2004 Chevy Impala no heat from defrost or heater
No heat is often a symptom of low coolant, usually followed by overheat. There are other controls that regulate heater, but right now, re-fill the cooling system with engine running and heater on high, then check for leaks (coolant you lost went somewhere...you need to determine where) Low coolant will damage your engine. Take care of that first, then if heater still does not work, then do diagnosis on that. (if you loose the engine heat won't matter, will it!)
coolant fluid level warning light on. fault traced to faulty thermostat/heater. how easy is this to replace. any help would be appreciated, Jim.
the thermostat might be stuck. Not running hot. Just not heating my car fast
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