1. Disconnect the wire from the terminal «minus» battery.
2. Remove heater (see «Removal and installation of a heater radiator»).
3. Remove the ventilation hose from the brush assembly of the fan motor.
4. Turn out three screws of fastening..
5.... and remove the fan motor from its housing.
Note. It looks like a fan motor assembly with an impeller.
Note. In the event of a malfunction of the electric motor or impeller, the entire assembly must be replaced, since an attempt to remove the impeller from the motor shaft will lead to its breakdown.
Note. It is impossible to independently balance the impeller. It is balanced assembled with an electric motor at the factory on specialized diagnostic stands by installing balancing brackets on the fan blades.
6. Install the fan motor in the reverse order of removal.