How to Procedures 1. Install a new seal ring (1) on to final filter cap. 2. Snap (For DD5) or twist (For DD8) a new final filter into the final filter cap. 3. Apply a light coat of Parker super O-lube or petroleum-based lithium grease to the final filter cap seal ring (1) and drain back port seal ring (2). 4. Install the final filter into the fuel filter module. 5. Torque the final filter cap to 25 to 30 N·m (19 to 22 lb·ft). NOTE: If a filter service is being performed, replace all other filters before priming. 6. Once all required filters have been changed, prime the fuel system. Refer to section "Priming the Fuel System”. Engine Out of Fuel – How to Restart NOTICE:
Prolonged use of the starting motor to prime the fuel system can result in damage to the starter. Use the following procedure to prime the fuel system: NOTE: If a vehicle is on uneven ground, more fuel may be required. 92 All information subject to change without notice. Copyright © 2017 DETROIT DIESEL CORPORATION DDC-SVC-MAN-0192