How to Procedures 4. Install the prefilter into the fuel filter module. 5. Torque prefilter 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”. Removal of the Final Filter Remove the final filter as follows: NOTICE: The fuel filter element may discolor over time. This is normal operation and the filters should not be replaced on that basis alone. 1. Shut off the engine, apply the parking brake, chock the wheels, and perform any other applicable safety steps.
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