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If you have no heat in your 02 grand Cherokee limited blower works heater lines are hot good circulation just no heat comes out?Maybe blocked heater core. Also check thermostat.

Your problem is with the blend doors in the GC. Check the HeaterTreater eBay listings for diagnostic information and a fix.

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Q: If you have no heat in your 02 grand Cherokee limited blower works heater lines are hot good circulation just no heat comes out?
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