Feb 02 2010
94 chevy astro mini van heat problem
i have this astro mini van when im driving i get good heat but when i at a stop the heat goes to very little heat coming out vents , ive changed the thremostat , it dont over heat . any thoughts on what could be the problem
Response:
A loose drive belt, a glazed belt, a weak water pump, a restricted heater control valve, an internally collasped heater hose, a partially plugged heater core, wrong size heater hoses, a duct or door not opperating correctly, proper T stat.
another thing you should try in the defroster that will not only increase the fan speed but should heat the car alot faster.
there could also be the possibality that your high blower is only working on low all the the time.
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