Front Gear Train The purpose of this test is to check lift pump flow. Disconnect the filter head fuel supply line quick disconnect at the…
Category: 6.7L Cummins
Front gear train engines use an electric motor driven lift pump that is located in the fuel tank, which is installed by the OEM. For…
Front Gear Train Install a new seal ring on the front of the fuel pump assembly. Be sure the seal ring is not twisted. Lubricate…
Rear Gear Train Install a new seal ring on the front of the fuel pump assembly. Be certain the seal ring is not twisted .…
Clean the fuel pump with solvent. Dry with compressed air. Inspect the driveshaft and gear for damage. Replace if damage is found. Inspect the o-ring…
Rear Gear Train Use a fuel pump retention tool, Part Number 3164707, and a 1f2-inch breaker bar to retain the fuel pump drive gear. Loosen…
Front Gear Train Remove the fuel pump drive access cover with a 3/8-inch drive ratchet. NOTE: The engine barring tool, Part Number 3824591, can be…
If the engine will not start, disconnect the high-pressure fuel outlet line from the high-pressure injection pump. Refer to Procedure 006-071 in Section 6. Disconnect…
There are three different mounting locations available for high-pressure fuel pumps. The pump can be mounted in a high or low position on rear gear…
Rear Gear Train Place the fuel heater, gasket side facing up, against the filter head. NOTE: Do not apply an excessive amount of thread locker…