Primary and Final Fuel Filter Elements

IMPORTANT: Any dirt or debris allowed to enter fuel system when changing elements can result in severe damage to fuel injection pump and nozzles.

1. Firmly grasp filter retaining ring (A) and rotate it counterclockwise 1/3 turn. Remove retaining ring and fuel filter (B).

2. Inspect filter mounting base for cleanliness. Clean as required.

NOTE: Fuel filter must be indexed properly and key on canister must be oriented in slot of mounting base for correct installation.

3. Install new filter element onto mounting base and position element using a slight rocking motion. Be sure element is properly indexed on mounting base.

4. Install retaining ring onto mounting base and tighten about 1/3 turn until ring "snaps" into detent. DO NOT over-tighten retaining ring.

5. Bleed fuel system. (See BLEEDING FUEL SYSTEM in this section.)

A-Filter Retaining Ring
B-Fuel Filter

NXC8,M64675,O19 -19-13FEB98-1/1