jeep grand cherokee heater not working
01-23-2013, 08:51 PM
#1
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Year: 96
Model: Cherokee
Engine: 4.0l
jeep grand cherokee heater not working
I have a 99 grand cherokee. My heat is taking way too long to get even a little warm. I need help diagnossing the problem. Any ideas?
01-23-2013, 09:28 PM
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Year: 94
Model: Cherokee
Engine: 4.0 I6
If your heater control valve is working properly, it probably is a clogged heater core. Make sure both heater hoses are warm. If they are, make sure your heater control valve opens when you turn the heat on. If one hose is cool, flush your heater core.
01-23-2013, 09:37 PM
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Year: 94
Model: Cherokee
Engine: 4.0 I6
Hold on.. '99 Grand cherokees don't have heater control valves. See if both hoses are hot.
Last edited by 2doors; 01-23-2013 at 09:41 PM.
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