Question about 1996 Chevrolet Blazer

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When truned to heat no heat but ac works great

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Check the heater hoses going into the heater core.They should both be hot to the touch.If not then check your cooling system for rust.You will probably have to back flush the cooling system.Just remove the heater hoses and take a garden hose and put it on one of the hoses.Then on the other and when the water comes out clean you are done.eventually you will have to replace the heater core but this will get you by for awhile.Good luck.

Posted on Nov 16, 2009


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