Overheating (Engines)

You should check your water level. It's low, and you have a leak. Get someone to check it for you.

The heater in your car works off the water from your radiator, no water in the radiator will over heat the engine ergo top up the water.

Could also be low antifreeze level causing water in radiator to freeze making the engine overheat and the heater to blow cold air.

Mine was because the impeller in the water pump had disintegrated to the point where it would not move the water. The water would overheat, but the hot water would not get moved into the heater core to blow hot air. I replaced the water pump and it all works now.

Theres a couple of things that can cause this. First, check ALL the hoses to be sure you dont have a leak. make sure the radiator and reservoir are not leaking. Then you need to check the thermostat. The easiest way i know to do this is run the engine to normal temp, providing you can do this without overheating.

there are two hoses coming out of your radiator, one is coolant to the engine, one is the warm coolant back to the radiator. Touch them both, CAREFULLY DO NOT GET BURNT or hurt by any other engine parts such as the engine fan!. if one of them is WAY cooler than the other your thermostat is stuck and you need to replace it.

You may have a head gasket blown,if you are losing coolant and do not see any puddles, like this coolant has "mysteriously vanished" get this checked out!

another possibility if your heater core is shot, if its not the thermostat, your hoses are all intact and your radiator and reservoir are not leaking, this is likely your problem.

OR, you may have a water pump problem, if you have a large puddle under your engine, not near the radiator, get this checked by a professional mechanic ASAP.

you can cause serious damage running a car hot.

When you shut off an engine, the water pump stops flowing h20 plus antifreeze through the engine block and radiator. All of that extreme heat settles into the aggregate fluid. This can cause the engine to over heat the fluid and boil over. That is the reason you do not go out and take off the radiator cap. You could be severely burned or scalded by the hot fluid. That fluid has to be pumped constantly to keep the engine cool. The electric fans should cut on and help cool to some degree. Too, while you are driving on the road, the air at 30 to 60 miles per hour will help cool as well. When the air and the water stop flowing. Heat will build up.

Low coolant. If the coolant is low then the heater core is not able to transfer heat in to the car.

Depends on how much oil there is.

Running any four-stroke engine with low or no oil is going to cause serious damage. Connecting rods and head parts would most likely go first. Oil acts as a coolant for internal parts as well as a lubricant. Without oil to lubricate, parts will only get hotter, and without oil to cool them, bad, bad things will happen.

water pump may be locking up, causing belt to break and vehicle to overheat. have a good mechanic look it over.

Overheating can damage any seal.

Yeah deffiantly

Yes

Yes it most definitely will boil and all if you fit it in the wrong way.

your car is broken

== == Sometimes it is not actually "boiling", but bubbling. Start by getting a new radiator cap. It is the first thing you should do, and is easy. *MAKE SURE YOUR CAR IS NOT HOT WHEN REMOVING A RADIATOR CAP* When air enters the closed/pressurized cooling system, the air ends up in your reservoir tank and bubbles the top. Sometimes(depending on vehicle) it will even exit the reservoir tank through an overflow hose and appear to be a leak. Hope this helps! Chris not enough water or coolant in radiator.

Fan not working

Water pump not Working well enough

Stuck Thermostat.

Air Bubble in system

Head gasket failure

Radiator plugged or coated inside

Radiator dirty or plugged stopping airflow

The engine produces heat no matter the weather. The cooling system must have a problem such as a bad thermostat, bad fan clutch, plugged radiator, missing radiator shroud or low on coolant because of a leak somewhere.

Water is used to cool things down.

We'll start with the least cost and work our way up,

1. Low coolant level. It is possible that you are just low on coolant/water. Replace the coolant, then check the level each time before you drive it to discern if you have one of the more expensive troubles listed below.... If the coolant level stays good and no more overheating, then you are good to go. Keep an eye on the coolant levels routinely to avoid future challenges and keep on the lookout for larger issues. IF you note a leak or coolant around, then you should identify from where the leak is coming, and pursue solving that problem.

2. Electric Fans are not coming on due to electrical trouble of some kind. Could be a sensor or such. Start the car up, turn on the A/C, if after a few minutes the electric fans don't come on....that is the problem.

3. Thermostat is stuck/Radiator Clogged. Flush the radiator. Drain all the coolant out (remember antifreeze is poisonous, so don't put it out where the family pets or children can consume it, refer to the lables on the coolant for other safety disclosures)

Modern cars actually do not send coolant through the radiator until the engine gets to a certain temperature...ussually about 180 Degrees F. A thermally activated valve called a 'thermostat' by most mechanics sometimes gets stuck closed, and causes the water to circulate only through the engine, and not through the radiator. Checking this is a bit more effort, and given the labor involved...most folks should have a mechanic simply replace the thermostat for them. The part is relatively cheap to replace once you have done the labor to get to it, so usually it is replaced instead of just checked at this point. If you have done it before then it should be no trouble, it is typically located where the upper radiator hose goes connects to the engine. There is usually a 'two-bold' hose neck that, once removed reveals the thermostat.

4. Water pump is bad. Ussually the water pump will leak if it is bad. Sometimes not, but over 90% of water pump failures are evidenced by a leak. The water pump is more difficult to replace than the thermostat, so act according to your own estimate of your skill level. Ussually a repair manual or online repair guide will suffice to walk you through the process with some challenge....but about 30% of the folks are skilled enough to get it done. About 15% of folks will have the skills to get it done right with no problems the first try.

5. Recurring Low Coolant. So, you keep adding water or coolant but it just seems to magically disappears? You've looked for any signs of leaks under the car while it is warm and running....but not a drop. For the Cadillac engines...this is usually a sign that there is either a head gasket leak, or a head that is cracked. The coolant/water is simply escaping by leaking internally into the combustion chamber and comes out the tailpipe as steam. (Now, so there is no confusion...seeing steam coming out of the tailpipes is NOT a guarantee that there is a head gasket blown....since one of the byproducts of burning hydro-carbons like gasoline is H2O steam.) 95% of folks should have a mechanic take care of this problem if you note that you have these symptoms.

6. Aliens or Gremlins. If all of these problems/solutions still yield trouble, then it is likely someone has sabotaged your vehicle in some way, either by cloggin up the radiator with some foreign additive to the coolant or other foolery. Sometimes in an effort to solve #5 listed herein above, folks with try a sealant product in large quantities hoping to avoid costs and delays. It will work for a while....maybe....but not forever. It often just leads to other troubles later on.

Why does loose bulbs may overheat?

I suggest you take your car to the dealer and they might be able to fix the problem.

1- incorrect amount of coolant 2- stuck thermostat If you turn the heater to HOT and run the engine does that reduce the engine temperature a lot? little? If a lot then look at #2. Other reasons for overheating include a worn out fan motor and/or clogged radiator. The original radiators on these cars had plastic tanks which would eventually crack and leak causing a loss of coolant. Check for a greenish colored residue around the top of the radiator. If the radiator is cracked, it must be replaced. If it is clogged, a GOOD radiator shop can clean it and replace the tanks (if they are plastic), or the radiator can be replaced. Cost of replacement is not a lot more than cleaning on these cars, and the confidence of having a NEW radiator is worth a lot.

could be your thermostat or you have no antifreeze coolant or your water pump is going bad

It can if their is something wrong with the cooling system.

i would be looking at the head gasket, if it wont start the engine could be hydro-locked meaning the cylinders could be filled with antifreeze. probably not any long term damage if this is the case.

Need to change your thermastat i have done that but still over heats when driving

heater core is shot and you have to get a new one

Check the thermostat first. I had an intermittent overheating problem on my 02 for almost a year, changed the thermostat and it never happened again. If that doesn't work, secondly I would check the water pump.