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

1 Answer

What should the temperature of the heater core inlet hose be?


heater hoses run from the rear of the block to the water pump. One hose into the heater should be hotter than the other because heat is transferred in the heater in the car. . The cooling system draws water from the bottom of the radiator ( water pump inlet)which is always cooler than the top hose and dispenses it throughout the engine and heads including the heater core. It is then pushed past the thermostat with all the heat from the engine to the top of the radiator where it is cooled down by the air passing through the radiator . Check that the air vent for the cabin is set to recirculated cabin air and not fresh air from the outside as it will require recirculated air to increase in temperature to work properly

Nov 14, 2014 | 2006 Pontiac Grand Prix

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

My 2006 Pontiac Torrent cooling system was flushed. Then later experienced overheating and loss of heat. Heater hoses found leaking were replaced. Problem recurred. Cap was replaced and pressure is...


Even if there were no hydrocarbons detected I am almost positive you have a bad head gasket.Usually the back head on the number one cylinder.Almost all the ones I have done with this exact problem has been the rear head and the number 1 cylinder.Hair line crack between the cylinder and water jacket.I always replace both head gaskets.Hope this helps.Good luck.

Mar 04, 2011 | 2006 Pontiac Torrent

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

I have a 90 GMC Suburban with 350 engine. Started losing radiator fluid. But a gallon of radiator fluid in it, started it, ran it for a while. Let it cool off. Checked radiator fluid. Has brownish,...


you can undo the two hose going to heater core and join together.milky brown oil is sign of head gasket,check oil level and condition.over ful and milky means head gasket.

Feb 14, 2011 | GMC Suburban Cars & Trucks

1 Answer

Heat does not work


One or more of:

1. Your coolant level is low
2. Your thermostat doesn't close and needs to be replaced
3. The valve from the cooling system to the heater core is stuck
4. Your heater core is clogged

Dec 17, 2009 | 1999 Ford Escort

2 Answers

My heater not working, i replaced thermostat and radiator hoses, had radiator flushed and rodded, and still no heat. What is wrong?


Too much blockage in heater hoses or heater core.
Bypass valve may be stuck on "bypass" .

1. Remove bypass "Tees", but don't discard.
Replace with straight-through hose fittings.
The core may start leaking under the water pressure since there is no bypass hose.

Once the heater starts working, put Tees back in place. You need bypass protection or the engine will overheat.

Sep 25, 2009 | 1996 Ford F150 Regular Cab

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