Acura Repair Questions? Ask a Mechanic for Answers ASAP
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If you place your hand on both heater hoses at the firewall with the engine running and the heater turned on are they both getting nice and hot?
The heater control valve is cable operated , you can check to see if its moving by having a helper operate the heated control back and forth while you watch the lever on the valve. If it appears to be moving then place your hands on the hoses and see if they are both nice and hot. If the valve is moving and both hoses are not getting hot then this can be caused by either you have trapped air in the cooling system or the heater core is restricted and will need to be back flushed. Check the valve and hose first and let me know the results. See the heater valve location in the link below.https://dl.dropboxusercontent.com/u/104923897/Heater%20control%20valve%20Sept%2019.pdf