LT1/LT4 Tech 1993-1997

no heat!

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Old Nov 23, 2010 | 05:22 PM
  #1  
jpkz94's Avatar
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Default no heat!

so its starting to get cold and my car doesnt put on heat when turned on, im thinking it has a low temp thermostat never goes past this for temp but im not sure what comes in it stock? or other ideas?
 
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Old Nov 23, 2010 | 06:57 PM
  #2  
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From your picture it looks like the engine is running around 180, which is about right. When the engine is hot, feel the 2 hoses going to the heater core, they should be almost the same temp as the hoses going to the radiator. If the heater core hoses reemain cool, it indicates that either the heater core is clogged or the restrictor in one of the heater hoses is clogged. If both hoses are hot, then there is a problem with one or more air doors in HVAC plenum or the temp control is messed up.
 
Old Nov 23, 2010 | 10:06 PM
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see if any of this helps. most times a flush of the core with the garden hose will do it.
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Old Nov 24, 2010 | 02:12 AM
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That is were my temp gauge is at and my heat is working fine. Maybe its the heater core.
 
Old Nov 24, 2010 | 09:46 AM
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That's where mine temp sets with a 160 thermo and fans programmed to turn on at 180. I remember with it stock it would set around 200-220, so I don't think it's stock even with the heater on.
 
Old Nov 26, 2010 | 07:44 PM
  #6  
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ok guys so im thinkin my heater core needs a flushing anyone have a good web site on how to do that with our cars? tips?
 
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