Thermostats

Why would a 92 Eclipse push water back through the thermostat housing and overheat?

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2008-08-02 23:58:06
2008-08-02 23:58:06

The thermostat is most likely stuck in the closed position and needs to be replaced. The closed thermostat does not allow the coolant to circulate through the radiator, thus overheating the engine. The reason for water being pushed through the thermostat housing is because the water pump is spinning and there is no place for the coolant to go, therefore, it is leaking out through the housing gasket which is probably already blown (need to replace it when you replace the thermostat.

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The plastic intake manifold on these cars often cracks near the thermostat housing as well. Also check the front of the intake manifold just behind the alternator for leaks. See more info here... http://www.autoclinix.com/Manifold.htm If the thermostat is stuck closed, it is possible that the water would back up and leak through the thermostat gasket. however, it would also make your engine overheat. If your engine is not overheating, then the leak is probably coming through a crack in the hose where it clamps to the thermostat housing.

Look for the upper radiator hose. The hose will go from the radiator to the top front of the engine. The hose will connect to the engine through the thermostat outlet housing. The thermostat is located under the thermostat outlet housing.

when your coolant in your engine gets a certain temperature,usually 180 degrees,your thermostat opens and your coolant circulates through your radiator and it keeps your engine cool so it wont overheat.

The top radiator hose connects to the engine through the thermostat housing. Remove the radiator hose from the housing, remove the two bolts that hold the housing to the block, remove the thermostat from the housing, clean the housing and the block, put a new thermostat in (following the directions for orientation as specified by the box with the spring assembly TOWARD the engine.) Then after you have re-installed the thermostat housing and the radiator hose, add coolant and be on your way. While you're at it, check the radiator and heater hoses for brittle rubber or bulging spots and replace the hose if there is any evidence of damage.

The thermostat is located inside the thermostat housing above the drive belts... (Note: The correct thermostat is equipped with a jiggle valve that allows a small amount of coolant to flow through the thermostat at all times, relieving any excess pressure in the cooling system.) Engine compartment passenger side about 5" back from the distributer cap under the water hose the housing of the thermostat is connected with 4 bolts, it

IF it goes bad it will stick and allow no coolant to pass through it, and the car will subsequently overheat. Just change it out. They are usually under $10

Once the thermostat has opened, the hot coolant flows from the thermostat housing on the engine into the top of radiator and out the bottom of the radiator back into the water pump.

Yes It is not good to run any car without a thermostat. Initially the car will run too cold and use extra fuel as the choke will remain on, then it will overheat as the thermostat is needed to slow the flow of water through the radiator for it to cool effectively.

If you look to the right front side of the motor you will see where the upper radiator hose connects to the water pump housing directly where this hose attaches there is a thermostat housing that is held by two bolts remove the hose first then remove the two bolts that are in the thermostat housing take out the old thermostat replace with new but you may want to bleed all the air out of the system first these cars are bad about developing air pockets in the system and causing the auto to overheat the way i remove the air is by removing the same hose and filling with fluid directly into the system through this hose but keep an eye on the overflow tank as well it would be better to have some one watch the over flow to make sure it does not run dry while you add fluid

What motor? what year? Most are fairly simple with a couple of bolts and a hose clamp. One helpfull hint to retain the new thermostat in place during re-assembly is to fish a string through the top (hose side) of the thermostat, then run both ends of the string through the housing. Seat the thermostat and tighten the string. Fold the string over the outside of the housing where the hose is installed and tape in place with electrical tape. Install new gasket in place and tighten the housing bolts to required torque, remove the tape, pull one end of the string to remove it from the housing and then finish by placing the hose on the housing, clamp securely and fill with coolant at 50/50 mix. It's an 2002 4x4 with 4.6L

Its at operating temperature at this point .Check your thermostat see if it operates take it out of the the thermostat housing get a pot of boiling water stick the thermostat in there and see if it opens up. If it does then possibly your water pump or make sure you have enough coolant 50/50 mix . If it don't you can leave the thermostat out and run it straight through because it will constantly flow and see if it fixes the problem. If none of that works the possibly internals such as head gasket or low oil or leak . It depends on what year of motor if you have a carb or EFI engine because of the electronics on the engine such as coolant sensor or what not.

Blaziken doesn't learn Overheat through leveling up but you can teach it to it using TM50 which is Overheat.

no,wouldnt use silicone due to heat going through stat housing,use a high temp "gasket sealer"

The thermostat comes in a housing that bolts directly to the motor, and is located on the driver side of the motor, near the bottom, instead of the top. To get to it you have to remove the battery and left front wheel. You also need a very long extension for your socket to go through the wheel well to remove, and install, the bolts holding the thermostat housing to the motor. Uhmmm...I'm not so sure this is correct. I believe if you follow your top hose the the block, you will find your thermostat there. Its encased in a housing. If your facing the vehicle, it should be on the left hand side.

If you follow the upper radiator hose, you will find the thermostat housing, the thermostat is inside this. Please ignore the idiot who replied to this question earlier, he obviously has no idea what a thermostat is. The thermostat stays closed until the coolant inside the engine reaches what temperature the tstat is, at which point it opens and allows coolant to flow through the hoses and the radiator to cool it before returning to the engine to continue the cycle.

remove thermostat housing and lower radiator hose from block flush through block.

First step is drain the cooling system. Follow the upper radiator hose to the thermostat housing. Remove the clamp from the hose and remove the hose from the housing. You have two bolts holding the thermostat housing onto the block, remove both bolts. The upper bolt can be taken out with a ratchet (13mm) but the lower on is going to give you problems. You will need to remove it with a combination 13mm wrench. Because this area is so hard to get at it will take some time to remove but you can get it out. Once both bolts have been removed you can pull off the thermostat housing. You will notice that the housing has one hole for the upper bolt and a slot for the lower bolt. This is what is going to save you a lot of pain later on. Here's the trick to putting it together. Don't use the same bolt on the lower block. Get a bolt that is at least a quarter inch longer. The length isn't going to matter because the bolt goes all the way through the mount. You will now hand thread the lower bolt a couple of turns to hold it into the housing. Put a little grease on the rubber seal to keep the thermostat from falling out of the housing and install the new thermostat. Because the lower bolt goes into a slot and because it is longer then the original bolt you can actually work the thermostat housing against the exhaust heat shield and over the thermostat that is sticking out of the housing and slid the slot onto the lower bolt. Then tighten the bolts down. This will take some time but it will save you a chunk of change. You now owe me a beer.

2.2L OHV Engines * Drain coolant (about 1 gallon) from the radiator until its below the thermostat housing * Disconnect the radiator hose from the thermostat cover * Remove the bolts and lift the cover off you mat have to tap the cover with a soft-face hammer to loosen it * Not how its installed then remove the thermostat 2.3L and 2.4L OHC Engines * Drain the coolant from the radiator * Remove the exhaust manifold heat shield * Remove the cover that protects the outlet pipe on the thermostat housing by accessing cover bolts through the exhaust manifold runners * Raise and secure the car on jackstands * Disconnect the radiator hose from the metal outlet pipe * Remove the outlet pipe bolt and carefully separate the outlet pipe from the thermostat housing and the engine block * Note how its installed then remove the thermostat from the outlet pipe

2.2L OHV Engines * Drain coolant (about 1 gallon) from the radiator until its below the thermostat housing * Disconnect the radiator hose from the thermostat cover * Remove the bolts and lift the cover off you mat have to tap the cover with a soft-face hammer to loosen it * Not how its installed then remove the thermostat 2.3L and 2.4L OHC Engines * Drain the coolant from the radiator * Remove the exhaust manifold heat shield * Remove the cover that protects the outlet pipe on the thermostat housing by accessing cover bolts through the exhaust manifold runners * Raise and secure the car on jackstands * Disconnect the radiator hose from the metal outlet pipe * Remove the outlet pipe bolt and carefully separate the outlet pipe from the thermostat housing and the engine block * Note how its installed then remove the thermostat from the outlet pipe

2.2L OHV Engines * Drain coolant (about 1 gallon) from the radiator until its below the thermostat housing * Disconnect the radiator hose from the thermostat cover * Remove the bolts and lift the cover off you mat have to tap the cover with a soft-face hammer to loosen it * Not how its installed then remove the thermostat 2.3L and 2.4L OHC Engines * Drain the coolant from the radiator * Remove the exhaust manifold heat shield * Remove the cover that protects the outlet pipe on the thermostat housing by accessing cover bolts through the exhaust manifold runners * Raise and secure the car on jackstands * Disconnect the radiator hose from the metal outlet pipe * Remove the outlet pipe bolt and carefully separate the outlet pipe from the thermostat housing and the engine block * Note how its installed then remove the thermostat from the outlet pipe

2.2L OHV Engines * Drain coolant (about 1 gallon) from the radiator until its below the thermostat housing * Disconnect the radiator hose from the thermostat cover * Remove the bolts and lift the cover off you mat have to tap the cover with a soft-face hammer to loosen it * Not how its installed then remove the thermostat 2.3L and 2.4L OHC Engines * Drain the coolant from the radiator * Remove the exhaust manifold heat shield * Remove the cover that protects the outlet pipe on the thermostat housing by accessing cover bolts through the exhaust manifold runners * Raise and secure the car on jackstands * Disconnect the radiator hose from the metal outlet pipe * Remove the outlet pipe bolt and carefully separate the outlet pipe from the thermostat housing and the engine block * Note how its installed then remove the thermostat from the outlet pipe

2.2L OHV Engines * Drain coolant (about 1 gallon) from the radiator until its below the thermostat housing * Disconnect the radiator hose from the thermostat cover * Remove the bolts and lift the cover off you mat have to tap the cover with a soft-face hammer to loosen it * Not how its installed then remove the thermostat 2.3L and 2.4L OHC Engines * Drain the coolant from the radiator * Remove the exhaust manifold heat shield * Remove the cover that protects the outlet pipe on the thermostat housing by accessing cover bolts through the exhaust manifold runners * Raise and secure the car on jackstands * Disconnect the radiator hose from the metal outlet pipe * Remove the outlet pipe bolt and carefully separate the outlet pipe from the thermostat housing and the engine block * Note how its installed then remove the thermostat from the outlet pipe

2.2L OHV Engines * Drain coolant (about 1 gallon) from the radiator until its below the thermostat housing * Disconnect the radiator hose from the thermostat cover * Remove the bolts and lift the cover off you mat have to tap the cover with a soft-face hammer to loosen it * Not how its installed then remove the thermostat 2.3L and 2.4L OHC Engines * Drain the coolant from the radiator * Remove the exhaust manifold heat shield * Remove the cover that protects the outlet pipe on the thermostat housing by accessing cover bolts through the exhaust manifold runners * Raise and secure the car on jackstands * Disconnect the radiator hose from the metal outlet pipe * Remove the outlet pipe bolt and carefully separate the outlet pipe from the thermostat housing and the engine block * Note how its installed then remove the thermostat from the outlet pipe

2.2L OHV Engines * Drain coolant (about 1 gallon) from the radiator until its below the thermostat housing * Disconnect the radiator hose from the thermostat cover * Remove the bolts and lift the cover off you mat have to tap the cover with a soft-face hammer to loosen it * Not how its installed then remove the thermostat 2.3L and 2.4L OHC Engines * Drain the coolant from the radiator * Remove the exhaust manifold heat shield * Remove the cover that protects the outlet pipe on the thermostat housing by accessing cover bolts through the exhaust manifold runners * Raise and secure the car on jackstands * Disconnect the radiator hose from the metal outlet pipe * Remove the outlet pipe bolt and carefully separate the outlet pipe from the thermostat housing and the engine block * Note how its installed then remove the thermostat from the outlet pipe

2.2L OHV Engines * Drain coolant (about 1 gallon) from the radiator until its below the thermostat housing * Disconnect the radiator hose from the thermostat cover * Remove the bolts and lift the cover off you mat have to tap the cover with a soft-face hammer to loosen it * Not how its installed then remove the thermostat 2.3L and 2.4L OHC Engines * Drain the coolant from the radiator * Remove the exhaust manifold heat shield * Remove the cover that protects the outlet pipe on the thermostat housing by accessing cover bolts through the exhaust manifold runners * Raise and secure the car on jackstands * Disconnect the radiator hose from the metal outlet pipe * Remove the outlet pipe bolt and carefully separate the outlet pipe from the thermostat housing and the engine block * Note how its installed then remove the thermostat from the outlet pipe


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