Question about 1992 Ford Escort 4 Door

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Engine overheating 92 ford escort , over heats , weve replaced , head , radiator, thermostat,bypassed heater core, all fluids are fresh and clean no discolor. did not change water pump though , could it not be working properly. does it need to be replaced even though it does not leak .

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If the water pump is pumping you should be able to see moving water/engine coolant in the radiator when the radiator cap is removed and the thermostat is open.
Have you checked to see if your electric cooling fan is operating properly?

Posted on Jul 27, 2008

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I have an over heating problem with my 1989 Ford festiva I have changed the thermostat with a new one I have also bypassed the heater cor and it still over heats help me out here thanks


When the motor is hot feel the radiator core to see if it's hot all over,if not the cores are blocked ,clean or replace.
Then check the oil is not milky ,check for a blown head gasket.

Mar 29, 2016 | Ford Cars & Trucks

2 Answers

WILL A BLOWN HEATER CORE CAUSE A CAR TO OVERHEAT


No a heater core alone will not cause a vehicle to overheat. The heater cores sole purpose is to transfer heat generated by the engine to the blower motor so that you can get heat from your car vents. A person could technically remove the heater core from the vehicle and connect the hoses together to bypass it, and the car will run as if nothing happened, minus the lack of heat in the vents.

If the car is overheating, there are three mai issues that could be happening. 1) The radiator is blocked and not allowing coolant to be cooled off before returning to the engine.
2) The water pump is broken. The engine relies on this pump to move the coolant throughout the engine. It may not leak as long as the gasket is alright but the impeller ( small fans on the inside of the water pump ) could not be turning.
3) Lastly and most commonly is a faulty Thermostat. The thermostat is the valve which opens and closes at certain tempuratures and decides if hot coolant stays in the engine or circulates to the radiator to be cooled off. If the thermostat fails, unless you have a failsafe one, will fail in the closed position keeping the hot coolant in the engine and causing it to overheat.

The thermostat is by far the cheapest of the issues so consider changing that first along with a coolant flush before considering putting a new rad or waterpump. You can usually get a thermostat, 2 jugs of coolant and a flush kit for about 50$ at pretty much any parts store. Becareful however not to drive a overheating vehicle as gasket burning and head warpage can occur, which will require rebuilding th head.

Good Luck

Jul 14, 2012 | 2000 Dodge Neon

1 Answer

Trying to bypass the heater core


The following suggestion is as old as the water cooled engine but it still works better than any solution you can buy at an auto parts store.

Total cost: $2.00

  1. Drain1.5 gallons of water from the radiator.
  2. Close the drain **** and add one gallon of boiling water.
  3. Pour in one pound of baking soda.
  4. Pour in one pint of distilled white vinegar.
  5. Replace the radiator cap immediately.
  6. Run your vehicle for fifteen minutes.
  7. Flush the radiator and fill with clean water.

If that didn't do the job, you are going to have it boiled out at your local radiator shop. The cost will be approx. $30.

Jun 04, 2012 | 2004 Chevrolet Silverado

1 Answer

I have a 1.8 liter 92 mitsubishi eclipse. I have already changed the radiator the head gasket and the water pump but it keeps overheating. I have also changed the thermostat and radiator cap. It still...


YOU NEED TO FLUSH THE RADIATOR AND CYLINDER BLOCK AND HEATER CORE.CHECK ENGINE OIL IN CRANK CASE IF LOOKS LIKE MILK SHAKE YOU HAVE A BLOWN HEAD GASKET.WHICH WILL CAUSE ENGINE TO OVER HEAT.

May 10, 2011 | Mitsubishi Eclipse Cars & Trucks

3 Answers

1997 Cirrus is still overheating... The heater does not blow out hot air...would the heater core cause the vehicle to overheat? if not, what other problems am I looking for, I was loosing anti freeze...


it appears that you have a large air pocket/low on coolant. The engine is getting hot due to the lack of coolant but there is no heat because nothing is flowing through the core.

Feb 20, 2011 | Chrysler Cirrus Cars & Trucks

1 Answer

Over heating 1997 Kia Sportage


Does the radiator fan operate properly? The radiator fluid level (checked when the engine is cold) must be 'at the cap' with the reserve tank about half-full. Blow out the radiator core with compressed air (from the engine side) to clean it of bugs and other debris. Does the anti-freeze look green or rust brown? If rust colored, the entire cooling system needs to be drained, cleaned with system cleaner, and refilled again with a 50/50 fresh mixture of anti-freeze and water. If combustion gases are leaking into the cooling system through a bad gasket or warped cylinder head, that will cause overheating. Check the radiator cap for condition of it's seal. Occasionally, the water pump impeller will begin slipping on it's drive shaft causing limited water flow through the system. That is checked by reducing the level of fluid in the radiator to just above the core and temporarily removing the thermostat. You will observe water moving rapidly if the pump is working.

Sep 14, 2009 | 2001 Kia Sportage

4 Answers

When you bypass the heater core the path for the water to go through the core is gone. Correct?, you have connected to engine water line out to the engine water input? thus bypassing the heater core........


No, you just won't have water flow through the heater core, Coolant flows through the engine through the lower radiator hose as the water pump sucks it out of the radiator and pushes it through the engine. It then flows out the top radiator hose when the thermostat opens. It then flows into the radiator to cool off.

Is your heater core leaking?

Aug 27, 2009 | Ford Expedition Cars & Trucks

1 Answer

1989 Ford Escort GT overheating


Sounds like to me it would be your water pump before a heater core. When the water pump goes out, it stops pumping the coolant through the system which is what would cause it to still overheat even with the thermostat out. Change the water pump and you should be good. Let me know if you have any other questions. Thanks for using FixYa!

Jul 14, 2009 | 1989 Ford Escort

1 Answer

Engine overheating


No water pump issues I am aware off, are you sure you bled the air out of the cooling system? If not fill the overflow bottle all the way full, then use a floor jack and raise the front of the car as high as you can ( this allows air to go to top of radiator tank), then run the engine at high idle speed until the cooling fan ( I assume the fan works OK?) comes on, but avoid letting the engine get into the overheat area of the guage, if it does turn it off, run water over the radiator until it cools, check the tank and radiator, top off if you need to and repeat above procedure, if this doesn't work you have some other problem like no or little flow in radiator.

Jul 27, 2008 | Ford Escort Cars & Trucks

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