I have a problem with my 1994 Acura Integra LS. It keeps overheating... PLS HELP!!!

Question

OK I changed the thermostat and i works fine and the fans turn on. So i dont know what it is. There is no leaking water or coolant. More info: when i drive my car in the freeway, it runs good and it doesnt overheat. But once i pull to the street it starts overheating and i dont know what to do anymore. PLS HELP!!!

Answer 1

check if all your fluids are full like the anti freeze and the oil. if that doesnt work seek a pro

Answer 2

Are you sure the fans are coming on?? Make sure they are working while your A/C is off !!!  At higher speeds your radiator uses the fast moving air to keep cool.  In town there is no high speed air to cool the radiator, so the fans are used to create high speed air.  Sounds like the fans are not working properly.  When it starts to overheat have you tried turning your heater on high to see if it helps cool down the radiator?

Answer 3

hi before you ruin your engine id get it to a shop and have it checked out

Answer 4

Sounds like you got a air bubble in the system. what you need to do is find the bleeder valve , which on most car there on the thermostat housing or near by.They look like a greese fitting,All you have to do is loosen that bleeder valve up ,then start filling your radiator until water starts to come out of the bleeder valve ,nowclose it back up.Start your car and let it run for awhile ,you may have to bleed it while the engine is running to get all the air out. This happened to my before.

Answer 5

There are only 2 reasons why an engine, ANY engine overheats. The cooling system is not working as it should or the cooling system is overloaded. You've changed the thermostat which is the most common problem as to a cooling system not working properly. The second reason is air in the system. Have you really vented out all of the air? Some cars have several vent points in addition to the top of the radiator. If you have multiple vent points, be sure to vent the air out of each. Air in the system retards coolant flow and you NEED proper coolant flow for the system to work as designed. The third reason is the fan, which if not working to move enough air will make you car work as you describe. A mechanical fan driven by a belt will not be a problem unless it has a thermostatic clutch. A thermostatic clutch senses the temperature of the air and as the surrounding air gets hotter, engages the fan. If you have one of these thermostatic fans, then you will see a disk thing on the shaft of the fan with fins or many small grooves. Replace this fan if you have one as this clutch failing could account for your symptoms. If you have an electric fan, the thermal switch which turns on the fan may be the cause of overheating as at slow speeds the fan does not turn on. When traveling at speed, the natural air flow through the radiator is enough to cool the engine, but at slow speeds, without a fan, the air flow is not enough to cool the radiator enough. Lastly, overloading of the system. If everything IS working properly, the thermostat and fan switch and no air bubbles retarding coolant flow, then you MAY have a head gasket leak which allows exhaust gas, HOT exhaust gas, to enter the cooling system. The additional heat from the exhaust overloads the capacity of the system, resulting in overheating at slow speeds when the fan provides limited heat removal. The only way to tell if it is a small head gasket leak is a shop where they can perform a pressure test of your coolant system. From what you say happens and what you have done to date, I am leaning toward a small head gasket leak into the cooling system, which will only be verified by an auto shop doing a pressure test.