Note: The refrigerant circuit remains sealed, the fitting with the valve. If the refrigerant comes out for more than 1 second when unscrewing the sensor, the check valve is faulty. Tighten the sensor again and replace the pipeline with the check valve.
Switch off the ignition and all electrical consumers. Disconnect connector "2". Unscrew the high-pressure sensor "1". Tightening torque: 8 Nm. Replace the sealing ring, moisten it with oil and carefully install it.
Checking the work
The operation of the high pressure sensor "G65" is checked in the self-diagnostic mode of the air conditioning control unit "J301".
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