What to do if your Jeep Wrangler heater is not working?
So it may be beneficial for those with newer Jeeps to take a spin to the dealership, or trusted mechanic, for a diagnosis. This is the guy in charge of blowing air across the hot heater core, through the Jeep’s ventilation system, and into the cabin.
Where is the fan on a Jeep Wrangler?
This is the guy in charge of blowing air across the hot heater core, through the Jeep’s ventilation system, and into the cabin. The fan is usually located behind the glove box and when it fails, you may still get cold or warm air through the vents, but it will be at a drastically lower pressure no matter what fan speed you select.
Why is my air conditioning not working on my Jeep Liberty?
Dana Dowling/Demand Media The air conditioning system in your Jeep Liberty compresses a refrigerant and blows the resulting cold air into the passenger cabin. When this system is not working properly, it can be because the pressure in the AC lines is too low, or because the compressor has failed.
Why is my car AC fan not working?
Another reason why your car AC fan is not working could be due to your cabin air filter. Cabin air filters serve as a filter to the outside air coming into your car to make sure it is clean and not filled with contaminants. However, if this air filter isn’t changed,…
Why is my Jeep Wrangler heater not working?
While there are a variety of reasons your Jeep Wrangler heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor. Get your Jeep issue diagnosed by a professional.
What should I do if my Jeep Wrangler blower is not working?
Jerry – You had mentioned that if the blower fan simply didn’t work at all you should look into replacing the switch plug. I have replaced the switch and the resistor and still no fan. Both of the fuses (behind the glove box and under the hood) appear to be working. Where can I find the blower fan to test it? Newbie Jeep owner here – 2000 TJ w/2.5.
This is the guy in charge of blowing air across the hot heater core, through the Jeep’s ventilation system, and into the cabin. The fan is usually located behind the glove box and when it fails, you may still get cold or warm air through the vents, but it will be at a drastically lower pressure no matter what fan speed you select.
Why does my Jeep Grand Cherokee Fan quit working?
In this one we take a stab at permanently fixing a common issue with the 1999-2004 Jeep Grand Cherokee. The electric cooling fan will quit working, and your jeep will overheat, due to a failure in the electronic fan control relay. This is a heat related failure and I add a large heat sink and relocate the relay to try and avoid further issues.
Why does my Jeep Wrangler only blow cold air?
At this point you can also verify that this was the issue by manually moving lever arm. Horizontal allows cold air to flow, vertical allows hot. 8. Reassemble in reverse order and enjoy!
Where does the heat come from in a Jeep Wrangler?
And it comes, basically, from heat generated by the engine. When your Jeep reaches its optimal temperature, its thermostat opens and allows that coolant from the cooling system to flow through the engine, removing heat and sending it into the radiator, then into the heater core which, ultimately, distributes it into the Jeep.
Where is the temperature knob on a Jeep Wrangler?
Next I checked if the heater air flow main actuator was working which is where I found the issue. It’s extremely tight but if you look or feel with your hand under the drivers side all the way against the console, there is a white plastic lever arm that should move when you adjust the temperature knob between hot and cold.
Where does the heat vent go in a Jeep Wrangler?
Because of the way air flows through the core and into the ducts, air to the driver’s side vent flows through the driver’s side of the core and the air to the passenger side flows through the passenger side of the core.
So it may be beneficial for those with newer Jeeps to take a spin to the dealership, or trusted mechanic, for a diagnosis. This is the guy in charge of blowing air across the hot heater core, through the Jeep’s ventilation system, and into the cabin.
At this point you can also verify that this was the issue by manually moving lever arm. Horizontal allows cold air to flow, vertical allows hot. 8. Reassemble in reverse order and enjoy!
Why is my Jeep Wrangler fan not working?
You may also hear a grinding or rattling noise from the fan area indicating a fan blade or or bearing issue. In the summer months, this kind of failure doesn’t really matter much—especially if you drive with the Jeep top down a lot. It also is unlikely to affect other components of the vehicle. In the winter, though, now it can become an issue.
Why does my Jeep Wrangler have no coolant?
However, even if there is no coolant smell, but an issue with the heater, it is a good idea to check these hoses for heat. If the engine is warm, then you should feel heat from the hoses as well. If not, then the coolant is not circulating properly and you could have air in the lines or a clogged heater core that needs a flush.
Why does my Jeep Wrangler heater smell bad?
A defective hose, whether it is a connection issue, rot, or they are torn in some way, can cause coolant to leak and you’ll should smell coolant in the engine bay. If that coolant splashes onto the heater core, then the smell probably will intrude into the cabin.
How does the heater on a Jeep Liberty work?
At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core. At this point, the blower motor blows air across the it and the newly heated air blows on to the driver and passengers. If the heater has stopped working in your Liberty, this process has failed in one way or another.
Why is my car AC not blowing cold air?
Therefore, it is possible that your car is low on refrigerant that is preventing your air conditioning from working properly. This is the most common reason for why your car’s AC is not blowing cold air.
Why is my Jeep Grand Cherokee not working properly?
My 2011 Jeep Cherokee has been in 6 times now for the AC and heat. It’s always the passenger side. Warm air for the AC and cool air for the heat. It’s in right now they are say it’s no longer covered under warranty. Since its been an on going problem since I bought the Jeep I think it should be covered. I don’t know what to do.
However, even if there is no coolant smell, but an issue with the heater, it is a good idea to check these hoses for heat. If the engine is warm, then you should feel heat from the hoses as well. If not, then the coolant is not circulating properly and you could have air in the lines or a clogged heater core that needs a flush.
Why is the upper vent not working on my Jeep Wrangler?
It will not switch into upper vent mode, only have the option to have it all on my feet, or feet and windshield. I searched but didnt find any real solutions. Help? Anyone else have this issue? That’s a cable-driven switch in the YJ’s, not sure about TJ’s though.
Is the TJ Wrangler heater blowing warm air?
Bought a 2002 TJ Wrangler over the summer and love it. Issue is that it is blowing warm (not hot) air from the heater. I read hundreds of posts on this and think I have done/checked everything. Coolant level is fine. Temperature is running at 210 degrees.
Why does my Jeep Wrangler TJ have no heat?
Heater not working in my Jeep Wrangler TJ. I tried flushing the heater core that wasn’t the problem. everything else worked just no hot air blowing from the vent. The problem was the heater door Actuator. I show how to trouble shoot and install Heater door Actuator. http://www.oreillyauto.com/site/c/sea… https://www.amazon.com/Dorman-604-020…
Where is the heater on a Jeep Wrangler?
After a couple hours I was able to diagnose and fix the issue. First thing I checked was that I had heat on both the inlet and outlet pipes of the heater core which I did. This verified good water flow through the core and that it wasn’t clogged. You can find these two pipes on the passenger side against center console.
A defective hose, whether it is a connection issue, rot, or they are torn in some way, can cause coolant to leak and you’ll should smell coolant in the engine bay. If that coolant splashes onto the heater core, then the smell probably will intrude into the cabin.
What happens when your Jeep Compass heater stops working?
At this point, the blower motor blows air across the it and the newly heated air blows on to the driver and passengers. If the heater has stopped working in your Compass, this process has failed in one way or another.
Why is my car heater not blowing warm air?
If your car is not blowing warm air into the cabin and the coolant level is fine, then you could have an issue with your heater core. If you suspect that something is amiss with your car’s heater core, watch for these signs:
And it comes, basically, from heat generated by the engine. When your Jeep reaches its optimal temperature, its thermostat opens and allows that coolant from the cooling system to flow through the engine, removing heat and sending it into the radiator, then into the heater core which, ultimately, distributes it into the Jeep.
What does it mean when your car heater is not working?
There are two hoses coming to and from the heater core. They both should feel warm or hot to the touch with the engine on. If one of the hoses is hot, and the other one is cold, that is a pretty good indication that the heater core is clogged. If the neither hose has any heat, you may have air in the cooling system, low fluid, or low pressure.