Question about 1987 Ford F 150

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My oil gauge goes from low to hjgh and tappits get loud and my engine gets hot and its full of oil and water and coolant and can't find any water leaks and the water in the raidiator is circulating well

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Pour a quart of auto trans oil, dexron, in the engine, run for ten minutes high idle and change boyh oil and filter. The Dexron works as a cleaneaner and will help flush anything that may have made house in your oil pump or bypass valve. Then change both oil and filter filter. do not throw out the old oil. Let it sit overnight tolrt it settle and separate. After 24 hours, check the bottom of the pan for water and trash. Let me know if you find either. Drag a magnet through it also,.

Posted on Oct 04, 2009

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What causes 02 buick century that not running hot to show the guage hot and the fan running and temp light to show


1 How do you know it is not running hot? Engines run normally at close to 90 deg. C, that is, close to the boiling point of water. The pressure cap on the radiator ensures that the water does not steam off at this temperature.
2 If the engine is not running hot and the gauge shows that it does, the gauge is faulty, probably the sender unit. I am not sure of the Buick, but some cars have two senders, one for the gauge on the dash and the other for the radiator fan. If your car has only one, the information from the sender is probably used by the ecu to switch on the fan, so if the sender is faulty you will get the symptoms you describe.

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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.

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Oil pressure drop with engine getting hot


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Aug 14, 2012 | 1989 Ford Ranger

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How do i put water in my radiator?


you need to replace thermostat and radiator cap.look under hood around engine compartment.look for a radiator cap near radiator,add 50/50 antifreeze and water to coolant system to bring up boiling point.pure water will cause engine run hotter because water evaporate away,remove radiator pour coolant in the radiator until coolant stop dropping in the radiator now some vechicle pour coolant in the coolant overflow jug,pour coolant until coolant level stop dropping and the coolant level stay at cold full mark.start engie let idle few minutes, watch coolant level in radiator if coolant start dropping add more coolant, when coolant level stop dropping put radiator cap back on let engine idle until both top radaitor hose and bottom coolant hose get warm turn off engine wait until it get cool then take a large rag slightly open radiator just a litle at a time to keep from getting scaled.once radiator remove add more coolant if low,put radiator cap back on start the engine let it idle watch the temp gauge if temperature gauge going hot zone stop engine wait until cool then add more coolant,keep doing this until engine stop overheating going into hot zone and coolant level stop dropping,make the coolant overflow jug coolant level stay at full cold mark, dont let jug run empty if so air will get in the coolant system causing engine to overheat.

Jul 22, 2012 | 2000 Plymouth Breeze

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Ok so my 2001 kia rio ran fine on my trip from nor cal to phoenix, az and ran fine for 3 weeks after. I noticed the oil level was very low when I checked it a few days ago and it started to overheat. I put...


Your engine does not overheat because the oil is low. Do you get heat out of the vents? Check the fluid level in the radiator not the reservoir. Due this with the engine cold. If the radiator is low than you have a leak somewhere. Add coolant to the radiator and see if you can see any abvious leaks. You may need to have the cooling system pressure checked in order to find the leak. If the coolant level is full in the radiator than you may have a bad thermostat. If you get heat out the vents than we can assume the coolant level is full and the water pump is working. When the temp gauge is hot feel the upper and lower hoses. If one is hot and one is cold than the t-stat may be the problem. If there is no heat out the vents and the coolant level is full than you may have a bad water pump. Let me know if you have any questions and I'll do my best to answer them. Thank you for using FixYa.com!

Feb 02, 2012 | 2001 Kia Rio

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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.

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2002 malibu runs hot.


Sounds like you have a faulty head gasket or maybe a cracked head.This can cause overheating and the check engine light to come on.The code for the o2 sensor is probably caused by coolant getting into the exhaust system and coating the sensor.The coolant fan may work but it cannot remove enough heat from the rad to make the engine cool off.Try some engine coolant stop leak to see if it will help.This maybe only a temperary fix.Let me know if you need more.MOE

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Tempature gauge goes to high with full coolant.


if no codes a few choices to problem could be fan not working properly/thermostat stuck closed or broke/water pump failure/radiator clogged-outside blocked/bad sensor(usually pops a code)these are the most common good luck

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Low Coolant light always on put new coolant in and it disappears


where the coolant is going and why the gauges go nuts are probably not the same problem. sounds like your gauges have a problem with the ground side connection to power. you could look at the negative battery post and see if it is really gunked up, might as well check the positive side while you are looking. if the battery posts get oxidized pretty much everything gets a not so great connection but gauges are one of few places you notice it. the car only runs off the battery at startup or if momentarily car is using more amperage than alternator can provide, but current runs through battery from alternator so bad connection there will cause whole system to function less than optimum. in the cooling system one component you don't mention replacing is the heater core. you say the coolant is not on the ground, so where can it be? pull your oil dipstick and see if your oil looks like oil. if it looks like vaseline, kinda white and creamy, you just figured out where your coolant went and you have a blown head gasket. hope that's not it, it's sort of a hassle. there aren't too many other places for the coolant to go. it either runs on the ground, boils off against the hot block, like if it comes out near an exhaust manifold (and that makes quite an odor) or gets into the oil through blown head gasket. it can make it into the passenger compartment through a leaky heater core and if that happens you will smell a sort of sweet smell in the car and after while get a green cast to condensation inside windows. hope that helps.

May 26, 2009 | 2000 Jeep Grand Cherokee

2 Answers

Thermostat?


It actually sounds to me like you're low on coolant. My Jeep leaks coolant and whenever it gets low the temp gauge will go real high and then drop, and the heater doesn't work well. This is because the cooling system of your car is supposed to be a closed system, full of coolant and no air. When coolant leaks out, the space it used to occupy is now occupied by air, which does not transfer heat well. When 'air' is passing through your cooling system, no heat can be transferred from your engine to the heater and radiator, resulting in a hot engine and no heat at the heater. Then when a pocket of water passes through the system, the temperature gauge quickly falls as the water absorbs the heat from the engine. The hot water that cools the engine is where the heater gets it's heat from as well, so when water passes through the heater core, the heater works, but when it's filled with air, it doesn't.

Hot water runs through the heater core regardless of whether or not your thermostat is open or closed. That's why your heater works in the winter even before the engine is at normal operating temperature. The fact that the heater stops working is a good sign that the thermostat is probably not the culprit.

As for the water pump. If the water pump was bad, your temp gauge would go into the red and stay there. Water pumps generally don't work intermittently. Either it's good and ot works, or it's bad and it doesn't.

However, if you are in fact low on water, as I suspect, it means you probably have a leak somewhere. The leak could be in the water pump housing gasket, so depending on where you take it for repairs, they may try to sell you a new water pump anyhow. So just beware of that.

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