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Got any details on how to remove / reinstall them?
WJjeeps.com has a ton of info on the TPMS system including how to put on/take off the sensors, here is the link to the page:
http://www.wjjeeps.com/tpms.htmThat being said, i don't have the knowledge or equipment to mount a tire, balance it etc, so I went to NTB and had them do it. They only charged a few dollars more per wheel because of the sensors.
As far as if whether they fit most rims, here is a quote from the same page:
"It appears that some of the wheels used on 1999-2001 Grand Cherokees are incompatible with the tire pressure valve/transmitter stems, due to a larger ridge which does not allow the stem to seat properly. This has so far been confirmed for the Timberline wheel used on 1999-2001 Laredo models. A 2001 Laredo owner used an angle grinder on his Timbeline wheels to remove a 1/8" X 1-1/2" area of metal, which was at the outer edge of the ridge away from the bead/seat area. This allowed for the sensor to mount flush against the wheel and align perfectly with the valve stem hole." So i guess even if it doesn't ft, they can be made to fit if you want to do some altering. Again, something i wouldn't try on my own.
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What about switching from 06 TPMS sensors to 04 TPMS sensors?
I might be installing an 04 EVIC and would like to take advantage of the TPMS sensors... I have the sensors installed in the tires and supposedly there is a dummy light that will come on to tell me there is a issue...
Using the '06 sensors with the '04 evic probably isnt going to work from what i've read. Read this archived thread from jeep forum...somebody got the runaround from their dealership because they got '05 sensors when they needed '04 sensors:
http://65.42.106.152/forums/archive/ind ... 32205.html
Everything i said is just from stuff i've read, you could test it out kind of easily to doublcheck all this. run some temporary wires from the evic to the datalink connector and fuse box and see if the evic can see the sensors. That's how i tested my evic before i started running wires down the A-pillar and cutting headliner.