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Thread: heat in my 94 trans am
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01-21-2010, 08:25 PM #1
heat in my 94 trans am
ive got a 94 trans am. thwe problem is that the heat in the car doesn't work well. it works for 15 seconds then goes cold agian. i just replaed the new thermostat with another new thermostat (both 180) fans come on at 195 degrees. is the heatewr core clogged.or what?? anyone else have this issue. ???????
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01-22-2010, 03:18 AM #2
I'd try unhooking both heater lines and hookup a garden hose to one of then to see how it flows... Sounds like your heatercore is clogged but try the garden hose 1st to be sure
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01-22-2010, 01:50 PM #3
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always dirty- 2013 Ram 2014 Caddy ATS
Just like mark said try flushing the heater core.
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01-23-2010, 12:43 AM #4
will try thanks
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01-25-2010, 08:15 AM #5
friend of mine had this problem, turned out to be a bad radiator cap. They said the mech that found the problem said the cap didnt hold enought press to force the antifreeze through the heater core, ????? Worked for them??? IDK???? Try it. Lemme know how it works for ya.
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01-25-2010, 09:07 PM #6
most likely a blocked heater core....back flush it and see what happens.
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01-26-2010, 06:36 PM #7
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01-26-2010, 06:40 PM #8
working on flushing it. i live on nellis afb in lodging and dont have access to a hose (i know its silly) soon as i can i'll flush it out. right now ive got that "coolant flush" made by prestone that you poor in the system and drive it around for a week or so and then drain the system. hoped it'll work.
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01-27-2010, 05:02 PM #9
I tried that crap in my old car and it did nothing for the radiator. I could still see corosion built up on the core tubes from the filler neck. I ran mine about 500 miles on the interstate too so if thats not enough then I dont know what is???
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