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View Full Version : Engine and Coolant Sensors


gopher18
April 9th, 2008, 07:17 PM
What's up guys and gals??? Need some more help again!!!

I currently have a coolant crossover pipe on my '98 cobra that is stock. It currently has 2 sensors in it:

F5AF-12A648-AB (Passenger's side)
F77F-10884-AB (Driver's side)

Does anyone know which one of these is responsible for sending the temp to the computer and which one sends the temp to the guage cluster?

The reason I'm asking is that Ford doesn't make this crossover pipe anymore for my year and it appears that they changed it in '99 as I bought a new '99 version off of eBay and it only has 1 temp sensor (F5AF-12A648-AB).

I thought I had everything back together fine, but started blowing coolant out of the top of the block. I traced it down to this crossover pipe. It was pretty rusty so I took it out when I replaced the rest of the coolant system (minus the radiator) and cleaned it up and repainted it. I also put new o-rings on it but apparently they were too big as they look like they were damaged in the reinstallation of the pipe. Now the pipe is pretty pathetic looking so I'm wanting to go the route of the new one, just need some help with the sensors.

Thanks in advanced! :thumb_up: