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Most likely a broken blend door. Check heatertreater.net for diagnostic information and an inexpensive fix.

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Q: What would cause the heater in your 2002 Jeep Grand Cherokee not to blow hot air?
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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".


What would cause the heater not to work on a 2002 jeep grand Cherokee limited?

The most common problem is with the blend doors. Check heatertreater.net for diagnostic information and an inexpensive fix.


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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".


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