Question about Cars & Trucks
I have a 1985 cutlass suprem an I put a new heater motor an a new heater core an now I do not have no heat can u please tell me what the problem with the heat can it be the valve door not open or what need help...
Have you checked your heater control valve? After running your engine and letting it get to operating temp, touch the heater hoses and make sure they feel hot to and from the heater core up near the firewall. If they are not hot then water/coolant is not circulating. It could be the heater control valve or it could be that someone has crossed up the heater hoses and has then both on a push side. See, you must have a push and return side on the coolant lines or the water will not flow. These older models could have 3 or more heater hose hookups on them and if someone has switched them around water will not flow right. Hope this helps.
Posted on Nov 26, 2013
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Posted on Jan 02, 2017
It could either be the linkage inside the door popped off, or the outside handle is broke on the inside of the door. this is common with this car and is very fixable.
Posted on Mar 17, 2009
if the air is definatly being blown through the heater core , then the core is blocked.if there is no hot coolant passing through the core then ------no warm air ---give it a good look see if you can see the deflector guiding the blown air is going far enough to send majority of air through heater good luck
Posted on Aug 22, 2009
You just might have an air lock. Try bleeding the system from the heater hose at the firewall. Losen one hose a little, and at operating temp. open slightly to let air out. You will lose some coolant, but just refill the rad. Now, both hoses should get hot.
Posted on Jan 01, 2010
SOURCE: No heat/defrost 01 corolla
Sounds like you have air trapped in the heater core when you flushed the heater core. loosen the upper most heater core hose and run the engine untill coolant seeps out. Wait until the coolant has reached running temperature.
Posted on Jan 18, 2010
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