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2010 Acura TL Base 4dr Sedan 2WD

2010 Acura TL
Trim Info:
Front-Wheel Drive, 4 Door Sedan, Mid-Size
18 mpg city / 26 mpg hwy
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September 21, 2012, 6:43 am

Mike W

Question: Heater not working

Heater core failure likely? Mechanic replaced valve which was bad and fluid flowed into the core, it heated up, but did not flow out other end. I had mechanic complete job but after I got the part back the core was not blocked or did not leak. So what was wrong??? Heater now works after new core was installed. I think the valve was the problem ONLY and not the valve and core. What do you think??

September 30, 2012, 6:47 am

Ron W
Expert Mechanic

It could have been plugged and during the removal process the stuff inside came free so the core was cleared. Without seeing the part it is a bit hard to say what happened. But if coolant went in one side and wouldn't come out the other, it probably was restricted.

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