
Usually the heater is removed to replace the evaporator or to repair the heater.
Before completing the task, we discharge the air conditioning system, for this:

We remove the fan in case of a malfunction, as well as when removing the radiator of the engine cooling system

According to the regulations of this car, the engine oil and oil filter are supposed to be replaced after 15 thousand km

We replace the vacuum brake booster when it fails. If the vacuum booster is faulty, the force on the brake pedal increases significantly