Tire Pressure Monitoring System (TPMS)

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What is TPMS?
TPMS is an automated system that monitors the air pressure in a vehicle's tires.                  When air pressure in one or more tires drops 25 percent or more below the                  correct pressure, a warning indicator alerts the driver. TPMS typically delivers                  these alerts to the driver through one of two types of warning lights on                  the dashboard.
	1. The first uses the official TPMS symbol, which is a cross-section of a tire with                  an exclamation mark in the center.
	2. The second is a top-view graphic image of a car that indicates which tires are low.
Location of TPMS Sensor
Parts of TPMS Sensor
Metal or Rubber?
There are two different types of rebuild kits available, one with rubber                  valve stems and one with metal valve stems. To determine which Rebuilt                  Kit is correct for your vehicle, you'll need to look at the valve stem                  that's currently installed. If it's rubber, you'll need the rubber valve                  stem rebuild kit. If it's metal, you'll need the metal one.

                  

Metal Valve

Rubber Valve

                                       

Maintenance and Replacement

Over time, TPMS components can degrade, affecting sensor operation.                  In order for the system to operate at peak performance, parts may need                  to be replaced.

Manufacturer Recommendations

It is recommended that all wearable components be replaced when tires                  are serviced. These components are available in our TPMS sensor rebuild kit.

Batteries and TPMS

The battery in the tire pressure sensors are non-replaceable and have a                  service life of approximately 5-6 years or 150,000 miles.

Tire Sealant

The use of a tire sealant may clog the tire pressure sensor. If it is                  rendered inoperative, the sensor may need to be replaced.

Additional Sensors Available

We have additional sensors that can be put on alternate tires if                  needed. Avoid installation and labor issues by having an extra set of                  sensors for use.

Stand-Alone Kits

If a vehicle does not have an original-equipment system, one can be                  installed. This stand-alone TPMS kit includes a dash-mounted display and                  four wheel-mounted transmitters that fit most wheel applications. For                  ordering information, please call us at 800.589.6789.

Air Pressure Maintenance

While TPMS systems offer increased safety to drivers through low                  pressure warnings, they are not meant to be a substitute for proper tire                  pressure maintenance. Both the NHTSA and the AAM urge drivers to check their                  tire pressure at least once a month and always prior to a long trip.                   Be sure to read our article on the importance                  of correct air pressure as well for even more in-depth information.