Extension Housing Gasket - Excursion: Installation

All vehicles 

NOTE: The extension housing must have a shoulder or a boss cast into it to hold the orifice lube plug in the back of the transmission case.
NOTE: If the wrong extension housing is used, the orifice lube plug may become loose and/or fall out and cause transmission damage.
NOTE: Lightly lubricate the extension housing gasket with petroleum jelly to hold it in place during assembly.
Fig 1: Installing Extension Housing
Courtesy of FORD MOTOR CO.
1. Install the extension housing.
2. Connect the output shaft speed (OSS) sensor.
   Fig 2: Connecting Output Shaft Speed (OSS) Sensor

   Courtesy of FORD MOTOR CO.
NOTE: It will be necessary to install the rear mount and rear brace at the same time and install the bolts for the rear mount.
Fig 3: Installing Rear Transmission Mount And Rear Brace
Courtesy of FORD MOTOR CO.
3. Install the rear transmission mount and rear brace. Install the bolts into the rear transmission mount.
4. Install the nuts for the rear transmission brace and lower the transmission onto the crossmember.
   Fig 4: Installing Nuts For Rear Transmission Brace

   Courtesy of FORD MOTOR CO.
5. Install the nuts for the transmission rear brace.
   Fig 5: Installing Nuts For Transmission Rear Brace

   Courtesy of FORD MOTOR CO.
6. Remove the transmission jack from the transmission.
7. Install the driveshaft. Refer to DRIVESHAFT .

   4x4 vehicles 

8. Install the transfer case. Refer to TRANSFER CASE .

   All vehicles 

9. Lower the vehicle.
10. Check fluid level, fill with clean automatic transmission fluid.
11. Check for correct operation.