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TPMS Question

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Old Mar 19, 2012 | 05:03 PM
  #1  
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Default TPMS Question

Looking to switch out my tires for take off BFG mud terrains. Question, should I use the sensors in my current tires or use the ones that come in the take offs. I've heard that I may run into issues if I don't use my original sensors. Is this true?

Thanks
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Old Mar 19, 2012 | 05:08 PM
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I don't know about the issues that you referred to but I am going to reuse my TPMS to save money.
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Old Mar 19, 2012 | 07:14 PM
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Interesting question. I am looking forward to the answer to this one.
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Old Mar 20, 2012 | 03:00 AM
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Originally Posted by scooby snacks
I don't know about the issues that you referred to but I am going to reuse my TPMS to save money.
Understand. The set I'm Looking at already has the sensor.
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Old Mar 20, 2012 | 03:18 AM
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Originally Posted by power play
Understand. The set I'm Looking at already has the sensor.
When I changed mine out, I used the original sensors. I think the new sensors would probably just mate up to the system after a few minutes of driving, but not sure. please let us know the end result.
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Old May 7, 2012 | 03:29 PM
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Originally Posted by Rule18
When I changed mine out, I used the original sensors. I think the new sensors would probably just mate up to the system after a few minutes of driving, but not sure. please let us know the end result.
Is it a problem to reuse my factory sensors....jeep wants $70.38 per sensor
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Old May 7, 2012 | 10:09 PM
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I got a set of 5 new sensors off eBay for $125 for my new wheels and tires. No issues yet.
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Old May 8, 2012 | 11:33 AM
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Originally Posted by power play
Looking to switch out my tires for take off BFG mud terrains. Question, should I use the sensors in my current tires or use the ones that come in the take offs. I've heard that I may run into issues if I don't use my original sensors. Is this true?

Thanks
I would recommend sticking with the original sensors if at all possible. New sensors are not cheap and not all model years use the same frequency.
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Old May 10, 2012 | 07:59 PM
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Are they difficult to move over to ur new wheels
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Old May 11, 2012 | 05:44 PM
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Originally Posted by power play
Looking to switch out my tires for take off BFG mud terrains. Question, should I use the sensors in my current tires or use the ones that come in the take offs. I've heard that I may run into issues if I don't use my original sensors. Is this true?

Thanks
I am no expert but I do know that the older TPMS with the grey-colored (aluminum) valve stems that have an aluminum nut holding them together are one frequency (433Hz ??) and the newer style with the black rubber valve stem are a different frequency (315Hz).

I am pretty sure you cannot mix the two frequency TPMS on a jeep. You could change all the wheels from the older frequency to the newer frequency but I believe that requires programming by the STAR Scan (at the dealer, or maybe a good tire shop?)

If you need one new sensor that matches the frequency of the other ones, then you can mount it and the jeep should eventually recognize it. At least that was supposedly true of the older (grey valve stem) models.

As for ease of replacement: The older ones are held on with a nut, the newer ones just get pulled through like old-school rubber valve stems. In any case you have to dismount/mount the tire and balance the wheel.

I BELIEVE all the above to be true. BUT I talked to a lot of people and got a lot of conflicting information.

My 2008 has the (stupid) aluminum nuts that all cracked due to corrosion. One failed entirely and the sensor fell into the tire. I have replaced all the valve stems and nuts but I am still using the original sensors. Next year, when I buy new tires (maybe new rims, too!) I will upgrade to new sensors with the rubber stems.

If you have the older style valve stems, inspect the nuts for cracks. Also remember the battery in the sensor only lasts 7-9 years.

I got valve stems (Schrader 20020 TPMS Service Pack, $5 each) and service kits (valve core, nut, grommet, and cap)(Schrader 20013 TPMS Service Pack, $6 each) on Amazon. So about $60 for 5 tires.

Then it is just a matter of the cost of dismount/mount and balancing.
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