Park System: Removal

All vehicles 

1. With the vehicle in PARK, position it on a hoist. For additional information, refer to JACKING & LIFTING .

   Four-Wheel Drive (4WD) vehicles 

2. Remove the transfer case. For additional information, refer to TRANSFER CASE .

   Rear Wheel Drive (RWD) vehicles 

NOTE: It may be necessary to tap the driveshaft yoke with a plastic or rubber soft-faced hammer if a pry area is not present on the driveshaft side.
NOTE: Index-mark the driveshaft flanges.
3. Remove and discard the 4 driveshaft-to-transmission flange bolts. Disconnect the driveshaft from the transmission.
   • Using mechanic's wire, support the driveshaft.
     Fig 1: Locating Mark On Driveshaft

     Courtesy of FORD MOTOR CO.
4. Remove the output shaft flange.
   1. Remove and discard the output shaft flange bolt.
   2. Remove the output shaft flange.
      Fig 2: Identifying Output Shaft Flange And Bolt

      Courtesy of FORD MOTOR CO.

   All vehicles 

NOTE: The transmission insulator studs may come out of the insulator while removing the insulator-to-crossmember nuts. Install new transmission insulator studs if the studs come out.
5. Remove the transmission support crossmember. For additional information, refer to FULL FRAME AND BODY MOUNTING .
6. Remove the transmission insulator from the extension housing.
   • Discard the bolts.
     Fig 3: Locating Transmission Insulator-To-Extension Housing Bolts

     Courtesy of FORD MOTOR CO.
7. Disconnect the Output Shaft Speed (OSS) sensor.
   Fig 4: Locating Output Shaft Speed (OSS) Sensor

   Courtesy of FORD MOTOR CO.
8. Using the Output Shaft Locknut Socket, remove and discard the output shaft retaining nut.
   Fig 5: Removing Output Shaft Retaining Nut Using Output Shaft Locknut Socket

   Courtesy of FORD MOTOR CO.
9. Remove the extension housing-to-case bolts and the transmission extension housing.
   Fig 6: Locating Extension Housing-To-Case Bolts

   Courtesy of FORD MOTOR CO.
10. Remove and discard the extension housing gasket.
    Fig 7: Locating Extension Housing Gasket

    Courtesy of FORD MOTOR CO.
11. Remove the parking rod guide plate-to-case bolts and parking rod guide plate.
    Fig 8: Locating Parking Rod Guide Plate-To-Case Bolts

    Courtesy of FORD MOTOR CO.
12. Remove the park pawl components.
    1. Remove the park pawl return spring.
    2. Remove the park pawl.
    3. Remove the park pawl shaft.
       Fig 9: Identifying Park Pawl, Return Spring And Shaft

       Courtesy of FORD MOTOR CO.
13. Inspect the output shaft and park gear for damage.
    1. Inspect the park gear for damage.
    2. Inspect the OSS gear for damage.
       Fig 10: Identifying Park And OSS Gears

       Courtesy of FORD MOTOR CO.
14. If damage is found to either the OSS or park gears, remove the park gear and output shaft as an assembly.
    Fig 11: Locating Park Gear And Output Shaft Assembly

    Courtesy of FORD MOTOR CO.
NOTE: The park gear and OSS gear may be present on the output shaft.
Fig 12: Locating Park And OSS Gears
Courtesy of FORD MOTOR CO.
15. Remove the park and OSS gear from the output shaft.
16. Remove the output shaft park gear thrust washer.
    Fig 13: Locating Output Shaft Park Gear Thrust Washer

    Courtesy of FORD MOTOR CO.
17. Inspect the Teflon® seals in the rear of the case. If the seals are worn or damaged, install new scarf cut seals.
    Fig 14: Locating Scarf Cut Seal

    Courtesy of FORD MOTOR CO.