RAM 2500 Truck 4WD L6-359 5.9L DSL Turbo VIN D FI (1998)
17. With the injection pump at the correct plunger lift setting, use special gear puller tool #L-4407A to pull the injection pump gear off the taper of the
injection pump input shaft. Leave the gear puller installed. After the gear has been pulled, ensure the lift setting has not changed.
Fig 49 Gear Puller Tool Installed
18. Rotate the engine 20 to 30 degrees counter-clockwise, then rotate the engine back clockwise to TDC. This removes backlash from the geartrain.
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The fuel pump gear and pump shaft tapers must be absolutely clean, dry and free of any oil or dirt. Oil or dirt will prevent seating of
the taper and will result in possible slippage of the gear.
19. Loosen, but do not remove the gear puller tool bolts. Using the gear puller, rotate pump gear counterclockwise by hand, while pushing the gear
onto the pump shaft. This will remove backlash between the injection pump and camshaft gears.
20. Hand tighten the pump shaft nut. Remove the gear puller.
