Tire Pressure Sensor: Service and Repair

REMOVAL AND INSTALLATION


Transmitter (Pressure Sensor)


REMOVAL
1. Remove wheel and tire using power tool.
2. Deflate tire. Unscrew transmitter retaining nut and allow transmitter to fall into tire.





3. Gently bounce tire so that transmitter falls to bottom of tire.
Place wheel and tire assembly on tire changing machine and break both tire beads. Ensure that the transmitter remains at the bottom of the tire while breaking the bead.





4. Turn tire so that valve hole is at bottom, and gently bounce the tire to ensure transmitter is near valve hole. Carefully lift tire onto turntable and position valve hole (and transmitter) 270 degrees from mounting/dismounting head.
5. Lubricate tire well, and remove top side of tire. Reach inside the tire and remove the transmitter.
6. Remove the second side of the tire as normal.

INSTALLATION





1. Place first side of tire onto rim.
2. Apply suitable silicone lubricant to new transmitter seal then install seal on transmitter. Maintenance Maintenance.

NOTE:
Always replace the seal after every disassembly.





3. Mount transmitter on rim and tighten nut.

NOTE:
Make sure no burrs exist in the valve stem hole of the wheel.

Transmitter nut : 7.7 N.m (0.79 kg-m, 68 in-lb)






4. Place wheel on turntable of tire machine. Ensure that transmitter is 270 degrees from mounting/dismounting head.

NOTE:
Do not touch transmitter with mounting head.
5. Lubricate tire well, and install second side of tire as normal.
Ensure that tire does not rotate relative to rim.
6. Inflate tire and balance the wheel and tire assembly. Adjustment.
7. Install wheel and tire assembly in appropriate wheel position on vehicle. Adjustment.

NOTE:
If replacing the transmitter, then transmitter wake up operation must be performed. Transmitter Wake Up Operation.