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Home >> Porsche >> 2021 >> Panamera Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (44 Wheels, Tyres, Suspension Alignment 3.0L Turbo -- 971 - PANAMERA (971)) >> WM, 443219 Removing And Reinstalling Wheel Electronics >> Removing And Reinstalling Wheel Electronics >> Installing Wheel Electronics

Installing Wheel Electronics

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Every new set of wheels or wheel change must be communicated to the control unit. In particular, this is necessary when wheel positions have been interchanged. For this purpose, always select the tyre type and tyre size under Main menu →  TPM →  Tyre type in the instrument cluster. The control unit then learns the wheel positions again while the vehicle is driving.

  1. Clean the valve bore very carefully (visual inspection). 

    Information 

    When replacing the wheel electronics:

    • Always use completely new valves. 
    • Always use new bolts. 
  2. Fit the wheel electronics unit loosely at the valve (do not tighten) and position it in the valve bore together with the new valve.

    Information 

    • Counter at the new valve while fastening with an assembly pin (supplied with the new valve). 
    • This prevents the valve-end seal from turning and thus possible damage. 
  3. 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.
    G15891485Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Wheel electronics mounting

  4. Push the wheel electronics unit -1-  slightly into rim well (this adjusts the angle of inclination of valve to wheel electronics).
    G15891486Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Overview of wheel electronics

    Information 

    • Carry out the screw on the wheel electronics unit/valve evenly and in one turn. 
    • Do not interrupt the tightening process. 
    • Remove the assembly pin after tightening the components. 
  5. Tighten self-locking (Torx) screw to the specified tightening torque.

    The wheel electronics unit should be resting evenly against the rim! 

    The wheel electronics must not come into contact with tyre mounting paste or solvent.

  6. When mounting tyres, ensure absolute cleanliness around the wheel electronics unit.