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Old 20 Apr 2011, 10:31 pm
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Default honda accord over heatin?

heres the situation every once in a while when im at a stop light my car will start to over heat sometimes it will happen when i have been driving for a while and sometimes i wont even be on the road for a long time at all but when i am at idle waitin at a stop light or somethin else in that nature the car starts to over heat the tempature gauge will start to slowly rise and i havent let it hit the red but theres no dought in my mind that it wont when i turn the heat on while its on idle it seems like it will stop the over heating and when i start to drive it will go back down to its original tempature but anytime it idles it will go right back. whats really frustrating is the fact i keep sending it to mechanics and no one is able to solve it because they say its somethin and when it comes out of the shop it will happen all over again so can someone give me some advice on what the problem is on this honda accord im really tired of investing money into it
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Old 20 Apr 2011, 11:01 pm
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As with all overheating at idle problems, the cause is either air flow or water flow. It is easy to tell the difference - when it overheats, feel the lower radiator hose. If it is cool the problem is water flow; if it is hot the fan is not coming on. The cause of poor water flow at idle is low coolant. Make sure the radiator (not just the reservoir) is full of coolant, then open the bleed nipple on the top of the thermostat housing 1/2 turn until a steady stream of coolant comes out, then close the nipple.































Common causes of the fan not coming on are a bad radiator fan (with the engine cold and off, try turning the fan on the driver's side with your finger tips - the fan can feel okay and be bad but more often a bad fan will be very stiff) and a bad relay.
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Old 20 Apr 2011, 11:33 pm
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Default Re: honda accord over heatin?

If you start it up and let it run about 10 - 15 min in the driveway stand there and listen, you sould here the fan cluch kick on. if it does then thats not your problem. If it does than its probally you thermostat sticking closed, or you dont have it top off with coolent. radiator might need flushing. The last item to check would be the water pump, but that kinda unlikley, because belt driven.
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Old 20 Apr 2011, 11:35 pm
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Default Re: honda accord over heatin?

if the fan clutch doesnt kick on than thats your problem.
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