Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Ford Mustang V8-5.4L SCFACTORY OEM SERVICE PROCEDURE
Transmission Position Sensor/Switch: Service and Repair
5R55S
Digital Transmission Range (TR) Sensor
Removal
1. With the vehicle in NEUTRAL, position it on a hoist.
2. WARNING: Secure the assembly to the jack. Avoid any obstructions while lowering and raising the jack. Contact with obstructions may cause the assembly to fall off the jack, which may result in serious personal injury.
Using a suitable transmission jack, support the transmission.
3. Remove the transmission crossmember-to-floor pan screws and lower the transmission enough to gain access to the Transmission Range (TR) sensor.
4. Disconnect the TR sensor connector.
5. Disconnect the transmission selector lever cable from the manual control lever.
6. Remove the TR sensor screws and remove the TR sensor.
Installation
1. NOTICE: The Transmission Range (TR) sensor must fit flush against the boss on the case to prevent damage to the sensor.
Install the TR sensor and loosely install the screws.
2. NOTICE: Tightening one screw before tightening the other may cause the sensor to bind or become damaged.
NOTE: The manual control lever must be in the NEUTRAL position.
Using the TR Sensor Alignment Gauge, align the TR sensor and tighten the screws in an alternating sequence.
- Tighten 8 Nm (71 lb-in).
3. Connect the transmission selector lever cable to the manual control lever.
4. Connect the TR sensor connector.
5. Install the transmission crossmember-to-floor pan screws.
- Tighten to 63 Nm (46 lb-ft).
6. Verify that the selector lever cable is adjusted correctly.
Factory Service Tools
Use the Manual With the Right Hardware
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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.