problem-heating-jeep-grand-cherokee

How a heater works on a grand cherokee jeep

In the middle of winter, heating is essential on the road when you go to work. When it no longer works we notice it quickly. In this case before knowing what the problem comes from, it is essential to know how it works on the famous jeep grand cherokee, at least in a simplified way. The heating uses the heat from the engine block to be able to raise the temperature of the personalised tour, then very often from the cooling system. Therefore this system has several functions. In addition, the fan system, so that air enters the cabin has a double system. It's the ventilateur which emits air when the vehicle is driving slowly or is stopped, then it is the speed of the vehicle which will send air when you drive faster. Pretty well thought out right?

Recurring heating problems on a jeep grand cherokee

Broken thermostat

The concept is simple, assuming that the thermostat that allows you to adjust the temperature does not really capture the degree of heat of the cooling circuit, the whole of the latter is affected. Even if the thermostat of the famous jeep grand cherokee does not activate well, the heating will still work. Because the heat produced by the engine block will increase progressively, so will the cooling circuit, whether it is regulated or not. The only annoyance is that you will have trouble setting the heat output.

Air flaps blocked on jeep grand cherokee

This is a problem that happens quite often. These shutters, which allow you to direct the air or adjust the intensity, sometimes get blocked over time. To remedy this it is simple, remove the cover and look inside how it was done. Activate the mechanisms to see where it is blocking. Put a little WD 40 to lubricate and voila.

Faulty fan on grand cherokee jeep

As you can imagine, the fan is effective only at low speed and stopped. In case this heater does not generate too much air at low speed and you nevertheless hear noise, it is good that your fan is probably going to run out. In general, thanks to a fast pace the heating of the famous jeep grand cherokee will be able to work. Assuming that the fan does not activate in any way, it will have to be replaced by a new one.

Blocked hoses

The symptoms turn out to be fairly obvious. When your heating works but does not heat or little, the problem probably comes from the hoses. These become blocked over time and do not allow hot water to access the heating of the famous jeep grand cherokee. In this specific case, remove dirt from the hoses or replace them with new ones.

Air pocket in the grand cherokee jeep circuit

The symptom is sometimes the same as those of the hoses. If air bubbles are embedded in the heart of the circuit, hot water will also have trouble accessing the heating radiator of this famous jeep grand cherokee. In this case, you just need to purge the circuit.

Conclusion

You now know what may be causing your problem. That said it may be the reason on the other hand, for example the air duct of the famous jeep grand cherokee congested, or a broken valve, but it is still quite rare. You can write a comment in case this article served you. Good road !