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Wheel electronics (TPM) - Beru system > < Changing a tyre

A1

Removing and installing metal valve body
Removing and installing metal valve body
Special tools and workshop equipment required
   
t  Torque wrench -V.A.G 1410- and tool insert-V.A.G 1331- (11 mm)
–  Push metal valve with rubber seal through the rim from the inside.
–  Fit the chamfered washer and union nut from outside and screw in by hand.
–  Tighten union nut.
  Note
t  On rims with bonded wheel trims, take care not to scratch the wheel trims.
t  Wheel trims have a very sensitive surface.
t  If a wheel trim is damaged, the rim must be renewed.
  W00-0554
t  The wheel trim cannot be renewed.
Tightening torque of union nut
  A44-10265
Model, typeSystemCountryNm
A1, 8XTyre monitor display (TMD+): indirect measurement → RemarkUSA and Rest of World------
A3, 8PDirect measurement, Siemens → RemarkUSA8 Nm
A3, 8PTyre monitor display (TMD): indirect measurement → RemarkRest of World------
A4, 8EDirect measurement, Beru → RemarkUSA and Rest of World4 Nm
A4, 8KDirect measurement, Siemens → RemarkUSA 8 Nm
A4, 8KTyre monitor display (TMD+): indirect measurement → RemarkRest of World------
A5, 8TDirect measurement, Siemens → RemarkUSA 8 Nm
A5, 8TTyre monitor display (TMD+): indirect measurement → RemarkRest of World------
S5, 8TDirect measurement, Siemens → RemarkUSA 8 Nm
S5, 8TTyre monitor display (TMD+): indirect measurement → RemarkRest of World------
A5, S5 Cabriolet, 8FDirect measurement, Siemens → RemarkUSA 8 Nm
A5, S5 Cabriolet, 8FTyre monitor display (TMD+): indirect measurement → RemarkRest of World------
A6, 4BDirect measurement, Beru → RemarkUSA and Rest of World4 Nm
A6, 4FDirect measurement, Beru → RemarkUSA and Rest of World4 Nm
RS 6, 4FDirect measurement, Beru → RemarkUSA and Rest of World6 Nm
A6, 4GTyre monitor display (TMD+): indirect measurement → RemarkUSA and Rest of World------
A7, 4GTyre monitor display (TMD+): indirect measurement → RemarkUSA and Rest of World------
A8, 4EDirect measurement, Beru → RemarkUSA and Rest of World4 Nm
A8, 4HTyre monitor display (TMD+): indirect measurement → RemarkUSA and Rest of World------
Q5, 8RDirect measurement, Siemens → RemarkUSA 8 Nm
Q7, 4LDirect measurement, Beru → RemarkUSA and Rest of World4 Nm
Q7, 4L - 12-cylinderDirect measurement, Beru → RemarkUSA and Rest of World4 Nm
TT, 8JDirect measurement, Siemens → RemarkUSA 8 Nm
TT, 8JTyre monitor display (TMD+): indirect measurement → RemarkRest of World------
R8, 42Direct measurement, Beru → RemarkUSA and Rest of World6 Nm

All other models: 4 Nm
1)  Tyre pressure monitoring (TPM): direct measurement. Wheel electronics fitted at metal valve on wheel; values for pressure and temperature periodically transmitted to vehicle and evaluated.
2)  Tyre monitor display (TMD+): indirect measurement. No electronic components installed in wheel. Rolling circumference and vibration characteristics of the individual wheels are compared by analysing signals from ABS sensors. A loss of tyre pressure is diagnosed indirectly. The speed and vibration characteristics of the wheel change in the event of a drop in the inflation pressure.
3)  Tyre monitor display (TMD): indirect measurement. No electronic components installed in wheel. Rolling circumference of the individual wheels is compared by analysing signals from ABS sensors. A loss of tyre pressure is diagnosed indirectly. The speed of the wheel changes in the event of a drop in the inflation pressure.
   
–  Use a suitable tool -1- (e.g. Ø 2 mm drill bit) to prevent turning.
  Note
t  On rims with bonded wheel trims, take care not to scratch the wheel trims.
t  Wheel trims have a very sensitive surface.
t  If a wheel trim is damaged, the rim must be renewed.
  A44-0085
t  The wheel trim cannot be renewed.
  A44-10265

Wheel electronics (TPM) - Beru system > < Changing a tyre