Originally Posted by
ob1marty
fitted a 1.6 cvh engine in my mk3 escort new stat fan switch temp sender etc but fan cuts in right in the red and only for about 5 seconds is it possible i have a defective fan switch i thought the fan normally cuts in around 3/4 on gauge and stays on for atleast longer than 5 seconds . heaters blow hot so dont think its airlocked coolant level not dropping tried with stat out still same but takes longer to get hotter top and bottom hoses hot
I have always been told that the fan trigger switch either works or it doesnt so i would say everything is fine and it could just be you have the wrong temp sender or your gauage is out. The one on my turbo only came in just as it was touching the red, its just the way it was.