I put a new radiator and heater core about a year ago maybe a little more then that.The temp. outside is 11 deg. I have no heat it blows cold air. I changed the thermostat and put 195 deg. in. It did not help.not sure what to do now.Any help would be great.
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Re: cooling & heating?
As a test, restrict a good portion of front of radiator with cardboard. is the engine running at 195 degrees? if engine temp is good, verify that both heater hoses going to heater core are hot. maybe heater control valve.
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Sounds as if the engine is not building up temp due to cooling system working. If engine temp gage is reading low try covering 1/3 of radiator with a piece of cardboard "Bumper side" to reduce the cooling effect.. just watch temp and out side temps if warming up outside or heavy driving remove the blocking to allow full cooling
it seem that the root of your problem maybe caused by by radiator the heat exchange maybe restricted by dirty fins or corroded passages with in the radiator. This is proven when your temp goes down when your a/c is on. the airflow increases when the a/c fan is on. also make sure your fan turns on high when engine is hot. The heater core problem maybe caused by the removal of thermostat. the thermostat control the flow of cooling water and by removing it it forces more pressure to the heater core thus causing it to fail prematurely. you really need to fix the high temp problem, removing the thermostat will just contribute to more problem not to mention a slow warm up of the the engine (delayed heater reaction) and may contribute to high emmision discharge. The radiator usually cost around $150.00 + 1 hour of labor a lot cheaper than $300 - $500 bill to replace the heater core.
ther are two small tubes that open and close the valve to let in the hot air' one is from right under the carb intake and goes to the right (looking at the engine) right behind the fuse box. if there's o hole in that tube the heat will not work. just change mine becase the tube dry-rotted
Les, it sounds like your blend door actuator has failed, it is a small vacuum operated diaphram up under the dash that controls a flapper that switches between the cool air and heated air. Good news is that it is an inexpensive part, bad news is pulling the dash out to get to it.