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Heating and Cooling

(1999 Chevrolet S10)
in Wytheville, VA on October 09, 2010
There is no hot air on to heat the vehicle. it just blows cold when switched over to heat or defrost.
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of Auburn Foreign & Domestic on October 12, 2010
Check for rust in your antifreeze- this is very common with GM "dexcool" antifreeze and you may have a plugged heater core. Good luck! Greg
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