Extension Housing Gasket: Removal

NOTE: The output shaft and driveshaft are a balanced assembly.

Fig 1: Identifying Output Shaft And Driveshaft

Courtesy of FORD MOTOR CO.

Mark the driveshaft flange and the rear companion flange for correct alignment during assembly.
Remove the four driveshaft bolts.

Fig 2: Removing Four Driveshaft Bolts
Courtesy of FORD MOTOR CO.
Slide the driveshaft back enough to index-mark the driveshaft, the extension housing and the output shaft. Separate the driveshaft from the transmission.

Fig 3: Separating Driveshaft From Transmission
Courtesy of FORD MOTOR CO.
Use a high-lift transmission jack to support the transmission.
Remove the transmission crossmember bolts.

Fig 4: Removing Transmission Crossmember Bolts
Courtesy of FORD MOTOR CO.
Remove the transmission mount and crossmember.

Fig 5: Removing Transmission Mount And Crossmember
Courtesy of FORD MOTOR CO.
Lower the transmission to access the extension housing bolts.
Remove the extension housing and gasket.
1. Remove the bolts and the nuts.
2. Remove the extension housing and gasket.
  
  Fig 6: Removing Extension Housing And Gasket
  Courtesy of FORD MOTOR CO.