Question about 2000 Honda Civic

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Car is getting hot. when i lift the hood, it was steam blowing from the radiator overflow and car had no water. i had filled water just 50 km before the occurrence. water is getting empty again and again. there is no leakage in water body and the radiator is also new one

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If there is no water leakage, there are only two possible problems: First, you may have a bad thermostat which is not opening, making the engine overheat because no water is flowing through the radiator. Second, you have water getting out the exhaust, either from a bad head gasket or a cracked head or block. If you seem to have white smoke in the exhaust, this is your culprit, and it is an expensive repair.
When the engine is cold, fill it up, and then start it and let it idle for about 10 minutes. Feel the radiator or the upper hose, it should start getting warm. If not, you need to replace the thermostat. This should be a fairly easy and inexpensive repair. Also look for water anywhere under the car, you may have a leak somewhere that you have not noticed.
Otherwise, you are into major money to repair a bad head gasket or head/block.

Posted on Aug 22, 2010

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If i just put water and no coolant could this make my car over heat


No your car will not overheat, but it is advisable to my 50% coolant on the water to prevent deposits of rust and other debris that may affect the effectiveness of the cooling system.

Mar 26, 2017 | Cars & Trucks

1 Answer

2006 Chevy trail blazer. Keeps getting hot. Anti-freeze is full, overflow container is half full. Every time I turn it off can hear fluid in radiator boiling and bubbling?


Pam are you sure it's boiling? If the Antifreeze is boiling I'd think you'd see steam coming out of your reservoir as the water expands into the reservoir, but you didn't say you see anything like that.
Of course engines get hot, that's why we have the cooling systems but it doesn't sound like it's "boiling" to me with no signs of visible steam unless your antifreeze level is really low?

If it's really boiling, and you antifreeze level is good, then your reservoir should be getting filled up with expanded hot water that goes into it to catch it when it expands.

If the water isn't going into the reservoir, then maybe your antifreeze level in the radiator is too low and you need to add antifreeze?
.
Best to fill the radiator with the engine cooled down. If you ever have to open the radiator when it's hot, NEVER open it with your bare hand as you could get scolded with boiling water. Instead use a big thick towel to remove the radiator cap off a hot engine. Again, if you can, just wait until the engine cools then open the radiator cap.

With the engine cool, you can fill the radiator with a 50/50 antifreeze mix. The 50/50 mix come premixed 50 percent water, and 50 percent antifreeze. So you can throw that stuff straight into the radiator.

Non mixed antifreeze needs to be mixed 50/50. Some people use 50 percent distilled water when they mix it because distilled water doesn't have the minerals in it that may get stuck in your radiator. That's being a bit picky about it though. Tap water works fine in a pinch. The other 50 percent is antifreeze. You can mix it right in the radiator too, put in a measured amount of the antifreeze, followed by the same measured amount of water. The water pump will mix it all together when you run the engine.

Put the cap back on and run the engine and if/when the water "boils" it should go into your reservoir. If it does boil in go in the reservoir then yes...your engine is getting hot and the antifreeze is boiling.

When the antifreeze boils, it's probably because your thermostat is stuck closed. That means the thermostat isn't letting water circulate through the radiator to get cooled. Thermostats are cheap...no more than $30 I'd say for most cars. Changing them is pretty easy too as they are usually right at the top of the engine. A mechanic may charge $100 to change it....but it's an easy job on most vehicles requiring just a couple sockets/socket wrench.

Oct 03, 2016 | Cars & Trucks

1 Answer

Heater blows hot nnnnnnnthen cold ,,,,,,stays cold


To start, the first thing I would check is the fluid level in your cooling system. Do not remove the radiator cap if the engine is hot! The water will shoot out like a geyser and you could get burned or scalded by steaming hot water. Best to check it when the engine is cool.
If you need to add fluid it should minimally be a mixture of 50% water and 50% antifreeze. This way the fluid won't freeze in the winter or overheat in the summer.

Check the hose that runs from the radiator cap to the overflow container. Make sure it doesn't have any holes in it and it is not plugged up. Make sure the overflow tank has fluid in it to the level indicated on the tank.

These are basic, simple things to check. If these don't remedy the problem other possibilities are a bad thermostat, water pump, radiator cap, or a plugged heater core.

Feb 15, 2013 | Cars & Trucks

2 Answers

My sunfire overheats and leaks out overflow everytime i drivee it.i changed water pump,thermostat the fan is working fine and had a water pressure test done last mth


DID YOU BLEED AIR OUT THE COOLANT SYSTEM.TO BLEED COOLANT SYSTEM, FILL THE COOLANT SYSTEM THROUGH THE RESERVOIR TANK OR THE RADIATOR UNTIL THE FULL COLD MARK IS REACHED.BESURE TO USE 50/50 HALF WATER AND ANTIFREEZE.YOU CAN BUY ANTIFREEZE THAT IS ALREADY PREMIX 50/50.AFTER ADDING ANTIFREEZE TO RESERVOIR OR RADIATOR FILL RADIATOR TO FULL MARK OR IF YOU DONT HAVE RADIATOR CAP ON RADIATOR POUR ANTIFREEZE IN THE OVERFLOW JUG UNTIL COOLANT LEVEL STAY THE FULL COLD MARK.WAIT AWHILE UNTIL COOLANT LEVEL STOP DROPPING.NOW INSTALL THE RADIATOR OR OVER FLOW JUG CAP.START THE ENGINE AND ALLOW IT TO RUN UNTIL NORMAL OPERATING TEMPERATURE IS REACHED AND THE UPPER RADIATOR HOSE BECOME HOT.STOP THE ENGINE AND OBSERVE THE COOLANT LEVEL IN THE OVERFLOW JUG. THE COOLANT LEVEL SHOULD BE AT THE FULL HOT LINE.ALLOW THE ENGINE TO COOL UNTIL THE AMBIENT TEMPERATURE IS REACHED THEN CHECK THE COOLANT LEVEL IT SHOULD BE AT OR ABOVE THE FULL COLD LINE.ADD MORE COOLANT IF NECESSARY. WARNING BECAREFUL WHEN OPEN THE RADIATOR CAP OR JUG OVER FLOW CAP.USE A LARGE RAG OVER THE RADIATOR CAP TO KEEP FROM GETTING SCALDED.OPEN RADIATOR CAP A LITTLE AT A TIME TO KEEP FROM GETTING SCALDED.WAIT UNTIL ENGINE COOL DOWN BEFORE OPENING RADIATOR CAP OR OVERFLOW JUG CAP.WEAR SAFETY GLASSES.

Jul 12, 2011 | Pontiac Sunfire Cars & Trucks

3 Answers

Where does the anti freeze go?


The anti freeze is poured into the radiator water and it is necessary as the water should not freeze when in cold weather which can cause serious damage to the parts sepccially the water pump, radiator, engine water jackets/ ports..

Sep 25, 2010 | 2001 Lincoln LS

2 Answers

Car runs well but after driving it awhile the fan does not come on. the temp gauge in the dash does not go up past halfway but steam comes from under the hood.the fan works and i replaced the temp sencer...


Typically when there is steam coming from the hood there is a pin hole in the radiator or hose. Most of the time when I see this problem there was a small chip in the radiator from a stone. It would allow steam to push out of the radiator but it was small enough to not allow any fluid to drip out. Hope this helps!

Jul 30, 2010 | 1991 Toyota Celica

2 Answers

Vehicle overheatd...where do you put in more water?


You really shouldn't just add water. You should add a mixture of coolant and water.

You will need to wait until the engine is cold. This will allow the system to depressurize. NEVER open a hot radiator. Squeeze the upper radiator hose to be sure there is no pressure. It should be soft enough to easily pinch the opposite walls of the hose together.

Remove the radiator cap (see image). Use a funnel to avoid spilling. Coolant is poisonous. Fill the radiator to the top. Replace the cap.

Check the overflow bottle (see image). The coolant should be right up to the line that says 'Full Cold'. Remove the cap and fill accordingly. Do not overfill this bottle. Doing so will cause coolant to be expelled at normal operating temperature. Just go right up to the cold line.

Start the engine and check for obvious leaks. Drive the truck for about 3 or 4 minutes. This will purge air pockets and bubbles from the system. Turn it off and allow to cool. Open the radiator cap and top off as necessary. Double check the overflow.

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Mar 02, 2010 | 1999 Chevrolet Blazer

1 Answer

The heater does not blow hot air just cold air all vent controls work.if running air conditioning can control temp with the hot cold control


The first thing to check is the coolant (antifreeze) level in your radiator. If this level is too low it could cause your heater not to blow hot air. Check this when the engine is cold by removing the radiator cap. Do not remove the radiator cap when the engine is hot. If you do, you run the risk of getting scalded by hot water and steam that can shoot out the top of the radiator. The radiator should be completely full. If it's not, fill it up with a 50/50 solution of antifreeze and water. Also make sure the radiator overflow tank is filled up to the full mark. This is usually about halfway up the tank.
If your coolant level is ok I suspect you may need to replace the thermostat. It may be sticking shut and not letting hot water get to your heater core, or it may be sticking open and preventing your engine from reaching its normal hot operating temperature. A thermostat is relatively inexpensive and usually easy to replace. Just make sure you follow the instructions and put it in facing the right direction. If the thermostat is ok then you may have a blockage in your heater core. Replacing a heater core can be a difficult job on some car. If this is your problem I recommend taking the car into a garage to have the repair done. I hope this helps you out.

Nov 16, 2009 | 1998 Ford Taurus

1 Answer

Water point hyundai accent 1.3i 2001


If you are trying to add engine coolant to the radiator (which is what I believe you are trying to do) make sure that it is a 50% water 50% antifreeze mixture. If you only add water, it will evaporate quickly and in cold weather it can freeze and blow the radiator. When you are adding your mixture always make sure the car is running (in order to not crack the head of the motor) and if you have a funnel great if not try to get it in as best you can. When you open the hood right near the front (near the headlights) is the radiator and there is a yellow or silver cap. Take that off and that is where you add the mixture. As the car gets warmer it will begin to start bubbling so at that point replace the cap, and later when the car cools refill more. You can also use the overflow tank which should be on the left side towards the back but only fill it to the line that is indicated for hot/cold (it will be stamped somewhere on the plastick overflow tank.

Jan 08, 2009 | 2001 Hyundai Accent

2 Answers

Its runnining close to hot on temp gauge and after i parked it from driving home fom work i saw some smoke coming from under the hood


If smoke, you may have a leak in a hose. When cool, check for water marks usually coming from the connection to the radiator. Another thing to do but may be dangerous is to load up the radiator with water and start the engine, let it run for about 15min for it to heat up and look for water spray. Also, when parked, is there a puddle of water under the car?

Also, I would check the water level in the radiator (never open when hot), to see if i need to add water. Don't look at the reservoir as a reference. It could be just low.

The key here is you think there may be smoke coming from the hood.

Another thing, if the radiator is full of water, then it could be your thermostat. it is usually located at the end of the top hose which runs from the radiator to the engine. In this picture, you are looking at the top of the engine looking down. This is the location of the Thermostat. If your vehicle is close to over heating, this valve could be getting stuck.
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As a test, remove the thermostat and try driving it around to see if it gets close to overheating.

Aug 03, 2008 | Ford Aerostar Cars & Trucks

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