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Old 06-15-2012, 06:22 AM   #1
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Ok, so I want to lift my van and put Falken Rocky Mountain ATS 33's on it. Just talked to my mechanic who will do the work and he asked if the van had electronic tire pressure
monitoring which it does. He said that it would be costly to adapt the new tires to the this really a problem? Can't you just put them on and connect the system?

Can someone clear this up for me?



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Old 06-15-2012, 09:21 AM   #2
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Are the 33's D rated tires like the smaller ones I saw when I did a google search? How much does your van weigh? If they are D's are you sure you want to put them on your rig?


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Old 06-15-2012, 10:53 AM   #3
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The Tire Pressure Monitoring System or TPMS is standard on all cars, vans and trucks under 10,000 lbs GVW starting in the model year 2008.

If you use the stock size rims reinstall the TPMS sensors into the new rims they might still work even with it lifted and the larger tires. You might check on some Ford truck forums as the system should be the same. As far as I know there is no shutting off the system but you can just remove the sensors and live with the light being on. The bulb is not removable so people wont just remove or bypass the system. I am not sure if by law your tire guy can remove them or not, it might be a state to state thing to inforce as it is a Federal Law. When I my van at a dealer the light was on and they said they were not required to repair it. When I tried to repair it I found out some had removed all of the sensors when they installed new tires. I think you could get a 10,001 lb body control module to shut it off but I am not sure.

Gnarvan is correct you really should get E rated tire for your van. It has been discussed here many time in the past.
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Old 06-15-2012, 11:38 AM   #4
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The stock TPMS sensors will work with may aftermarket wheels, but not all.

The bigger issue is that typically wider tires need lower pressure (since PSI*contact patch is what connects you to the ground) for ideal traction, and preventing center wear. Also, many larger tires have a lower psi rating unless you go Load Range E. The stock TPMS cannot be reprogrammed to allow lower pressure. If you can find a tire/wheel combo which you can run at spec PSI, and the sensors fit, you can run the stock TPMS system.
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