Originally Posted by fordowner05
The temp gauge on my 2005 Ford Freestar fluctuates wildly at highway speeds. But when I look under the hood the engine does not seem to be overheating. I've already changed the thermostat and the same problem exists. So I will try to replace the temp sender, but I'm not sure how to access it. Has anyone done this before? If so please write down a brief step by step. (Did you have to remove the upper manifold or is there an easier way to access it? If you did have to remove, did you also have to get new ring seals or were you able to reuse?)
Hello and good day to you:
is this a 2005 Ford Freestar Engine:
V6-242ci 3.9L F/I Vin 6
V6-256ci 4.2L F/I Vin 2
Can you please advise??
The coolant temperature sensor is near the thermostat housing and the cylinder head temp sensor is at the rear of the left cylinder head.
AutoZone.com | Vehicle Selection - Year
Autozone has free repair guides here. Select your vehicle and go to "Engine Performance & Emission Controls" for many sensor locations. Good luck!