Installing Wheel Electronics
Information
Carry out the tightening procedure to the specified torque for the valve in the rim once only. Remove the assembly pin after fitting the valve. The tire can be damaged if the assembly pin is left in the valve.
When replacing the wheel electronics unit, always use a completely new valve and a new fastening screw!
The tightening torque for wheel electronics unit/valve is 4 Nm/3 ftlb. (± 0.5 Nm/0.5 ftlb.)!
Every tire set or wheel change must be communicated to the control unit. In particular, this includes the case where wheel positions have been interchanged. For this purpose, always select the tire type and tire size under Main menu > tire pressure > Adjustments in the instrument cluster. The control unit then learns the wheel positions again once the vehicle starts driving.
- Clean the valve bore very carefully (visual inspection).
- Install the wheel electronics unit loosely at the valve (do not tighten) and position in valve bore together with valve and bead seat sealing ring.
- Fit the washer, chamfered on both sides, from outside and screw on the union nut until it is seated correctly. Visibly screw in the bore at the valve foot and block it using the supplied assembly pin. The tightening torque is 4 Nm (± 0.5 Nm)/3 ftlb. (± 0.5 ftlb.)
Information
When tightening the wheel electronics unit/valve, tighten to the specified tightening torque evenly and in one movement. The tightening process must not be interrupted.
- Remove the assembly pin after tightening the components .
- The tire can be damaged if the assembly pin is left in the valve .
- Push wheel electronics unit -A-
slightly into rim well (this adjusts the angle of inclination of valve to wheel electronics).
Carefully tighten self-locking (Torx) fastening screw T 20 to 4 Nm/3 ftlb. ± (0.5 Nm/0.5 ftlb.). Block with the supplied assembly pin while doing this. The wheel electronics unit should now be lying evenly against the rim.
Information
When coating the rim with tire mounting paste, make sure not to coat the area around the wheel electronics. Tire mounting paste must not get under the wheel electronics or into the filter area. This can damage the wheel electronics.