1. Disconnect the wire from the terminal «–» battery.
2. Drain the coolant from the engine cooling system with the heater valve fully open (see «Coolant replacement»).
3. Remove the instrument panel (see «Removal and installation of the instrument panel»).
4. Loosen the clamps and disconnect both hoses from the heater tap nozzles from inside the passenger compartment under the instrument panel (see «Removal and installation of a heater radiator»).
5. Loosen the clamps and disconnect both hoses from the heater tap nozzles in the engine compartment.
6. Turn away two nuts of fastening of the crane of a heater.
7. Remove the heater tap from the bulkhead.
8. Remove the holder of draft of the crane of a heater.
9. Disconnect draft from the lever of the crane of a heater.
10. Remove the internal ventilation ducts by disconnecting them from the heater housing.
11. Disconnect wires from the electric motor of a heater.
12. Disconnect the block with wires from the heater resistor.
13. Unscrew the two fastening nuts on the right..
14.... and the left side of the heater (a wire is fixed under the lower left nut «masses» heater fan motor), then remove the heater with the control panel.
15. Install the heater in the reverse order of removal.