Question about 1992 Honda Accord
1992 Honda accord is overheating. waited for engine to cool down. removed radiator cap and filled with coolant. Started engine watching temp indicator. Both fans went on and off in normal function. Once temp reached the middle of C and H the fans never came on again. Once the temp went all the way to H I shut off the engine. What is the possible problem?
If nothing major like a head gasket,then you
know the fans fail to stay on,so there you go
Look at a schematic of the fan circuit & do some
testing, to find out why
You did not say if it is loosing coolant or water,
if so, you could have a bigger issue
Never use tap water,only distilled water from
super market & 50/50 or 60/40 with the mix
Posted on Nov 24, 2014
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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: coolant doesn't heat up!
the temp sensor just tells you the temp of the coolant and it controlls the coolant fan to turn on and off at a certain temperature........have you check for coolant leeaks???
Posted on Nov 24, 2008
YOUR ENGINE IS RUNNING HOT.IF FAN KEEP RUNNING WHEN ENGINE IS OFF.CHECK COOLANT MAKE SURE ITS NOT LOW. REPLACE THE THERMOSTAT AND RADIATOR PRESSURE CAP.YOUR RADIATOR CORE COULD BE BLOCKED AND THE RESTRICTED GRILLE FULL OF BEBRIS AND THE.ENGINE BLOCK COOLANT PASSAGES COULD BE BLOCKED OR IGNITION TIMING COULD BE OFF.ALL THESE PROBLEMS CAN CAUSE YOUR ENGINE TO OVER HEAT.
Posted on Aug 25, 2009
The other thing you need to know is this: it may be time to replace your radiator or suffer the expense of a new head gasket if you dont. The tubes within radiators become clogged with age. Corrosion particles lodge themselves in the tubes over time and cause them to clog. The result is that tube no longer has coolant running through it to be cooled so the 'work' of cooling is left up to the remaining tubes. The more tubes that become clogged with age, the less efficient the radiator is in lowering the coolant temperature. WORSE STILL, this clogged tube phenom can also result in blowing head gaskets. Here's how. If you poured water into a section of pipe it would run out the other end as quickly as you poured it in. If you partially cover the end as you pour water in the top, the water does not escape as quickly as you are pouring it in, so it eventually overflows out the top as you continue pouring water in. This is what happens in your radiator, except, the water is being 'pushed' through the radiator by your water pump and because it cant exit the radiator as quickly as its being forced into it, the water pressure builds up between the pump and radiator. In between this pressure zone is your head gasket, usually the weakest pressure zone, meaning, its what gives first. The reason the water doesnt just exit through the presssure cap of the radiator is because the pressure within the radiator itself is not as great as the pressure zone created by the pump within the head. The pressure exerted on the water is greater because it is in a more narrow passage than the pressure being exerted on a larger area within the radiator. Sounds confusing I'm sure, but trust me on this. Few mechanics learn this until they replace a head gasket or two only to have them fail again within a short period of time because the radiator was never replaced!
Posted on Aug 25, 2009
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