Output Shaft Speed (OSS) Sensor: Installation

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

Install the OSS sensor and the bolt.
- Tighten to 10 Nm (89 lb-in).
  
  Fig 1: Locating OSS Sensor Bolt
  Courtesy of FORD MOTOR CO.

NOTE: If cleaning the main control assembly or inspecting the valves, refer to MAIN CONTROL VALVE BODY . If installing a new main control assembly, continue with this procedure.

Fig 2: Identifying Main Control-To-Transaxle Case Separator Plate

Courtesy of FORD MOTOR CO.

Position the OSS and TR sensor wiring harnesses aside and install the main control-to-transaxle separator plate.

NOTE: Make sure that the manual lever pin (part of the TR sensor) is correctly installed in the manual valve.

Fig 3: Locating Manual Lever Pin

Courtesy of FORD MOTOR CO.

Install the main control.

NOTE: Make sure not to pinch the Output Shaft Speed (OSS) or Transmission Range (TR) sensor wiring harnesses when installing the main control or damage to the sensors can occur.

NOTE: Install the different length bolts in the locations noted during disassembly.

Install the main control valve body, the main control valve body nut and the 22 main control valve body bolts. Tighten in a crisscross pattern.
- Tighten to 10 Nm (89 lb-in).
  
  Fig 4: Locating Main Control Valve Body Nut And Bolts
  Courtesy of FORD MOTOR CO.
Route the OSS sensor wiring harness and connect the electrical connector.

Fig 5: Locating Output Shaft Speed (OSS) Sensor Electrical Connector
Courtesy of FORD MOTOR CO.
Connect the TR sensor electrical connector.

Fig 6: Locating Transmission Range (TR) Sensor Electrical Connector
Courtesy of FORD MOTOR CO.
Install the main control-to-main control cover grommet.

Fig 7: Locating Main Control Cover Grommet
Courtesy of FORD MOTOR CO.
Clean the main control cover sealing surface and inspect for damage.

Fig 8: Locating Main Control Cover Sealing Surface
Courtesy of FORD MOTOR CO.
Apply silicone to the main control sealing surface of the transaxle case.

Fig 9: Locating Silicone Applying Area On Transaxle Case Main Control Sealing Surface
Courtesy of FORD MOTOR CO.
Position the main control cover in place.

Fig 10: Locating Main Control Cover
Courtesy of FORD MOTOR CO.

NOTE: Inspect the main control-to-main control cover grommet to make sure that the seals is on the inside of the main control cover. Transmission fluid leak will occur.

NOTE: Install the stud bolts in the locations noted during disassembly.

Tighten the 8 main control cover bolts and 5 stud bolts.
- Tighten to 12 Nm (106 lb-in).
  
  Fig 11: Locating Main Control Cover Bolts And Stud Bolts
  Courtesy of FORD MOTOR CO.
Position the transmission fluid cooler tube bracket and transmission fluid cooler tube assembly in place and install the 2 nuts.
- Tighten to 9 Nm (80 lb-in).
  
  Fig 12: Pulling Transmission Fluid Cooler Tube Bracket And Tubes From Transaxle
  Courtesy of FORD MOTOR CO.
Connect the transaxle vehicle harness electrical connector.

Fig 13: Locating Transaxle Vehicle Harness Electrical Connector
Courtesy of FORD MOTOR CO.
Connect the transaxle electrical wiring harness retainers to the transmission fluid pan stud bolts.

Fig 14: Locating Transaxle Electrical Wiring Harness Retainers
Courtesy of FORD MOTOR CO.
Install the LH splash shield and the retainers.

Fig 15: Locating LH Splash Shield Retainers
Courtesy of FORD MOTOR CO.
Fill with clean transmission fluid to the correct level.