Question about 2001 Chevrolet S-10
I have a 1999 chevy s-10 with no heat. I have changed the thermostat, flushed the system and put new anti freeze in. Still I have no heat.
You most likely have a clog in the heater core. Did you hear a sound like running water under the dash on the passenger side at one time? If so, it's almost certainly a clogged heater core. The problem is that the orange antifreeze clots. It should be changed more often than recommended.
Posted on Dec 14, 2008
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Posted on Jan 02, 2017
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This is a classic symptom of low coolant level or air in the system. Too, clogged heater core.
Buy a 5 min flush from your local dealer. With a gallon of Anti freeze and water pump lube. Flush the system per instructions on the back of the 5 min flush bottle. And add the one gallon of anti-freeze to system. The top off with water. Make sure engine is running with the heat selector on and fan on high.
See if the will work if not Change thermostat.
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Regards, Lee Davidian
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