Question about 1993 Honda Accord
My car drives and stays cool fine when driving, but as soon as i stop the car or slow down it spews coolant out under high pressure. no leaks. replaced thermostat. Radiator fan hasn't turned on yet from what i can tell because the car hasn't gotten hot enough (i assume). I had the same issue before i replaced the thermostat but i was getting a bad reading on my dash in addition to it spewing. So i'm wondering if it might be a pressure issue (hopefully just the cap). Thank You!
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Posted on Jan 02, 2017
SOURCE: Honda Civic LX 1995, replaced
First check for the rad fan working. It could be the Fan relay, bad ground connection or coolant temp sensor (commands the fan relay). If not, check for little tiny bubbles in the coolant. Do this by running the vehicle with the rad cap off. Make sure there is no pressure in the cooling system first or you will get burned (squeeze rad hose, should be cool and easy to squeeze). Look into the top of the rad and watch for these tiny little bubbles. If they are present, you will need a head gasket.
Posted on Jul 22, 2008
SOURCE: car is overheating
Is your cooling fan kicking on when temp rises?Are you running antifreeze or just water?Possible calcium buildup in radiator or water pump not working at full potential.. I could be more helpful if more detail info was given....
Posted on Dec 26, 2008
Remove and raise upper hose at thermostat end and remove lower rad hose.
Fill rad with a hose and watch for flow from bottom rad hose and/ or bottom rad hose connecton.......water should fall though rad easily.
Honda rads are cheap.....any restriction....replace rad.
Remove thermostat....fill thermostat housing with hose and watch for water flow at bottom rad hose.
Remove heater hoses.......flush back and forth until a good flow is present "With heater control set to hot" if no or poor flow....replace heater core.
Stop leak can plug everything.
Also.......not likely causing over heating....but ....at your mileage,if you do not know if the timing belt has been changed.....CHANGE IT NOW!
Water pump is optional at this mileage.
Posted on Aug 24, 2009
Testimonial: "thank you for the very clear, step by step instructions for diagnose and remedy"
I smell a bad water pump.. If your water pump is bad you get very poor coolant circulation not to mention at a stand still(red light) you get less air flow to cool down the coolant. Since you have poor coolant circulation you wont get the proper coolant to heater core as well so you get less warm air threw heater. Not to mention that when a water pump is faulty and you have a thermostat it allows even less coolant circulation compared to a constant flow of antifreeze. I would have it checked. Good luck
P.S, I am assuming that your electric fans are working and you have to proper mixture of antifreeze and water.
Posted on Dec 07, 2009
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