Question about 2001 Jeep Cherokee

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Heat does not work

My 1991 Jeep Cherokee's heater does not work. How can I diagnose this issue?

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You can find the coolent lines into the heater through the fire wall disconect them and put pressure through the core to see if its clogged other than that possably a coolent flush cause stuff builds up in the antifreeze and clogs the lines. your heater uses the heat from the engine coolent to heat the air in the heatercore so naturally if you got bad coolent you got heating problems too

Posted on Jan 11, 2009

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Hello, I have a Grand Cherokee Laredo, 2001, 3,1TD engine. I have a issue with my heating system: The Jeep is not heating enough, reads about 60 degrees C. I have changed the the thermostat, but the...


Thermostat was the right start. The heat works by using heated coolant and pumping it through a heater core. If you take the jeep to a local garage to have the heater core flushed this should fix the problem.

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When i turn on the heat, I smell antifreeze right away then it goes away


Your heater core is leaking. The heater core on your 2001 Jeep Cherokee is responsible for providing heat in the cab of your Jeep. Overtime, he heater core can become plugged with dust or corrosion and stop working causing it to leak. The heater core is linked with the antifreeze that runs in the radiator in turn draws heat from the engine and than uses that heat to warm up the car. Most heater cores are located under the dash on the passenger side. Here is a link for how locate and remove the heater core. http://www.ehow.com/how_5332477_remove-jeep-cherokee-heater-core.html

Good luck! :)

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1 Answer

When i turn the heater on it does not blow the warm air out. How do I fix this?


There are a few things that may have gone bad that can stop your heat from working.Heater core, blend door, etc. You will have to have this problem diagnosed by someone who knows what parts to check.

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check your coolant level and check for hoses.

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there should be a small valve attached to a hose coming from the engine into the firewall this valve directs the hot engine coolant into the heater radiator in the heater box it probably is closed open it and, you should have heat then: it should be easy to find the reason it was closed

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1 Answer

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Starter...if the starter is old, it is getting heat soaked. Replace the solenoid.

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sounds like the thormostat.

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