<The oil pump is inside the oil pan you have to remove the engine to replace it.
4.0L SOHC (VIN E) and 5.0L Engines
See Figures 4, 5, 6, 7, 8 and 9
The oil pump cannot be removed with the engine in the vehicle.
Remove the engine.
Remove the oil pan.
Fig. 4: Remove the two oil pick-up attaching bolts (arrows)-4.0L engine shown
Fig. 5: On the 4.0L engine, remove the eight ladder frame bolts in the oil pan area
Unbolt the oil pick-up tube.
On the 4.0L engine, remove the eight ladder frame bolts which were under the oil pan.
On the 4.0L engine, remove the two rear outer ladder frame bolts.
Fig. 6: The two rear ladder frame bolts (arrows) on the 4.0L engine use TORX® drive fasteners
Fig. 7: View of the side ladder frame bolts (arrow) on the 4.0L engine
On the 4.0L engine, remove the seven LH and the eight RH ladder frame bolts.
On the 4.0L engine, lift the ladder frame from the engine.
Remove the two oil pump attaching bolts and the pump.
Fig. 8: Remove the two oil pump attaching bolts-4.0L engine shown
Fig. 9: Exploded view of the 5.0L engine oil pump and pick-up assembly
Installation is the reverse of removal. Submerge the pump in clean engine oil to prime it. Tighten the pump attaching bolts to 13-15 ft. lbs. (17-21 Nm) for the 4.0L engine and 23-31 ft. lbs. (30-43 Nm) for the 5.0L engine.
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