Modern Tire Dealer

MAY 2019

Magazine for the professional tire industry

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Page 59 of 69

M T D M a y 2 0 1 9 58 T P M S sensor damage may result when using replacement equipment that is not of the same size, type, and/or style. Aermarket wheels can cause sensor damage. NOTE: If a tire pressure sensor has been replaced, the tire pressure sensors must be retrained. See "Reset procedures." NOTE: Wheels and tires are match- mounted at the factory. Before demounting a tire from its wheel, a reference mark should be placed on the tire at the valve stem location, to ensure that it is remounted in the original position on the wheel. For match-mounting procedures, refer to the appropriate manu- facturer service information. NOTE: Tire pressure may increase from 2 to 6 psi (14 to 41 kPa) during normal driving conditions. Do not reduce this normal pressure build up. NOTE: If tires require leak-testing, a water test may be used to check for a leak around the sensor, as long as any water at the valve core is removed when the procedure is completed. Water can be expelled from the core area by pushing in on the core for several seconds, allowing escaping air to drive out any moisture. Re-inflate the tire as necessary. Install the original valve stem cap. TIRE PRESSURE SENSOR IMPORTANT: is vehicle uses the 433 MHz TPMS sensor. Although 315 MHz and 433 MHz sensors are identical in size and shape, they are not interchangeable. Always make sure the correct sensor is being used. A RKE-TPMS analyzer can be used to determine the sensors frequency without having to demount the tire. CAUTION: e use of tire sealants is strictly prohibited for vehicles equipped with TPMS. Tire sealants can clog tire pressure sensors. CAUTION: Before installing a tire pressure sensor, ensure you have the correct sensor. Sensors can be easily identified by a white outline oval (with black center) insignia on the sensor body. CAUTION: To prevent moisture and contamination from entering the valve stem, the cap used on this valve stem contains an O-ring seal. Retain the original valve stem cap for reuse. A regular valve stem cap cannot be used as a substitute. Aer inspecting or adjusting the tire pressure, always reinstall the valve stem cap. is will prevent moisture and dirt entry into the valve stem, which could damage the tire pressure sensor. CAUTION: e valve stem used on this vehicle is made from aluminum, and the core is nickel-plated brass. Retain the original valve stem core for reinstallation. Do not substitute a valve stem made of a different material, as the different metals will cause corrosion. CAUTION: 2009-10: Any time a sensor is to be reinstalled in a wheel, a new seal and washer must be installed on the stem to ensure airtight sealing (see Figure 1). 2011 and later: Any time a sensor is to be reinstalled in a wheel, a new valve stem assembly (2) must be installed to ensure air tight sealing (see Figure 3). CAUTION: Do not reuse the sensor- to-wheel grommet. Always use a new grommet when installing a pressure sensor and properly torque the sensor nut. Figure 4: Demounting the tire with a tool. Figure 5: Removing and installing a tire pressure sensor (2009-10). Figure 6: Removing and installing a tire pressure sensor (2011 and later). Figure 7: Installing a tire pressure sensor.

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