If the 2007 Volkswagen Sagitar heater water tank needs to be disassembled, you must go to the car's 4S shop or repair shop to disassemble it. You cannot disassemble the heater water tank without authorization to avoid damaging the car's heating system. of damage.
The heat of the car heater comes from the engine coolant. When the heater is turned on, the coolant flows through the heater water tank under the center console and brings heat. If the coolant does not circulate, the high-temperature coolant cannot be sent to the heater water tank, and naturally there will be no warm air. The main reasons for the coolant not circulating are water pump failure, air in the cooling system, and insufficient coolant.
The heater water valve is located on the water inlet pipe of the heater tank. You can find it by following the cooling system pipe after opening the engine compartment. The function of the warm air water valve is to cut off the coolant circulation of the warm air water tank when the warm air is not used, which can reduce the workload of the water pump and reduce unnecessary heat loss.
Extended information:
The use of car heaters is introduced as follows:
If the heater water tank is clogged, the antifreeze cannot enter the heater water tank, or the antifreeze cannot enter the heater water tank. The flow rate becomes smaller, which will also affect the air conditioning and heating. In addition, if this thing breaks down, it will be more troublesome to repair. Most people can't do it, because it requires dismantling the entire instrument panel to find it, and it needs to be cleaned. Heating air tank.
The thermostat adjusts the heat dissipation capacity of the cooling system to ensure that the engine operates within a suitable temperature range. And if the thermostat fails, the main valve cannot open, and the antifreeze cannot dissipate heat through the water tank, which will cause the engine to overheat.
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