Question about 1988 Ford Thunderbird
Hard to say without seeing. The fan is energized by a relay that is activated by several means. The relay could be sticking. One of the sensors that energizes the relay, is a switch to ground, at the bottom of the intake manifold. If the switch was changed out for a temp sensor it would stay on until the engine cooled. If the wire is chaffed and touching ground, the fan will stay on.
Posted on Aug 10, 2010
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Posted on Jan 02, 2017
this is not a rare problem. usually it is resulted from a high temperature of water. so, when the water reaches high temperature it needs a cool and thats why fan automaticaly turnes on, nonetheless car is turned off or not. and when the temperature of water decreases (after several minutes) fan automaticaly turns off. I think you have to find the reason in the water sistem. One of the frequent reason of high temperature of water is when radiator spills water after wich water temperature increases. or, in easy event, radiator needs little water to add.
I hope my comment will help you to solve your problem
Posted on Mar 27, 2009
As long as the fan eventually shuts off this isn't a problem,the fan will continue to run for a bit after the car is turned off,once it reaches a set temprature it will turn off.
Posted on May 02, 2009
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