Wow! doi ng it from the top side looked to be very difficult. I decided to go from the bottom and remove the starter. After that, not too bad a reach. It would have been a 30 minute job, but the aftermarket temperature sneson had a larger size terminal stud and my connection would not just...

Thanks for this information! I can barely see it now from the top/front of the engine. Do you have any suggestions/tricks that you learned getting to this sensor? It looks like a real pain!Thanks!

I have a 1986 F150, 4.9L , Manual transmission. The Temperature Gage is not reading. The IVR on the instrument cluster is working. Steady voltage on one terminal and pulsing on the other terminal. The Coolant temperature sensor is at the thermostat housing outlet. It is a TWO (2) wire...