Question about 2004 Chevrolet Impala
My Chevrolet Impala has a heater core leak. I found this after I bought the car. So I'm trying to find a way to guess how long it's most likely been like this. I've only had the car for 4 weeks and just found the problem. I'm trying to prove to the dealership they sold me a bad car.
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Posted on Jan 02, 2017
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!)
Posted on Sep 22, 2009
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Your heater core is clogged. You can fix it. Disconnect the two heater hoses and put one into a bucket. Use an air compressor to blow into the other - it'll flush the contents into the bucket. Then reverse it - put the hose you blew into, in the bucket, and blow into the one that was in the bucket. This way, whichever side of the core had the clog, you can blow it out. Reconnect the heater hoses, and then burp the system or you can end up with air bubbles in the cooling system that can cause you to overheat. Click my screenname, go to Tips and Tricks, and follow the procedure there - it'll walk you through the whole procedure step by step.
Posted on Dec 23, 2009
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