VW Polo manuals

Volkswagen Polo Service & Repair Manual: Tire Pressure Sensor and Metal Valve, Removing and Installing

Special tools and workshop equipment required
Torque Wrench 1410 -VAG1410- and Torque Wrench 1331 5-50Nm -VAG1331-
–  Place metal valve with rubber seal through rim from inside.
–  Attach chamfered washer and union nut from outside and tighten by hand.
–  Tighten the union nut.
  Note
If equipped handle the glued-on wheel trim carefully. Surface slightly scratched.
Replace the damaged rim wheel trim.
1)  TPMS direct measuring. The wheel electronics are installed inside the wheel on the metal valve; the tire pressure and temperature values are transmitted and evaluated periodically.
2)  TPMS + indirect measuring. There are no wheel electronics installed inside the wheel. With the help of the ABS sensors, the TPMS compares the speed and rolling circumference of the individuals wheels. The loss of pressure is determined indirectly. If there is a change in the tire pressure, then the speed and the rolling circumference of wheel will also change.
3)  TPMS indirect measuring. There are no wheel electronics installed inside the wheel. With the help of the ABS sensors, the TPMS compares the rolling circumference of the individual wheels. The loss of pressure is determined indirectly. If there is a change in the tire pressure, then the speed of the tire will also change.
   
–  Secure against turning with counterhold -1- (for example, a 2 mm drill bit).
  Note
If equipped handle the glued-on wheel trim carefully. Surface slightly scratched.
Replace the damaged rim wheel trim.
Tightening Specifications. Refer to → Anchor.
 

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