Modern Tire Dealer

MAR 2019

Magazine for the professional tire industry

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Page 69 of 77

T P M S M T D M a r c h 2 0 1 9 68 6) Take out the sensor from the tire, and remove the bead on the lower side following the usual procedure. NOTE: Check that no cracks or damage are visible on the grommet. If so, replace the grommet together with the washer and nut. Always replace the grommet and washer when replacing the warning valve and transmitter. 7) Remove the inner grommet from the tire pressure sensor, or retrieve it from the wheel, if necessary. NOTE: e tire pressure sensor is pow- ered by a lithium battery. When the sensor is defective, remove the battery from the sensor and dispose of it properly. Installation 1) Insert the tire pressure monitor valve into the valve installation hole. Insert from the inside of the rim so that the print surface can be seen (see Figure 3). Check for the following: • Check that there is no visible deforma- tion, damage or other abnormalities on the transmitter. • Check that there is no foreign matter on the inner grommet and around the rim hole. • If installed in the reverse direction, the tire pressure monitor valve may be damaged or fail to transmit signals when running at high speed. • If installing a new tire pressure monitor valve, write down the ID number before installation (see Figure 3). It is necessary to register an ID in the ECU aer installation. 2) Install the washer on the tire pressure monitor valve from the rim side, and tighten the nut to 35 in.-lbs. (4 N.m). See Figure 6. Check for the following: • Ensure there is no foreign matter on the washer and nut. Always replace the grommet and washer when replacing the warning valve and transmitter. • Check that there is no oil, water or lubricant around the rim hole, tire pressure monitor valve, washer and nut. Failing to do so may result in improper installation. CAUTION: If the sensor is positioned outside the specified area, it interferes with the tire bead, causing possible damage to the sensor. 3) Put the wheel on the mounting machine, and install the lower tire bead. Position the main body of the sensor in the shaded area as shown in the illustration (see Figure 7). 4) Making sure that the tire bead and tool do not interfere with the main body of the sensor and that the sensor is not clamped by the bead, install the upper bead and inflate the tire. 5) Aer the tire is inflated, the valve nut may be loose. Retighten the nut to the specified torque, and then check for air leaks with soapy water. 6) Install the tire and wheel assembly on the vehicle. 7) When a new sensor is installed, the ID code will need to be registered. See "Tire pressure sensor registration" under "Reset procedures." 8) After completing the operation, remove the valve core to rapidly release the air in the tire. Ensure the tire pressure warning light comes on. If the warning light does not come on, refer to the appropriate manufacturer service information. Re- inflate the tires. 9) If there is an air leakage, tighten the nut to a force of 35 in.-lbs. (4 N.m) and push the valve core two to three times to remove any dirt attached to the valve core. If air continues to leak, replace the grommet, washer and nut. ■ Information for this column comes from the tire pressure monitoring systems data in ProDemand®, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in Poway, Calif., Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918. For more information, visit To read archived TPMS articles, visit TPMS columns on demand Tire Pressure Monitoring System (TPMS) columns are presented in each issue of Modern Tire Dealer, courtesy of Mitchell 1. Here is a rundown of the columns in 2019/2018, available on www.moderntiredealer. com in the digital editions found at the bottom of our home page. All of our TPMS columns are available on demand, covering well over 100 makes and models. Simply type in TPMS in the search bar. January 2019 Honda HR-V, Model years 2016-2018 February 2019 Nissan Titan, 2004-2018 March 2018 Volkswagen: 2004-2006 Phaeton and 2004-2017 Touareg April 2018 Dodge Grand Caravan 2011-2017 May 2018 Kia Sedona 2006-2014 June 2018 2007-2014 Mazda3 and Mazda2 July 2018 Mercedes-Benz C-Class (204) – 2008-2015 August 2018 Chevrolet Cobalt 2008-2010, Pontiac G5 2008-2009, 2010 Pontiac G5(Canada) and Pontiac G6 2008-2010 September 2018 2011-2018 Ford Edge and Lincoln MKX October 2018 Volvo S-Series 2005-2015 November 2018 Toyota Corolla 2008-2018, and Corolla iM 2008-2017 December 2018 Fiat 500 Series 2012-2018 Figure 7: Positioning the tire pressure sensor.

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