WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Do not disassemble the oil pump assembly.
Fig 1: Removing Oil Pump Assembly And Rear Output Shaft
Courtesy of FORD MOTOR CO.
Remove the oil pump assembly and the rear output shaft as an assembly.