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SUVs Chevrolet Blazer Chevrolet Blazer Heating Ventilation and Air Conditioning
118 messages, Last post on Nov 01, 2009 at 9:53 AM
You are in the Chevrolet Blazer Forum. Your Hosts are steve_ & tidester
it is blowing blows cold aire and the temperature gauge keeps going up and down. what the heck is going on?
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Replying to: stobar (Dec 19, 2006 7:24 pm) |
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I have a 94 S10 Blazer and it stopped throwing heat replaced the control panel assembly (used) and just replaced the heater blower motor the motor engages and runs but still not blowing like it should..the only time you can feel some of the heat coming in is from the force of the air going down the road..no idea what to do HELP ANYONE!
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Replying to: mksweet80 (Jan 28, 2007 6:48 pm) |
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Ok...So I've got no heat blowing into my cab, only cold air, when temperature gauge is hot, and even colder air when the temperature gauge is cold. I've replaced the thermostat and flushed the entire coolant system. Flushed the heater core and there were no restrictions in the flow of water. In-feed to the heater core is hot and the outlet is significantly cooler. Where should I start to look from this point?
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Replying to: dizzyjonez (Feb 05, 2007 1:43 pm)
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Replying to: jlflemmons (Feb 07, 2007 7:39 pm) |
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Replying to: repairdog (Feb 10, 2007 4:45 am)
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Replying to: dizzyjonez (Feb 16, 2007 5:17 am) mine is a 2001 Blazer and recently it started blowing a smell of coolant into the cab. worse than that - more like CROTCH and coolant. its disgusting. later it started blowing really humid, damp air into the cab - so much so that i could hardly see out of REALLY foggy windows. its winter, so i'm using the heat. but get this, the heat works. very well in fact. if i turn it over to a cooler temperature, mist starts coming out of the vents. just to get around, i'm riding with all windows cracked to keep the humidity in the cab down. everyone i've talked to says its the heater core. just got back from a dealership who ran diagnostics and gave me an estimate. it says that an intake gasket leaking coolant is causing heater core failure. calls for intake gasket replacement (59.83 parts and 492.00 labor), heater core replacement (137.03 parts and 492.00 labor). my thing is (and i'm probably really mistaken here) that the heater core is obviously working if i'm getting heat. so why does the core have to be replaced? fix the leak, replace the intake gaskets really should be all thats needed here, right?
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