Question Heat stopped working! - LS1LT1 Forum : LT1, LS1, Camaro, Firebird, Trans Am, Engine Tech Forums

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post #1 of 6 (permalink) Old 04-20-2011, 10:33 AM Thread Starter
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Heat stopped working!

I have a 1997 Camaro Z28 and for most of the winter the heat worked great! For some reason recently the air doesn't get hot anymore. The fan is still blowing air but not nearly as warm as it should be. The engine will warm up to its regular operating temp and the air is cool. When I turn the dial all the way to cold it gets freezing and when I turn it to hot it barely gets warmer. Any suggestions on what the issue may be?
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post #2 of 6 (permalink) Old 04-20-2011, 08:57 PM
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heater core lines probably do not have any coolant in them... check the crossover tube for proper coolant.

Im a diverse mofo
Current car - 96' Formula
Soloman Performance tune, Long Tube headers, CAI, ORY, EGR, AIR, Vats Deleted
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post #3 of 6 (permalink) Old 04-20-2011, 09:03 PM
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Flush the heater core, forward and backward several times.



Yep its slow.

Making the world a warmer place one gallon at a time.
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post #4 of 6 (permalink) Old 11-27-2012, 08:46 PM
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is there a how to? pictures/video.. currently doing searching..but if someone could answer this i would really appreciated since i would stop freezing in my car, every morning.

my heater stop working after i pulled the wrong fuse with my car on wich shut down the entire car and reseted my engine light. car is 97 z28, 119k A4. ac works and so do the fans opperating temp running is about 180 at idle is about 210 or so (whatever the middle line is.)

found some videos but not lt1 specific.
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post #5 of 6 (permalink) Old 11-28-2012, 04:31 PM
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are these the lines?
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post #6 of 6 (permalink) Old 12-02-2012, 02:33 PM
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yes, those are the lines, there should be a place to unhook them towards the front of the engine, just follow them out then stick a hose in there and blast it out forwards and backwards.
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