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Old 03-21-2007, 05:18 PM
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heater problem in 1982 Camaro

I have a 1982 Camaro with a 2.8. I replaced the heater core, blower motor and control panel and still have no heat.

Anyone have any ideas on what could be causing this?

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Old 03-21-2007, 05:36 PM
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Chances are the door in the heater is blocked open, not allowing the heat to enter the interior.
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Old 03-21-2007, 06:06 PM
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do you know where the door is located? I just has the whole heater box apart minutes ago.... It is blowing air through the system, just not hot air.
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Old 03-21-2007, 06:21 PM
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Not sure about your specific car, but there is a door that allows the heat from the heater core area, into the cabin. Without this door, you would get heat even with the heater off.
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Old 03-21-2007, 06:54 PM
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If you completely warm up the engine, are both heater hoses hot?

I thought they had a thermal valve that opened when the coolant temp reached a certain point...

Last edited by Lonestar; 03-21-2007 at 07:26 PM.
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Old 03-21-2007, 07:58 PM
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no heater

you might want check heater hose nipples-I've seen them corrode closed ,mostly allum. tho. Is engine running hot? You may be able to hear temp door move when cycled,
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Old 03-21-2007, 11:01 PM
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heater problem

OK, before you replace any other parts make sure your cooling system is working properly. Is the coolant in good condition? Is the system completely full and free of any air pockets? What is the engine temperature at?

Your thermostat should keep the engine at a pretty steady 195 degrees,(at the thermostat housing) if it isn't replace the thermostat and try again.

After draining and filling the system, the air needs to be completely bleed out to have proper heater operation. Any air in the system can get trapped in the heater core and air lock, this can also happen from a cracked head or blown head gasket.

When your engine is at 195 degrees you should be getting about 140 degree heat out of your defroster ducts on high heat and high fan settings.

Let us know what you find out,
Rick
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