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.
Is there a problem with my Jeep Wrangler JK radiator fan?
2007 – 2011 Jeep Wrangler JK Radiator Fan Problem Solved!!! If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information.
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.
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.
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.
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.
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.
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.
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 Check Engine light on on my Jeep Wrangler?
When the valve sticks open, then the engine runs cooler than normal and should cause the check engine light to illuminate. This will usually only allow the heater to blow out cold air as well, and you’ll additionally notice a loss of gas mileage.
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.
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.
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.
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.
Are there any parts for a Jeep YJ heater?
From compressors to condensers, heating cores and motors, we carry a wide selection of Jeep Wrangler YJ heating and ac parts. All of these vital components are competitively priced and are relatively easy to install on your own. *Please see product pages for any exceptions. Enter Your Email to Save Products.