Digital Transmission Range (TR) Sensor: Installation

2009 Mercury Milan Premier, 3.0 1, AWDSECTION Installation
WARNING: This page is about a different car, the 2010 Mercury Milan and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the TR  sensor.
    1. Install the TR  sensor and park pawl actuating rod in the transaxle case.
    2. Install the manual shaft in the transaxle case through the TR  sensor.
    Fig 1: Identifying TR Sensor And Park Pawl Actuating Rod
    G06278363Courtesy of FORD MOTOR CO.
  2. Inspect the manual pin to make sure it is correctly installed in the manual valve. If it is not, pull the manual control lever shaft out and correctly install the manual pin in the manual valve and position the manual control lever shaft in place.
    Fig 2: Locating Manual Pin
    G06278364Courtesy of FORD MOTOR CO.
  3. Using a suitable tool, install a new TR  sensor locking pin.
    Fig 3: Installing TR Sensor Locking Pin
    G06278365Courtesy of FORD MOTOR CO.
  4. Install the TR  sensor detent spring and the bolt.
    • Tighten to 13 Nm (115 lb-in).
    Fig 4: Locating Bolt And TR Sensor Detent Spring
    G06278366Courtesy of FORD MOTOR CO.
  5. Connect the TR  sensor electrical connector.
    Fig 5: Locating TR Sensor Electrical Connector
    G06278367Courtesy of FORD MOTOR CO.
  6. Clean the main control cover sealing surface.
    Fig 6: Locating Main Control Cover Sealing Surface
    G06278368Courtesy of FORD MOTOR CO.
  7. Apply silicone to the main control sealing surface of the transaxle case.
    Fig 7: Applying Silicone To Main Control Sealing Surface Of Transaxle Case
    G06278369Courtesy of FORD MOTOR CO.
  8. Position the main control cover in place.
    Fig 8: Locating Main Control Cover
    G06278370Courtesy of FORD MOTOR CO.
  9. NOTE: Inspect the main control cover grommet to make sure that the seal is on the inside of the main control cover. Transmission fluid leak will occur.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.