Focus L4-2.0L (2009)
Transmission Speed Sensor: Service and Repair
Output Shaft Speed (OSS) Sensor
4F27E
Output Shaft Speed (OSS) Sensor
Output Shaft Speed (OSS) Sensor
Removal
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Place a drain pan beneath the Output Shaft Speed (OSS) sensor.
3. Remove the OSS sensor.
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Disconnect the electrical connector.
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Remove the bolt.
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Inspect the OSS bore.
4. Inspect the O-ring seal for nicks or cuts; install a new O-ring if necessary.