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Most common problem is that the blend door is stuck or broken.

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Q: Why would cold air blow when the heat is on in my Jeep Cherokee?
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Related questions

Why would a 2002 grand jeep Cherokee only blow out cold air?

Bad thermostat


What could be the reasons that your 2000 Jeep Cherokee heater would randomly blow cold air and then hot air and then cold etc?

One of the reasons a 2000 Jeep Cherokee heater would randomly blow cold air and then hot air and then cold might be that there is a problem with the hot/cold duct. The air or a vent might be inadvertently blowing periodically.


Why would your 2002 Jeep Cherokee not blow cold air?

You may have a faulty expansion valve. It may prevent compressor from running long enough to cool your car.


What would cause the heater to blow cold air out on both sides of a 2001 Grand Jeep Cherokee?

The HeaterTreater is an after market kit that solves heater and AC for the Jeep Grand Cherokee and Laredo. It is much cheaper than the dealership fix and is easy to install. For diagnosis and info, check out www.heatertreater.net or search eBay for "heatertreater".


Why does heater just blow cold air in my 96 jeep Cherokee Laredo?

Most likely the blend door. Check your year model at heatertreater.net for diagnostic information and a cheap fix.


Why would the passenger side dual heat control only blow cold air while the driver side works fine on a 2002 Jeep Grand Cherokee?

The HeaterTreater is an after market kit that solves heater and AC for the Jeep Grand Cherokee and Laredo. It is much cheaper than the dealership fix and is easy to install. For diagnosis and info, check out www.heatertreater.net or search eBay for "heatertreater".


What size battery for a 2002 Jeep Grand Cherokee Laredo?

A 2002 Jeep Grand Cherokee uses a group 65 battery with 750 cold cranking amps.


How many cold cranking amps do in need for a 1999 jeep Cherokee?

625


How fast is a Jeep Grand Cherokee?

i got my 2000 jeep grand cherokee to go 110 ish but it has a spector cold air intake and a thurst muffler and oil change


Why does your jeep Cherokee 1997 limited edition blow cold air out even after changing the heater matrix and thermostat?

The HeaterTreater is an after market kit that solves heater and AC for the Jeep Grand Cherokee and Laredo. It is much cheaper than the dealership fix and is easy to install. For diagnosis and info, check out www.heatertreater.net or search eBay for "heatertreater".


What is cold start idle speed of 1995 jeep grand Cherokee?

900-1200


Cold cranking amps for 2001 jeep grand Cherokee?

625 @ zero Fahrenheit