Magazine for the professional tire industry
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MTD August 2016 before rotating the wheel (also in a clockwise direction) to mount the tire. Use this procedure on both the upper and lower tire beads (see Figure 5). Rotating tool tire changers Position the wheel on the changer so that the sensor valve stem is approximately 210 degrees from the head of the changer in a clockwise direction from the mounting end of the tool (see Figure 6). Make sure the sensor is clear of the lower bead breaker area to avoid damaging the sensor when the breaker rises. Rotate the tool in a counterclockwise direction to mount the tire. Use this procedure on both the upper and lower tire beads. 5) Adjust air pressure to specification. Make sure the original style valve stem cap is securely installed to keep moisture out of the sensor. Install the wheel and tire assembly on the vehicle. 6) e new tire pressure sensor will need to be retrained. See reset procedures. Torque specifications Component Ft.-lbs. (N.m) Wheel nut (1) 100 (135) In.-lbs. (N.m) Tire pressure sensor nut (2) 66 (7.5) 1) Do not use chrome-plated lug nuts with chrome-plated wheels. 2) Over-torquing the sensor nut by as lile as 106 in.-lbs. (12 N.m) may result in sensor separation from the valve stem. As the article notes, under this condition, the sensor may still function; however, the condition should be corrected immediately. Information for this column comes om Mitchell 1's "Tire Pressure Monitoring Systems Guide" for domestic and import vehicles. Headquartered in Poway, Calif., Mitchell 1 has pro- vided quality repair information solutions to the automotive industry for more than 80 years. For more information, visit www.mitchell1.com. For archived TPMS articles, visit www.moderntiredealer.com. TPMS Figure 6: Mounting the tire using a rotating tool machine. Quik-Link: 800-687-1557 ext. 19133 72