Transmission Speed Sensor: Service and Repair

2012 Ford Fusion FWD L4-2.5LSECTION Service and Repair



Vehicle Speed Sensor (VSS)













Removal and Installation

1. With the vehicle in NEUTRAL, position it on a hoist.

2. Disconnect the Vehicle Speed Sensor (VSS) electrical connector.





3. Remove the VSS (Vehicle Speed Sensor) bolt.
- To install, tighten to 9 Nm (80 lb-in).


4. Remove the VSS (Vehicle Speed Sensor).
- Discard the O-ring.


5. To install, reverse the removal procedure.
- Apply clean manual transaxle fluid to a new O-ring and install it on the VSS (Vehicle Speed Sensor).

RENDER: 1.0x

NO RELATED

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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.