This procedure covers the replacement of a Tire Pressure Monitoring System (TPMS) sensor on a 2011-2014 Ford F-150 with the 3.5L EcoBoost engine, including wheel removal, sensor replacement, and system relearn.

Warnings

Tools required

Parts

• TPMS sensor × 1 — Motorcraft TPMS19 or equivalent 315MHz sensor
• TPMS valve stem service kit × 1 — Includes valve core, cap, and grommet
• Tire bead lubricant × 1 — Use tire mounting lubricant or soapy water

Preparation

1. Park vehicle on level, solid surface and engage parking brake
2. Verify which wheel has the faulty TPMS sensor using scan tool or gauge tire pressures to identify problem wheel
3. Loosen wheel lug nuts 1/4 turn while vehicle is on ground
4. Chock wheels that will remain on ground
5. Ensure TPMS programming tool is charged and functioning properly

Procedure

1. 1

   Raise vehicle and remove wheel
   Lift vehicle at appropriate jacking point nearest the affected wheel. Once raised, install jack stand for safety. Remove lug nuts completely and remove wheel from hub. Set wheel aside with valve stem facing upward.
2. 2

   Deflate tire completely
   Remove valve stem cap. Use valve core removal tool to completely remove the valve core from the TPMS sensor. Allow tire to fully deflate. Store valve core in clean location if reusing.
3. 3

   Break tire bead
   Using tire irons or tire machine, break both tire beads away from the wheel rim. Work carefully around the circumference to avoid damaging the wheel or tire. Apply bead lubricant to ease separation if needed.
4. 4

   Remove tire from wheel
   Using tire irons or tire changing machine, work one bead of the tire over the rim edge. Once first bead is over, work the second bead over. Take care not to contact or damage the TPMS sensor during this process. Fully remove tire from wheel.
5. 5

   Remove old TPMS sensor
   Locate the TPMS sensor mounted to the valve stem hole in the wheel. Cut or pull the old rubber grommet and valve stem through the wheel from the outside. If sensor is band-clamp style, loosen clamp and remove sensor from wheel. Note the sensor orientation and mounting position for new sensor installation.
6. 6

   Prepare new TPMS sensor
   Remove new TPMS sensor from packaging. Install new valve stem grommet onto the sensor valve stem per manufacturer instructions. Ensure grommet is seated properly. Install new valve core finger-tight into the new sensor.
7. 7

   Install new TPMS sensor
   Insert the new TPMS sensor valve stem through the wheel hole from the inside. Pull valve stem through using valve stem puller tool or carefully by hand until grommet seats against wheel. Ensure sensor body is positioned correctly inside wheel cavity and will not contact tire bead. For band-clamp sensors, secure clamp to wheel at proper location.
8. 8

   Reinstall tire onto wheel
   Apply tire bead lubricant to both tire beads and wheel rim edges. Position tire onto wheel, aligning properly. Using tire irons or tire machine, work first bead over rim edge, then second bead. Ensure tire is seated in the center drop well of the rim and TPMS sensor is not pinched or damaged.
9. 9

   Seat tire beads and inflate
   Inflate tire to seat both beads against the rim. You may hear popping sounds as beads seat. Once beads are seated, inflate tire to the pressure specification listed on the driver door jamb placard (typically 35 psi front, 35 psi rear for F-150). Use tire pressure gauge to verify correct pressure.
10. 10

    Program TPMS sensor to vehicle
    Using TPMS programming tool, enter the vehicle year, make, and model. Follow tool instructions to program the new sensor ID to the vehicle's TPMS system for the specific wheel position. If using OBD-II scan tool, navigate to TPMS module and perform sensor learn procedure. May require activating each sensor in sequence or driving vehicle above 20 mph for auto-relearn depending on method used.
11. 11

    Reinstall wheel
    Lift wheel onto hub, aligning lug nut holes. Thread all lug nuts by hand to prevent cross-threading. Using torque wrench and star pattern, torque lug nuts in three stages: first to 50 Nm, then 100 Nm, finally to specification. This ensures even seating of wheel to hub.
    Torque spec

    Wheel Lug Nuts140 Nm (103 lb-ft)
12. 12

    Lower vehicle and final torque
    Remove jack stand and lower vehicle to ground. With vehicle weight on wheel, perform final torque check of lug nuts in star pattern to specification. Install valve stem cap on new TPMS sensor.
    Torque spec

    Wheel Lug Nuts140 Nm (103 lb-ft)

Reassembly

1. Ensure valve stem cap is installed to prevent dirt and moisture entry
2. Verify all lug nuts are torqued properly in star pattern
3. Store old TPMS sensor properly if required for core return

Verification

• Start vehicle and verify TPMS warning light illuminates briefly during bulb check, then extinguishes
• Use scan tool to verify new sensor is communicating and reporting correct pressure for the installed wheel position
• Drive vehicle above 20 mph for 5-10 minutes to ensure TPMS system recognizes all sensors
• Verify tire pressure is correct at all four tires using gauge
• Confirm no TPMS fault codes are present in vehicle computer
• Check for any air leaks around new valve stem by applying soapy water and looking for bubbles

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