Tire Pressure Sensor: Service and Repair

TRANSMITTER


Removal and Installation


REMOVAL
1. Deflate tire. Unscrew transmitter retaining nut and allow transmitter to fall into tire.





2. Gently bounce tire so that transmitter falls to bottom of tire.
Place on tire changing machine and break both tire beads ensuring that the transmitter remains at the bottom of the tire.





3. Turn tire so that valve hole is at bottom and bounce so that transmitter is near valve hole. Carefully lift tire onto turntable and position valve hole (and transmitter) 270 degrees from mounting/dismounting head.
4. Lubricate tire well and remove first side of the tire. Reach inside the tire and remove the transmitter.

INSTALLATION





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

NOTE:
Always replace the seal after ever disassembly.





3. Mount transmitter on rim and tighten nut.

CAUTION:
Speed for tightening nut should be less than 10 rpm.

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 head when second side of tire is fitted.

NOTE:
Do not touch transmitter at mounting head.
5. Lubricate tire well and fit 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, the transmitter wake up operation must be performed. Transmitter Wake Up Operation.