Lx..basic escort..just had a used engine put in..The car overheated today and the fan is'nt kicking in..No circulation.. I pulled the hose off the thermostat and the sensor closest to the hose bib has the black wire broken..will this cause my problem? and is there a way to check your thermostat..350 engine I can do ..this is completely different..If I can only replace that it will save a lot of work..Thanks
There are probably Experts with more experience on this engine but I will try to help. You need to fix the broken wire or replace that sensor. That being said, there are some Ford engines which have 2 water sensors with one operating the coolant fan and the second for the dash gauge or trouble light. The electric coolant fan can also have 2 speeds.
For lack of water circulation, this is a water issue. The most probable cause is a stuck thermostat or air lock. I remember someone writing into Fixya about a plastic impeller falling off the water pump and it might be a good idea to check out a new water pump or pull your old water pump from the old engine and see if the impeller is plastic.
Finally, were there any issues with the replacement motor? It is possible to have bad head gaskets or clogged water passages. This would be hard to check. Having a motor of KNOWN quality can protect you from problems like this.
SOURCE: Cooling fans will not kick in.
The fans won't kick on then you need to replace the coolant temp sensor this runs your fans.
SOURCE: 1991 Ford Escort fan will not turn on and motor overheats.
some water from the tail pipe is normal but if the car is running bad then it is possible the head gasket is blown. on the escorts that i have owned i have found that the main relay is usually burned and needs to be replaced. it is possible that the fan is dragging and burning this relay up if this relay is good then you may be better off taking it to the electrical shop.
SOURCE: 1997 ford escort speedometer not working
Well our escorts are built in liverpool uk and valencia here in spain,and if this is the problem with the autos many thanks for the info as it always comes in handy providing that i can remember it all .When you are a general mechanic like myself and not a dealer only so to speak ,then you have to fault find as you go along and work from basics.Now this is all very well on older vehicles but some of these new ones i cant evan change a battery without the immobiliser cutting in.Some of the newer mercs and VWs i cant evan change the oil or the brake pads without the immobiliser coming on.Also please dont mention the real bane of my life -----RENAULTS---and encrypted software .How these cars do in the states where the OBDII plug is connected into the car to test the emmisions ,with their renault only plug connector layout and encrypted software that would do mossad or the cia proud i can only wonder ??
SOURCE: Here's a wierd cooling fan issue
Thats not too weird as the car would kick on the fans at full speed when it detects a problem with the sensor. Your ECU is not reading the sensor properly and needs to be checked by Ford. I hope this helps you.
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