There is no overflow, that is the reservoir. Check the hot and cold full lines which should be down about half way on the tank.
SOURCE: overheating problem
looks like you have done everything but the problem with your car is that the cylider head gasket has gone have a look at the dipstick or remove the oil filler cap if it looks like mayo then 100% head gasket has failed you said no water on the floor so it must have gone into engine only way this can happen is head gasket failing, if you have put lot of water in to the cooling system then your sump will be full of oil water mix.
let us know your findings so we can help you more if you need it
SOURCE: what kind of coolant does the 99 vw beetle use?
The cheapest to use is Prestone green. It works fine with any car type. It is a form of ethalene glycol that has been used for over 70 years. Vw does not reccomend it, however. They prefere you use anti-phosphate anti-amine coolant in your Vw. Even then it is reccommended to flush it every 3 years.
The colors are blue G11, red/pink G12, and purple G12+. On your overflow there should be a G# . You can use a higher G# and mix them with lower. DO NOT mix green with any other color. A Flush must be done if changing anti-freeze types.
You may have a bad coolant temp sensor. A VAG scan tool will tell you if it is within tolerances. It plugs into the computer through the slot under the steering wheel. An OBD2 scanner should read these codes as well since they are part of the engine systems. Auto parts stores like the autozone will let you borrow one. It will show the tolerances and the output of the sensors voltage resistance. If it falls outside the range, then replace it. A manual for your car is alway reccommended as well, even for a mechanic.
Good Luck!
SOURCE: The coolant overflows out of
Try replacing the thermostat.If that doesn't fix it the next step would be to check out the water pump.How far do you go before it overheats?Greg
SOURCE: 92' Ford Explorer is running hot. Changed the
sounds like a blockage like a dodgy thermostat, id test it by boiling a jug and throwing your new thermostat in the boiling water and see if it opens, other than that you've pretty much done it all so id be looking at a blown head gasket. good luck :)
Testimonial: "I figured that the only other possible problem could be the radiator cooling fan, or a head gasket. keep up the good work, my man."
SOURCE: My 2001 beetle is overheating, leaking coolant, no
Hello,
when the car overheats, is there still water in the radiator?
If there is water in the radiator and the car overheats, then it means there might be some dirt or blockage in the radiator or condenser.
When the car is on the motion, air passes through the front and assists the fan to cool the engine. There are situation whereby air doesn't have free flow because of blockage in the radiator and condenser. Dust and debris can cause blockage. If this be the case, have your radiator washed thoroughly and cleaned.
If there is no water in the radiator when the car overheats, then there is a probably a leakage from the water pump. Or maybe your fan isn't blowing properly. The fan might be blowing weak air.
The above are what could cause your engine to over heat.
So start the check from the radiator. Poor water into the radiator, wait for some minutes, look under the car and observe if water is going to leak. If there is a leak, it might be from the water pump or a leaking hose.
If water from radiator has no leak, have your radiator washed and clean the condenser has they might block air that is suppose to cool the engine.
Also, make sure your fan is blowing properly or well enough to cool the engine.
Make sure you have the above checked thoroughly as they are the major causes of problems like this.
This overheating problem could lead to a burnt gasket and this can dry the engine oil which will eventually knock the engine. So have this problem fixed to prevent further damage that will cost you more money.
Lastly, remove the hose that connects the radiator to the engine, water from the engine will come out. Pour water into the radiator, the water will flow through the hose down to the ground. Do this severally. Now connect the hose back to the engine, pour water into the radiator. Start the engine, the water in the radiator will reduce, add more water till radiator is full.
In summary, the major cause of over heating problem is from the radiator, fan, water pump, blockage in the hose, and dirt in in/on the condenser. These are area you need to concentrate on.
I forgot to mention that the acceleration meter or engine meter on the dash board shouldn't be more the 5. It should be below 5. If it is above 5, it can cause overheating. I hope you understand what I mean.....
Regards.
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