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Ieatcamaros · 12-15-2005, 09:18 PM

If it's the heater core, your windshield will fog up with the defroster on. Or, you will see a wet spot on the passenger side carpet. Does the temperature gauge work? That should help diagnose. You can check your heater hoses like before mentioned. Also, how warm does the upper radiator hose feel?

12-15-2005, 09:18 PM	#3
Ieatcamaros Domestic Rice really sucks! Join Date: Apr 2002 Location: KY Posts: 973	Re: 86 5.0 Not Heating Up If it's the heater core, your windshield will fog up with the defroster on. Or, you will see a wet spot on the passenger side carpet. Does the temperature gauge work? That should help diagnose. You can check your heater hoses like before mentioned. Also, how warm does the upper radiator hose feel? __________________ The sig says it all.