Originally Posted by
shall36
I installed a set of the GMTPMS sensors for their trailering package on my aluminumRanger wheels. It’s a pretty simple process. TheTPMS sensors, Ford included, basically have a stem that you unscrew. The body goes into the wheel flush against The rim on the inside, and you screw the stem on from the outside of the wheel. The stem holds the sensor in place. There’s a rubber grommet that seals the sensor inside the wheel.
I actually used the foot of my motor to break the bead on these tires. I put a block of wood Next to the rim and then trim down and used my Jack plate going down to break the beads. Once the bead is broken, you can slice off the standard valve stem and insert the TPMS. Using compressed air, I reset the bead and inflated the tires. I later took the tires back down to the tire shop to have them balanced.
make sure if you order sensors that they are the correct ones to work with your trucks system. GM uses a different sensor for trailers than it does for vehicles. There are two different GM stem sizes with the extra large size being designed for very heavy duty trailer wheels, such as heavy fifth wheel trailers. Also, the heavy duty GM sensors will register air pressures well above 130 psi. The standard sensors only go up to like 100 psi. I cannot tell you what Ford does, but I bet there are Ford truck forms where this has been discussed extensively.
Training, the sensors is easy on the GM, but you have to have a sensor tool. The tool itself is pretty cheap and is available on Amazon. You use the trailering app in the GM system to put the system into learning mode and you walk around the trailer with your device to activate each of the sensors. The system is supposed to honk the horn and flash the lights when the sensor is registered, but There is a bug in the software and those things don’t happen. it’s easier to have a person in the truck cab to verify that the system is registering each sensor as you go along.
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