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Home > TPMS News > Huf Generation 2 TPMS valve stem installation
We have had al ot of questions about the difference in the Gen 1 vs. Gen 2 TPMS valve stem from Huf.

Please refer to the following:

Installation instructions:
Generation 1:
1. Before inserting the valve, please ensure that the valve hole and the surface of the rim are cleaned and
even to allow for proper sealing.
2. Insert valve through rim of wheel.
3. Insert metal rod into the side hole on the bottom of the valve beneath the rim lip.
4. Place washer over the top of the valve and then tighten the nut to 4Nm of torque.
5. Take screw and affix the sensor making sure the sensor is in full contact with the rim.
6. Tighten the bottom screw using a hex driver to 4Nm.
7. Install tire on the rim as directed for all TPMS sensors.
8. Tighten the valve cap to complete the process.

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Generation 2:
1. Before inserting the valve, please ensure that the valve hole and the surface of the rim are cleaned and
even to allow for proper sealing.
2. Insert screw into the slotted hole of the sensor making sure that the flats of the square fit inside the
edges of the holes.
3. While holding the screw in the hole, tighten the screw into the sensor 3 or 4 full revolutions making sure
not to over tighten the valve. You should be able to have free travel the full length of the slot.
4. Insert the loosely assembled valve stem into the hole of the rim.
5. Tighten the nut with washer two turns to get it hand tight.
6. While holding the sensor against the drop center of the rim and grommet against the sealing surface
torque the nut until the shear washer tears free.
7. After the shear washer tears free you will tighten several more revolutions until you reach 4Nm ± 0.5Nm.
8. Tighten the valve cap to complete the process.


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