Was wonder about heating issue with 22RE engine. When I drive my truck in warm air temperature or on sand (increased engine stress), the engine temperature gauge displays in the middle or about 3/4 of the way up the meter. It will go to red only if I am running it hard on soft sand for about 2 miles in 1st gear (usually I do not need to run it like this though.) If idle, should the fan engage and "roar" when the engine temperature exceeds a certain limit? I have not heard this roar yet, and the fan seems to only cycle with the normal engine RPM. I was thinking I may need to replace the fan motor and/or perhaps the thermostat?
Its an odd condition though, since the engine does not "overheat" but just seems to run a little hotter than normal.