ON the coolant resevoir, look for the hose that runs to a tubular metal connection, it is a smaller hose at the top, make sure coolant flows out when the car is started, willing to bet it is blocked from the point where it connects to the heater core unit. I had the same problem. car works fine now
Remove the thermostat housing screws and separate the housing, exsposing the thermostat and coolant, remove old thermostat and gasket. Reinstall new thermostat, gasket and coolant.
, I have worked in MoPar service departments for 12 years and was a ASE certified tech., unfortunately my Intrepid also needs a thermostat and I couldn't believe where they configured the location, it's completely nuts. I would say your mechanic is just about correct unless something goes wrong and it takes longer.
If the coolant level is correct there are at least two reasons. First one is the thermostat and second one is the temperature sensor. You have to check basically the coolant level, the thermostat and the temperature sensor.
Overheating is due to, well, the coolant in the cooling system getting too hot. In a normally operating engine, this should never be a problem. First, check that the coolant level is correct. If it is correct, I would suspect a problem with the thermostat. When the engine is cold, the thermostat closes off coolant flow through the engine until the coolant reaches a pre-determined temperature. When that temperature is reached, the thermostat opens to allow the coolant to circulate at that exact temperature. Thermostats are known for failing and either not opening or not opening enough at that pre-determined temperature. This causes coolant to get trapped too long in the engine coolant chambers, heating it beyond limits, causing the engine temperature to increase and possibly overheat. If my Maxima was overheating, I would check the coolant levels and then possibly replace the thermostat. It usually is no more complicated than that.
The thermostat is located under the thermostat housing which is connected to the engine side of the upper radiator hose, and bolts to the intake manifold with 2 bolts. To replace, drain and properly dispose of coolant, remove upper radiator hose, and remove thermostat housing. The thermostat sits in a recess between housing and manifold. Replace with correct thermostat with the correct side facing engine, new gasket and a little sealant.
Should be spring side down most engines. The bi metal parts that cause it to open are generally on that side and have to be exposed to the coolant so it operates at correct temp.
The wrong thermostat has been installed, perhaps a winter thermostat for a cold climate when you live in a warm climate. Or maybe the coolant level is low due to a leak. Two possibilities anyway. Make sure you are using the correct thermostat for that vehicle and that it is opening and closing properly((sometimes even a new thermostat can be a bad one)) also check coolant levels,make sure you are using engine coolant in the system and not just plain water only......a minimum mixture of 50% anitfreeze/coolant and 50% water is normal..you can even by the pre-mixed engine coolant from autoparts store.. If your thermostat is operating properly and you have installed a new radiator then the next option is to have the vehicles coolant(water)pump checked to insure it is operating properly...also have the vehicles temperature sensor check to insure it is operating properly... Also since you replaced the thermostat and the radiator you drained the entire system and now you may have air trapped in the system,when the coolant system is filled at the factory and at most garages/dealerships they pull a vacuum on the system until the radiator hoses collapse and then fill the system with engine coolant...this prevents air being in the system which can cause cooling problems as well... I want to add there is a specific way to install a thermostat. It has to be placed in the certain position inside of the inlet. There is a special marking to assist you.
Engine - 5w30 Trans - Mopar ATF+4 Brake - DOT 3 Coolant - green Power steering - power steering fluid AC - R134a
There are a few things that could be causing your 200 BMW 528i to overheat. You may not have the correct mixture of coolant in the vehicle. The problem could also be your thermostat. Have the thermostat checked out to ensure that it is working as it should.
If coolant level is correct--sensor may be bad If coolant level is correct--sensor may be bad
Where The Top Radiator Hose Clamps Onto The Engine. Where It Clamps On Is Called A Thermostat Housing. Drain The Coolant Down Some From The Radiator. Remove The Top Hose End From The Thermostat Housing. Remove The Housing From Manifold, Remove Thermostat Install In Reverse Order. Be Sure To Install Thermostat In The Correct Direction & Be Careful That It Fits In The Groove In The Housing Or You Can Crack The Housing. Add The Coolant You Took Out And Get A Bottle Of ( water pump lubricant & rust inhibator) Small Plastic Bottle . Good Luck
use a vortex coolant
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
I just did mine. Look it up on google to find the correct location as you may have a diferent engine than me. Once you find it take the coolant pipe off and wait till the antifreeze has drained out then unscrew where the pipe conects to and it should be in there. I found the correct location by following the water pipe. Please make sure the coolant is cold before you do this also have a gasket, gasket cement and the new thermostat before you do this.
That is the correct spelling of "thermostat" (temperature control device).
Yes, as long as you are using the correct coolant as recommended by the vehicle manufacture.
Make sure you have the correct thermostat in there, if it is set too high you will get that bouncing. The thermostat is set to open at a certain temperature and allow the coolant to exchange with what is in the radiator. Under normal conditions you will notice a rise and fall of the temp gage as the coolant reaches max temp then lowers after the exchange. An overly sensitive sensor or an aftermarket gage set up will exaggerate it. I would not worry too much since it is a good indication that your cooling system is working well, the coolant in the radiator certainly seems to be cooling down enough to cause a big swing in temp. Check on that thermostat though as it may be letting the coolant get too hot before releasing it.
Since you failed to specify the engine all I can say is this: Carefully drain the coolant to the thermostat housing level so that none contaminates the ground. Remove all hoses and electrical connectors from the thermostat housing. Make sure you have the appropriate gaskets and seals for your engine by looking through the hose openings. If everything is correct, unbolt the housing and remove all gasket material from it without damaging the susurfaces. Reassemble being careful to center the thermostat in its correct position. If it moves during re assembly use a hook to hold it in place during the last bit of tightening. Fill with new coolant and "burp" the system.
If coolant level is correct - could be a defective sensor
Sounds like your thermostat is frozen open or has been removed so that the coolant constantly circulates and never really gets a chance to get hot. Purchase the proper heat range thermostat and housing gasket and replace it.
Drain the coolant from the radiator until the level is below the thermostat housing # Remove radiator upper hose and heater hose at thermostat housing. # Disconnect wiring connector at engine coolant temperature sensor. # Remove thermostat housing mounting bolts, thermostat housing, gasket and thermostat , Discard old gasket. # Clean the gasket mating surfaces. == # Install the replacement thermostat so that the pellet, which is encircled by a coil spring, faces the engine. All thermostats are marked on the outer flange to indicate the proper installed position. ## Observe the recess groove in the engine cylinder head ## Position thermostat in groove with arrow and air bleed hole on outer flange pointing up # Install replacement gasket and thermostat housing # Tighten the housing bolts to 22 N
YOUR THERMOSTAT MAT BE STUCK OPEN. first check your coolant level if low add 50/50 mix antifreeze and water make sure it is the correct antifreeze. cheaper easier fix. other wise clogged line, thermostat, guage