Extension Housing Gasket - F-Super Duty: Removal

WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, and 2003 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The 4x2 application is shown, the 4x4 application is similar.

All vehicles

With the vehicle in NEUTRAL position it on a hoist. Refer to Jacking & Lifting .
4x4 vehicles
Remove the transfer case. Refer to TRANSFER CASE .
4x2 vehicles
Remove the rear driveshaft. Refer to DRIVESHAFT .
Remove the transmission insulator-to-crossmember support nuts.

Fig 1: Removing Transmission Insulator-To-Crossmember Support
Courtesy of FORD MOTOR CO.
Attach a suitable transmission jack to the transmission.

CAUTION: Be sure not to raise the back of the transmission too high. If it makes contact with the underbody, damage to the TSS and OSS sensors will occur.

Remove the rear transmission mount.
1. Raise the transmission up off the rear crossmember support.
2. Remove the bolts.
3. Remove the rear transmission mount.
  
  Fig 2: Removing Rear Transmission Mount
  Courtesy of FORD MOTOR CO.
Disconnect the output shaft speed (OSS) sensor.

Fig 3: Disconnecting Output Shaft Speed (OSS) Sensor
Courtesy of FORD MOTOR CO.
Remove the bolts and the transmission extension housing.

Fig 4: Removing Bolts And Transmission Extension Housing
Courtesy of FORD MOTOR CO.
Remove and discard the extension housing gasket.