Question about Honda Accord
The way the antifreeze circulates is the antifreeze in the engine warms up while the antifreeze in the radiator cools. When a certain temperature is sensed the thermostat pops open and the water pump circulates the antifreeze from the engine to the radiator on the top hose, and the radiator to the engine on the bottom hose. That way the antifreeze that is hot from the engine can cool. When the thermostat seizes when it is closed then the antifreeze cannot circulate. And pressure will continue to build until something gives. Change your thermostat and this should take care of that problem. Your fans should how ever come one. You will have a engine coolant temperature sensor under the distributer.To test the fan unplug that sensor and take a paper clip and jump the connectors on the plug. If the fans come on your relay needs to be replaced. If the fans do not come on then the fans themselves are bad. As for the water pump, if it was bad it would be grinding so bad you would know it. Or it would be noticeably leaking. Once you replace the thermostat, antifreeze will again circulate again.
Posted on Apr 09, 2011
Thanks for choosing FixYa and welcome to the site. Your fans are supposed to turn on when the engine gets hot. They should be kicking on if it is overheating. If they are not, this may be why it is. It has nothing to do with the radiator, your fans that is. You still need to make sure the radiator works and that you are using coolant, not only water. As for the fans, you need to check your fuses. If the fuses are good, you need to check your wires. Test then with a voltage meter to see which ones are not getting current. You can hook up wires to the fans and hook them to the battery for the time being. There is also a chance4 that your fans are defective. If you are leaking coolant, it could cause the overheating. The most common issue is the thermostat, then the water pump. Your fans are still supposed to turn on at all times, when the engine is hot. You could need a new coolant cap also.
Posted on Apr 09, 2011
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Posted on Jan 02, 2017
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