Question about 1994 Ford Escort
Since you have replaced the relay and fan switches, does the fan come on with high engine temperature? If not, this fan must run with engine temperature or the engine will overheat. If so then check the radiator for clogs, and the thermostat. Start the engine and run until normal temperature, feel the radiator carefully by hand, it should be hot at the top and generally get cooler as you feel toward the bottom, without any cold spots. If you find a cold spot then the radiator is plugged and needs to be cleaned or replaced. The thermostat is located at the left end of the cylinder head, underneath the ignition module on the 1.9L, it could be stuck closed, a good method of checking this it to feel the upper radiator hose while the engine is warming up, it should become very hot as the engine runs, so be careful not to burn your hands. If it stays cold until the engine is overheated then it is stuck closed. Also check the exhaust pipe, with antifreeze in the cooling system there should be no white smoke coming out while engine is running, if there is the cylinder head gasket may be blown, this will require more intense repair and should be taken to a shop. Hope this helps, let me know.
Posted on Aug 04, 2010
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Posted on Jan 02, 2017
SOURCE: Cooling fan wont work
The water temp sensor is located near the thermostat housing. This sensor is what tells the ECM to turn the fan on/off. The water temp sending unit is located near the same area. You know you have the correct sensor is because the water temp sensor has a 2 prong plug. The water temp sending unit only has 1 prong.
Posted on Sep 27, 2008
This is the only way to tell if the fan motor is good:
Locate the wiring connector that comes out of the cooling fan. Examine the wires going to the fan motor connector from the engine room harness. Look for the Black with a Red tracer wire going to the fan motor connector FROM the engine harness, before the fan connector. This is the "power in" wire...Remove some of the insulation on the Black/Red tracer wire to expose the copper. Using a suitable length piece of wire, connect one end to the Positive battery post. Being real careful, connect the other end of thie wire to the now exposed copper on the Black/Red trace wire. EXPECT to see a spark. If the fan runs, the fan is good. If the wire starts to smoke, or gets real hot, the fan is locked up, and no good. Please reply if you need further diagnosis info.
Posted on Oct 16, 2008
The thing to do is to look in your main fuse box under the hood and check to see if the fuse for that is blown. Another solution is to direct wire the fan from the fan itself to the battery, that will help you to determine if its a relay or if your fan motor has gone bad.If its works when hooked direct you can run a wire to theinside of the car and attch it to a toggle switch.
Posted on Apr 23, 2009
SOURCE: engine overheating
Try to flush the system And inspect radiator. When moving the engine is also cooled by air. Make sure the water is circulating trough the manifold and the heater core. You can do this by atching a garden hose to each hose one at a time. You may also want to check the waterpump & thernostat..
Posted on Jul 22, 2009
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