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defrost&heater only blow cold air
1990 Jeep Cherokee

Defrost&heater only blow cold air

(1990 Jeep Cherokee)
blower works the air just never gets warm
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Popular Answer
You have a broken blend door. You can buy that part of the HVAC box aftermarket.
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General Diagnosis
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You have a broken blend door. You can buy that part of the HVAC box aftermarket.
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first check the fluild level of your coolent, if it is low it will blow cold air. When was the last time the termastat was checked or changed. if the above are ok it could possible be the heater core, which may cost a lot to replace. Hope this helps
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check themoster and if not pull one of the heater hoses off and see if water is going to heater cord.
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