What a nightmare.....
07-03-2014, 03:22 PM
#1
3rd Gear Member
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Join Date: Apr 2008
Location: South Carolina
Posts: 818
What a nightmare.....
Two weeks ago I thought I had a defective cooling fan. I sent my newly acquired Ford Racing cooling fan (3 months old) back to Ford Racing and they sent me out a new one.
Today I received an email from Ford Racing saying that their engineers looked at the fan I have sent them, and after testing found the fan working just fine (both speeds). Later that day I receive the brand new fan, and sure enough after the install, it fails to start.
Once again I checked the relays, fuses, wiring and the fan plug. I even checked the underside of the fuse box to make sure there are no burn marks as one member recommended. Everything looks fine. I am completely stuck guys, I do not even know where to begin other than putting it in a shop, which sucks, for a simple cooling fan issue.
Today I received an email from Ford Racing saying that their engineers looked at the fan I have sent them, and after testing found the fan working just fine (both speeds). Later that day I receive the brand new fan, and sure enough after the install, it fails to start.
Once again I checked the relays, fuses, wiring and the fan plug. I even checked the underside of the fuse box to make sure there are no burn marks as one member recommended. Everything looks fine. I am completely stuck guys, I do not even know where to begin other than putting it in a shop, which sucks, for a simple cooling fan issue.
Last edited by defiance; 07-03-2014 at 03:25 PM.
07-03-2014, 09:01 PM
#3
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Location: South Carolina
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No it does not turn on with ac either. What is a thermo switch, the thermostat ? I replaced the thermostat 3 months ago as well, but I can check it again if that's what you are referring to.
07-03-2014, 10:01 PM
#4
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Join Date: Aug 2008
Location: Panama City, FL
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The fans operate according to temps of the engine plus they kick on high when the a/c is turned on. Need to locate those sensors and see if they are functioning. Cannot direct you on their location at this time.
07-04-2014, 08:45 AM
#6
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Yes, the gauge works just fine. And to followup on AzPete's post, I believe our cars only have one sensor, water temperature sensor in the thermostat housing in a v6, and a Cylinder head temperature sensor in the v8.
Last edited by defiance; 07-04-2014 at 02:11 PM.
07-04-2014, 10:45 PM
#8
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07-05-2014, 08:29 AM
#9
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Have you used a volt meter to check for power at any of the relays and plugs? That is the only way to really verify what is happening.
As a temporary fix to drive the car, you could wire the fans to a manual switch that you turn on when the car is running. That would also verify the fans work.
As a temporary fix to drive the car, you could wire the fans to a manual switch that you turn on when the car is running. That would also verify the fans work.
