[K3CAL] Tire Pressure Sensor

[KB3WFV via K3CAL]

Peter 

Depending on the system design some sensors are attached to a steel band that is strapped to the 
diameter of the wheel that is inside of the tire. Replacement bands are readily available and can be purchased separate from the sensor. 

I would bet that the sensor was knocked off due to improper service. Properly trained tire installers know that on your truck the sensor is mounted on a band that is on the wheel. That sensor is located 180 degrees from the valve stem. Proper positioning of the tire during dismounting and mounting will prevent the sensor from being knocked off the band and damaged.

Gluing it back on? .... Really ?.... with zip ties ? .... unbelievable.  

73
Brian
KB3WFV
--------------------------------------------
On Mon, 11/17/14, mistralholt at comcast.net <mistralholt at comcast.net> wrote:

 Subject: Re: [K3CAL] Tire Pressure Sensor
 To: "Radio, Calvert" <k3cal at mailman.qth.net>
 Date: Monday, November 17, 2014, 8:34 PM
 
 FYI,
 The sensor on my Ford Expedition (2010) is attached to the
 inner tire rim, not part of the stem.  It came off some
 time back and my warning light is constantly on.  A garage
 tried glueing it on the inside rim and putting plastic tie
 downs around the inside rim to hold it in place, but now
 apparently because the sensor has been banged around so much
 it isn't functioning any more.  I am told I have to buy
 a new sensor at a automotive repair facility specializing in
 tires.
 
 Peter
 
 
 
 
 From:
 "N3AE" <n3ae at comcast.net>
 To: "brian"
 <kb3wfv at yahoo.com>, "Radio, Calvert"
 <k3cal at mailman.qth.net>
 Sent:
 Monday, November 17, 2014 4:23:25 PM
 Subject: Re: [K3CAL] Tire Pressure
 Sensor
 
 
 
 
 Thanks Brian,
 
 
 
 Interesting stuff.   I thought TPMS was a
 "feature" and didn't realize it was mandated
 by law.
 
 
 
 Have you ever taken apart a sensor to see what type of
 battery it uses and how the battery is attached to the
 circuitry?   I'm guessing that battery replacement
 isn't possible because almost any way of making a
 detachable battery connection in the harsh environment of
 the wheel would not be very reliable.
 
 
 
 Wonder how my car knows to read only it's own tire
 sensors and not react to sensors on another car that pulls
 up next to mine at a stoplight?
 
 
 
 Shawn
 
 
 
 From:
 "Reflector, K3CAL"
 <k3cal at mailman.qth.net>
 To:
 "Reflector, K3CAL"
 <k3cal at mailman.qth.net>
 Sent:
 Monday, November 17, 2014 2:25:33 PM
 Subject: [K3CAL] Tire Pressure Sensor
 
 
 This morning on the 985 mach I
 had a conversation with several of you about 
 tire pressure sensors found on all cars model
 year 2008 and newer.
 
 
 Tire pressure sensor are a
 wireless sensor mounted on the base of the tire valve stem
 inside the wheel..
 They transmit on 315 mhz
 and 430 mhz
 
 
 Here is a link to our web site
 with a couple of videos about Tire Pressure Monitoring
 Systems (TPMS)
 
 
 http://marlborotire.com/tpms-tire-pressure-monitoring-systems
 
 
 Brian
 KB3WFV
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