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Old 23 Apr 2011, 11:16 am
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Default why does my 1993 honda accord read hot when im driving and its full of water and antifreeze?

it has 50-50 antifreeze in it, no other problems
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Old 23 Apr 2011, 12:01 pm
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becuz its "1993" honda accord
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Old 23 Apr 2011, 12:16 pm
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your thermostat might be sticking. ur waterpump might be broken . you should remove ur radiator cap and see if water bubbles or circulates if it does ur pump works. also u might need to bleed the coolant lines you may have air pockets in ur cooling system.
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Old 23 Apr 2011, 12:31 pm
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You may have a defective thermostat. A thermostat opens up to allow coolant though when the engine reaches operating temperature. If it does not open properly the coolant can not circulate and the engine gets too hot.
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Old 23 Apr 2011, 12:46 pm
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The Accord has lots of cooling capacity, so it is fairly easy to troubleshoot. It happens when you are driving so we can rule out a bubble or fan trouble, and mostly rule out the thermostat (which does not care whether you are driving or idling). The most likely cause is a plugged radiator, especially if tap water has been used to dilute the coolant. When the engine is running hot, feel the upper and lower radiator hoses. If the upper hose is a lot hotter than the lower one you can bet on the radiator being plugged. If both are hot you will have to think in terms of a leak (the radiator and radiator hoses are the main suspects in that) or a bad head gasket (not all that likely).































The actual test for a plugged radiator is to remove both hoses from the radiator and stick a garden hose in the top fitting. Water should pour out the bottom as fast as you can put it through the hose. If the water backs up and comes out the top the radiator must be replaced - no flush will touch hard water deposits. At 18 years the radiator has had a good run, anyway.































Don't try to look in the radiator for coolant flow!!! If the thermostat is not stuck open there will only be flow when the engine is up to temperature, in which case boiling coolant will spew out when you remove the cap. The cap felt cool enough to me one time on my daughter's 1993 Accord so I removed the cap... the boiling coolant scalded every bit of skin off my right hand to several inches above my wrist. No fun.
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Old 23 Apr 2011, 01:01 pm
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coolant system fault































could be a blockage or faulty thermostat or pump.















Your car has a positive pressured cooling system.















Never open the radiator cap when it is hot.















If you can't discover the cause have it checked out at a garage as over heating will damage the engine.
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