Otherweise, check your coolant system. If it's overheating, you might be pulling more than it's rated for. Just depress the little thing like you were letting the air out of a t … ire, but protect your eyes, there might be a spray of fuel in your face! If you haven't flushed it out in a few years, it's probably time. Beyond the fact that the engine is wor … king harder most of the 97-2004 f-150's use a small transmission cooler in conjunction with a system that runs transmission fluid through the radiator to cool it. . If you plan on doing a lot of towing it is highly recommended to add a large external transmission cooler.
You can still have the fluid run through the radiator if you'd like or you can separate the systems all together. Make sure you have the overdrive switched off to prevent unnecessary shifting. If you choose to separate the systems all together you need to add a transmission temperature gauge as the only warning that the transmission is overheating in the current configuration is that the radiator gets too hot. It's working a lot harder when you're pulling a trailer, so it will always run hotter. . .
. . . . . . .
. . . . . . .
. . . . .
. . . . .
. . . . . . .
. . . . . .
. . . . . . .
. . . . . . .