Tip & How-To about Kuryakyn Low Heat Load Equalizer for Harley Davidson Motorcycles

Over heat motorcycle


hi,
A faulty thermostat is one way your motor could overheat. Another is identical to a car- the coolant isn't flowing well enough. (I'll assume you have enough coolant) The reason it doesn't flow enough remains to be seen. Could be a head gasket that's misaligned, could be rusted or corroded coolant channels in the block or head. Could also be a crudded-up radiator.

The way you drive could affect your temperature, too. If you drive slowly at a low RPM, you're not generating much heat, so a not-so-good cooling system will keep you from overheating. But if you're doing lots of jackrabbit starts and/or cruising at high speed, the motor is making more horsepower, which translates to higher temperatures than the cooling system can make go away.

One other way we can't tell is if there is anything blocking the air across the radiator- got leaves, bugs or detritus blocking the radiator? How about an aftermarket gizmo mounted in a way that it blocks the air? Bent shroud?

When all else fails, read the directions. Get a suitable repair manual for your bike and read the troubleshooting chapter. Look for symptoms that match your situation and see what the manual suggests. Take care!

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1 Answer

where is the thermostat located


Hi,

Your engine must be cold before removing the thermostat.

Find the location of your thermostat by following the rubber hose located on bottom of your radiator (passenger side) to the point where it attaches to the engine. Remove the two bolts at that location and you'll find your thermostat nestled in there.

Be sure to place a pail under the car to contain the coolant.


Thermostat Operation:

00047_thermostat.jpgThe automotive thermostat is a temperature controlled on and off valve. When the temperature rises to a predetermined temperature, the thermostat opens up to allow the engine coolant to flow through the cylinder block and the radiator. This flow is crucial to maintain optimum operating temperature for fuel efficiency, enhanced driveability, and engine protection. The coolant flow is reduced when the engine is cold, and the flow is increased when the engine is hot. Contrary to popular opinion, operating the vehicle without the thermostat doesn't make the engine run cooler. It will actually run hotter because there isn't a thermostat to slow the coolant flow. This means the coolant doesn't stay in the radiator long enough to dissipate its heat.


All the best

Ben

May 24, 2011 | 1993 Cadillac DeVille

1 Answer

car overheats and AC cuts out intermitentantly


Hello and welcome to FixYa!


If you have overheating problem, it can lead to multiple issues. You may be running on low coolant that's why the vehicle overheats. If that's the case, please add coolant and make sure that it sits on the right level, too much coolant can cause overheating too for coolant will overflow.


The vehicle may have a faulty or worn out radiator blower motor that's why it overheats. If that's the case then you will need a blower motor replacement to resolve the issue.


If the radiator is clogged with dirt and rusts this issue occurs too. The coolant doesn't flow normally on the cooling system if it's clogged. If that's the case, I strongly suggest that you have the radiator flushed to drain out dirt and rusts. If you think that the radiator served you enough then it's better to have it replaced.


Please do check the radiator hoses, If you have worn out hoses it can cause coolant leakage which can result to overheating. A tiny hole is good enough for the vehicle to overheat.


A faulty thermostat sensor can cause the issue too. If you have worn out thermostat, the fan may not trigger that's why the fan won't work when under stressed conditions. A blown radiator blower fuse can cause this issue too so I suggest that you check the radiator blower fuse and replace it when necessary.


Hope you find this information helpful enough and thank you for using FixYa! Have a good one!

Apr 23, 2011 | 2006 Toyota Sienna

1 Answer

overheats but radiator is ice cold


Hello and welcome to FixYa!


If you have overheating problem, it can lead to multiple issues. You may be running on low coolant that's why the vehicle overheats. If that's the case, please add coolant and make sure that it sits on the right level, too much coolant can cause overheating too for coolant will overflow.


The vehicle may have a faulty or worn out radiator blower motor that's why it overheats. If that's the case then you will need a blower motor replacement to resolve the issue.


If the radiator is clogged with dirt and rusts this issue occurs too. The coolant doesn't flow normally on the cooling system if it's clogged. If that's the case, I strongly suggest that you have the radiator flushed to drain out dirt and rusts. If you think that the radiator served you enough then it's better to have it replaced.


Please do check the radiator hoses, If you have worn out hoses it can cause coolant leakage which can result to overheating. A tiny hole is good enough for the vehicle to overheat.


A faulty thermostat sensor can cause the issue too. If you have worn out thermostat, the fan may not trigger that's why the fan won't work when under stressed conditions. A blown radiator blower fuse can cause this issue too so I suggest that you check the radiator blower fuse and replace it when necessary.


Hope you find this information helpful enough and thank you for using FixYa! Have a good one!

Apr 16, 2011 | 1996 Mazda Protege

1 Answer

car is overheating when driving only. changed thermostat, water pump. fans are running. let car idle for 1 hour after changing pump. needle stays on halfway mark from C-H . as soon as we drive it it overheats.help!!!


Hello and welcome to FixYa!


If you have overheating problem, it can lead to multiple issues. You may be running on low coolant that's why the vehicle overheats. If that's the case, please add coolant and make sure that it sits on the right level, too much coolant can cause overheating too for coolant will overflow.


The vehicle may have a faulty or worn out radiator blower motor that's why it overheats. If that's the case then you will need a blower motor replacement to resolve the issue.


If the radiator is clogged with dirt and rusts this issue occurs too. The coolant doesn't flow normally on the cooling system if it's clogged. If that's the case, I strongly suggest that you have the radiator flushed to drain out dirt and rusts. If you think that the radiator served you enough then it's better to have it replaced.


Please do check the radiator hoses, If you have worn out hoses it can cause coolant leakage which can result to overheating. A tiny hole is good enough for the vehicle to overheat.


A faulty thermostat sensor can cause the issue too. If you have worn out thermostat, the fan may not trigger that's why the fan won't work when under stressed conditions. A blown radiator blower fuse can cause this issue too so I suggest that you check the radiator blower fuse and replace it when necessary. What causes the radiator blower fan fuse to blow? It's because of a failing radiator blower motor, If that's the case have the radiator blower fan motor replaced.


Hope you find this information helpful enough and thank you for using FixYa! Have a good one!

Mar 19, 2011 | 1998 Dodge Grand Caravan

1 Answer

Car overheats at over 60 mph maybe is the thermostat?


Hello and welcome to FixYa!


If you have overheating problem, it can lead to multiple issues. You may be running on low coolant that's why the vehicle overheats. If that's the case, please add coolant and make sure that it sits on the right level, too much coolant can cause overheating too for coolant will overflow.


The vehicle may have a faulty or worn out radiator blower motor that's why it overheats. If that's the case then you will need a blower motor replacement to resolve the issue.


If the radiator is clogged with dirt and rusts this issue occurs too. The coolant doesn't flow normally on the cooling system if it's clogged. If that's the case, I strongly suggest that you have the radiator flushed to drain out dirt and rusts. If you think that the radiator served you enough then it's better to have it replaced.


Please do check the radiator hoses, If you have worn out hoses it can cause coolant leakage which can result to overheating. A tiny hole is good enough for the vehicle to overheat.


A faulty thermostat sensor can cause the issue too. If you have worn out thermostat, the fan may not trigger that's why the fan won't work when under stressed conditions. A blown radiator blower fuse can cause this issue too so I suggest that you check the radiator blower fuse and replace it when necessary. What causes the radiator blower fan fuse to blow? It's because of a failing radiator blower motor, If that's the case have the radiator blower fan motor replaced.


If the fluid in radiator doesn't circulate then it means that you have a blown head gasket or a faulty water pump. I suggest that you go for the water pump replacement first specially if you think that it's near the end of it's service life. Usually, water pops out the radiator when engine is reved (a sign of faulty water pump and possible blown head gasket).


Hope you find this information helpful enough and thank you for using FixYa! Have a good one!

Mar 18, 2011 | 2001 Kia Sportage

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