Thermostat and/or heater core may be defective
this is not an answer just an update. coolant is filled
Could be a plugged heater core. Check the engine temp guage. if it is getting warm, your heater core could be plugged or restricted.
one because it is set on air only .. u need to shift it to warm first the RED mark...Secondly your heater wire must have come loose in the electricals. you should check out blendor store.com we had the same problem with our jeep, very helpful.
it is more than likely it is your heater blend door, it opens up to allow warm air to circulate. It cost me 350 to have the dealer fix it.
Engine will overheat or not get warm enough. As in the heater will only put out warm air. When you suspect that the thermostat may be defective, just replace it. Very inexpensive part.Engine will overheat or not get warm enough. As in the heater will only put out warm air. When you suspect that the thermostat may be defective, just replace it. Very inexpensive part.
There are several potential reasons why the heater in your Jeep Grand Cherokee may not be working. Common issues include low coolant levels, a faulty thermostat, a malfunctioning heater core, or problems with the HVAC controls. Additionally, a blocked or damaged heater hose can also prevent warm air from reaching the cabin. It's advisable to check these components or consult a mechanic for a thorough diagnosis.
In a 2002 Jeep Liberty Sport, the heater core is located inside the vehicle's dashboard, towards the passenger side. To access it, you'll typically need to remove the dashboard and some associated components, as it is part of the heating and ventilation system. The heater core is connected to the engine's cooling system and allows warm air to be circulated into the cabin when the heater is in use.
Thermostat stuck open, heater core clogged, or the heater temperture control vlalve is defective.
if the heater does not blow out warm air change the setting.
Yes, some Jeep Wrangler models come equipped with a block heater, which is typically used in colder climates to help warm the engine. However, not all models have this feature, so it's essential to check the specific model and year of your Jeep Wrangler. If your vehicle doesn’t have a built-in block heater, aftermarket options may be available. Always consult your owner's manual or a dealership for detailed information.
Low on coolant. Bad thermostat. Plugged heater core. Temp blend door inop.
heater on at idle and will not blow warm air. when moving it blows the warm air from the vents. what will cause this