Removing
1. Disconnect the negative cable from the battery.
2. Drain the coolant.
3. Disconnect the wiring connector M34b20.1 from the thermal switch M34b20 (see fig.2.110).
Pic. 2.110. Fan thermal switch:
1, 2. Seal,
M34b20. fan thermal switch,
M34b20.1. Fan thermal switch wiring connector,
M34b45. Boil protection sensor,
M34b45.1. Boil protection sensor wiring connector.
4. Unscrew the thermal switch M34b20.
5. Disconnect the M34b45.1 wiring connector from the M34b45 boil protection sensor.
6. Unscrew the boiling protection sensor M34b45.
Installation
7. Installation is made in an order, the return to removal. Replace seal 1 and 2.