Question about 1992 Honda Prelude

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Auxillary fan not working

Temperature gauge goes over half way to over heating, fan still not working, radiator full of coolant, engine has oil?

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Check the temp. sensor

Posted on Oct 18, 2008

  • damom181 Oct 18, 2008

    check water circulation

  • Bblock16 Aug 02, 2011

    Sorry I'm new to cars'and have the same problem. How do I check the water circulation.

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1 Answer

I have a 2002 Ford Explorer Sport no heat but the fan works,what could the problem be?


Could be that the thermostat has packed up...

Check all your coolant levels are correct and then take her for a good run out....keep your eyes on the temperature gauge,,if your temp gauge hardly moves then your thermostat is at fault....replace it.

If temp gauge works fine, you may be airlocked in your heater matrix... Try setting heater to full heat with fan on full power,, whilst car is ticking over, remove radiator / expansion bottle cap carefully and start squeezing your coolant pipes. This should force any air out through your rad/bottle top..

Please be aware that as your temperature rises in the engine. Your coolant will expand and start to flow out of the rad/expansion bottle..at this stage quickly replace the cap....check your heater...leave engine to cool....unscrew rad/bottle cap, check coolant levels, top up if necessary and squeeze pipes again..start car with heater/fan on full and repeat above.....

Hope this helps..

Nov 29, 2016 | 2002 Ford Explorer

1 Answer

Im having a coolant problem.got a P1299 code-high temp in cylinder head.Top of radiator not getting hot, like its not circulating???


O.K. STEVE ARINO THIS SHOULD BE A STUCK THERMOSTAT THE ANTIFREEZE COMES BACK TO THE RADIATOR THROUGH THE TOP HOSE SO IF IT IS STUCK THE COOLANT CAN'T GET BACK TO THE RADIATOR AND THE ENGINE IS HEATING UP SO THE FAN GOES ON THE ERADICT GAUGE BEHAVIOR IS ALSO FROM THIS WHEN YOU STEP ON THE GAS THE WATER PUMP IS ABLE TO PUSH COLDER COOLANT INTO THE ENGINE SAY THE GAUGE IS FEELING THE LOWER TEMPERATURE FOR A FEW SECONDS THEN IT GOES BACK UP TO HIGHER HOTTER THAN HELL GOOD LUCK! STEPHEN

Feb 16, 2015 | Cars & Trucks

1 Answer

My temperature guage stays in the middle, is this ok?


Yes, the temperature gauge should normally stop in the middle, between the cold and hot points on the gauge. When the engine is cold the thermostat will be closed and will keep recirculating the coolant in the engine block until it warms up sufficiently. Then the temperature of the warm coolant will cause the thermostat to open the channel to the radiator to get rid of excess heat, which should stop the coolant from over heating. So the effect of the thermostat keeps the coolant at a fairly stable temperature. When the coolant runs low, it can't transfer enough heat to the radiator and the coolant and engine then over heats. Watch for radiator leaks under your car after you have been driving it. If the coolant goes low again fairly quickly you could have a leak in a hose or the radiator itself.

Apr 19, 2013 | 2003 Mazda Protege

1 Answer

Engine over heats


Bad radiator, fan, water pump, and/or thermostat

Apr 22, 2012 | Cars & Trucks

1 Answer

My 2001 mercury sable runs hot (temperature gauge goes high then drops back at half also


Check your coolant level visually by removing the radiator cap (only when it is cold). Also make sure the coolant temperature sensor for the cooling fan is functioning properly. These are set to operate the fan when the engine coolant reaches a predetermined temperature. These go bad in time and need replacing. Sounds as though yours may be working intermittently.

Apr 06, 2012 | 2001 Mercury Sable

1 Answer

Car keep over-heating on a 2005 chevy equinox


Assuming that you already checked for the engine oil and the radiator coolant level, and if they are ok, then open the hood of your car and start your engine, then go to the front of your car and watch out for the fans, they are gonna be off when you start your car, but keep looking at them they should activate when the engine is hot enough. They should activate just before your water temperature gauge (instrument pannel) reach half of the way. If the temperature gauge goes beyond that (overheating) and the fan hasn't activated yet then two things can be wrong your water thermostat (makes the fans activate when your car reaches aproximately 90°C) or your fans could be burned. I hope that helps

Jun 23, 2011 | 2005 Chevrolet Equinox

1 Answer

Temperature gauge goes up and down, no over heating, new thermostat and radiator flush..95 dodge caravan


Air is trapped in the engine most likey.Remove the coolant temp sensor located just next to the thermostat housing.Pour coolant in the radiator till no air comes out the hole and replace sensor and top off radiator.it should be full.If problem persists suspect clogged radiator or coolant fan issue.

Apr 05, 2011 | Dodge Caravan Cars & Trucks

1 Answer

I have a 2000 Mercury Cougar and the gauge inside tells me that the engine is over heating, no heat is coming from the heater when I turn it on, the fan for the engine is running at full blast, the engine...


Hi,

The overheating and lack of cabin heat both point to a failed engine thermostat which would be stuck closed. At the warm up stage, the coolant stays in the engine block to bring the engine to efficient operating temperature, then it opens and circulates the coolant through the radiator and heat core. If the thermostat is stuck closed, the engine will overheat, and coolant will never reach the heater core, and you will not get cabin heat.

Blinking oil light at idle which goes away during driving could be a low oil level, but may also be a drop in oil pressue. You could have a clogged oil fliter (at best) pickup tube, or a failing oil pump.

Mar 10, 2011 | 2000 Mercury Cougar

2 Answers

Over heating


When your temperature gauge reaches "H' it may too late to prevent a major breakdown. Knowing the symptoms of an overheated car and how they occur may be the difference between being inconvenienced and incapacitated.
Identification:---Other than a low oil level or low oil pressure light, there is not a more significant part of a car's instrumentation than a rising temperature gauge or a glowing "Hot" light. These lights are really the only confirmation a driver has that his car is really overheating. It is the identification of the symptoms of an overheating car that enable the motorist to avert a badly damaged engine. Overheating is always a traumatic event for a car's engine, which makes the early identification of the symptom an important addition to the informed motorist's tool kit.
Stuck Thermostat:--The car's thermostat is a valve that controls coolant flow from the engine block to the radiator. When the engine is cold the thermostat remains closed so that the coolant can reach operating temperature quicker and also provide heat to the passenger's compartment. The thermostat has a spring on it that moves depending on coolant temperature causing the thermostat to open. Sometimes the thermostat fails to open thus restricting coolant flow to the radiator where it would be cooled down. This condition is often the cause of overheating. The symptoms of this cause would be a rising temperature gauge and possibly the loss of heat inside the car.
Restricted Radiator:---A car's radiator will have thousands of gallons of coolant passing through in its lifetime. Along with the coolant comes particulate matter in the form of corrosion breaking loose from various parts of the car's cooling system. These contaminates collect in the tubes of the radiator reducing its efficiency. Extensive "plugging" in the radiator will cause the car to overheat. The symptom of this condition would be a rising temperature gauge which goes up when you accelerate.
Coolant Loss:--A car's cooling system is a closed loop system. You are not supposed to lose coolant. Sufficient coolant loss will cause the engine to run hot because engine is heating less coolant to higher temperatures. The symptom of overheating induced by coolant loss would be a pool of coolant on the pavement when the leak is external. Steam under the hood as the lost coolant hits hot parts of the engine, or a rising temperature gauge in the case of a undetectable engine related leak. Of course, the gauge would also go up if the leaks were not detected. Deteriorated Water Pump:--Cars use a belt driven pump to push the water and coolant mixture through the cooling system. This part is called the water pump. Rarely the impeller that draws the coolant through the pump will rust away making it impossible to push any through the system. If this occurs the temperature gauge will climb and coolant will boil over in the radiator. Inoperable Fan:----Most cooling fans are electrically driven. Some are driven by fan belts. If a belt breaks or the electric supply to the fan is interrupted overheating may result. Electric fans are tuned on thermostatically when needed. When the car runs at idle for extended periods or the weather is extremely hot, a failed fan will cause overheating otherwise it serves as a standby assist to the rest of the cooling system. In stress conditions an inoperable fan will cause the temperature gauge to rise. This will help. Thanks please keep updated.please please do rate the solution positively .thank you for using fixya

Mar 19, 2010 | 2001 Hyundai Accent

1 Answer

My 2001 lincoin ls gauge goes up to the h and then come back down


you probably have air trapped in the system. Have dealer or radiator shop bleed system.

I assume your cooling fan is working.

what engine v6 or v8?

SECTION 303-03: Engine Cooling 2001 Lincoln LS Workshop Manual
DESCRIPTION AND OPERATION Engine Cooling The cooling system components include the:
  • block heater (optional)
  • cylinder head temperature sensor
  • fan blade, fan motor and fan shroud assembly
  • radiator
  • pressure relief cap
  • degas bottle
  • radiator draincock
  • water pump
  • oil cooler (optional)
  • water thermostat
The water thermostat:
  • controls the engine coolant temperature.
  • allows quicker engine warm-up.
The degas bottle:
  • provides a location for system fill.
  • contains coolant expansion and system pressurization.
  • provides air separation during operation.
  • replenishes the engine coolant to the system.
The fan blade draws air through the radiator to help cool the engine coolant.
The fan motor:
  • operates only when the engine is running.
  • will not operate when the engine is off.
The engine coolant flows:
  • from the lower radiator hose to the water pump.
  • from the water pump to the engine block and the cylinder heads.
A closed water thermostat returns the engine coolant to the water pump. An open water thermostat allows the engine coolant to flow to the radiator.
Unsatisfactory coolant materials:
  • Alcohol-type antifreeze does not provide adequate water pump lubrication.
    • has lower boiling point
    • reduced antifreeze protection
  • Alkaline brine solutions will cause serious engine cooling system damage.
The cylinder head temperature sensor provides a signal to the temperature gauge.
  • will invoke failsafe cooling.
The optional block heater:
  • electrical heating element is installed in the block cooling jacket.
    • uses a standard 110V (220V in Europe) electrical supply
  • keeps the engine coolant warm during cold weather.
The auxiliary water pump (3.9L only):
  • provides heater coolant flow boost.
  • has a secondary function of providing engine-off cooling.

May 01, 2009 | 2001 Lincoln LS

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