Rear Gear Train
NOTE: Perform procedure 006-061 before continuing to check for leakage from the high pressure relief valve.
Refer to Procedure 006-061 in Section 6. If the high pressure relief valve fuel return flow measures 0, proceed
with procedure 006-026.
Fuel Rail Pressure Relief Valve Drain:
โข Disconnect the quick connect (1) located in the drain line.
โข Install the quick disconnect line, Part Number 4918434, onto the quick connect fitting line (2).
โข Route the fuel rail drain hose, Part Number 4918434 with female fitting, into a graduated beaker, Part Number 3823705.
โข Insert the fuel block-off tool, Part Number 4918464, into the quick connect fitting line (3).
NOTE: The fuel pump drain flow must be separated from the injector drain flow before collecting injector drain flow
data.
Fuel Pump Drain:
โข Disconnect the OEM fuel drain line from the gear pump drain connection.
โข Remove the flow-through banjo bolt from the drain connection eyelet.
Injector Drain Flow:
โข Install the fuel drain hose, Part Number 3164618, into the eyelet and cap it off with Part Number 4918297,
(Part of kit, Part Number 4918295).
โข Route the fuel rail drain hose into a graduated beaker, Part Number 3823705.
Fuel Pump Drain Flow:
โข Install the fuel drain flow hose, Part Number 4918679 (1) or 4918296 (2), into the threaded drain connection.
โข Route the fuel drain hose into a graduated beaker, Part Number 3823705.
