Classification:

Reference:

WT15-005

Date:

ITB15-025

July 6, 2015

INFINITI; SERVICING RUN FLAT TIRES AND
LOW PROFILE TIRES EQUIPPED WITH TPMS SENSORS
APPLIED VEHICLES: All Infiniti vehicles equipped with original equipment manufacturer TPMS
transmitters (sensors)

SERVICE INFORMATION
When servicing run flat tires or low profile tires:
 Special equipment and procedures are
required to avoid damage.
 Specifically, Tire Pressure Monitor transmitters
(TPMS sensors) can be damaged when
improperly dismounting and mounting tires.
 TPMS sensors becoming damaged during
mounting or dismounting tires are not covered
under warranty.
 To avoid such damage, ensure that the tire
changer being used and the operator of the tire
changer are capable of servicing run flat and
low profile tires.
 Operator’s manuals for such tire changers
must be followed.

Figure 1: Sample of broken TPMS sensor

The following equipment, designed to dismount and mount low profile and run flat tires, has been verified to
perform as designed when operated properly:
Hunter
 TC3900/3700/3500 series
 TCA34 series
 Revolution series

Click here to access general information on how to operate these machines.
Go to Key Points on the next page for specific information regarding Hunter tire changers on how to avoid
TPMS Sensor breakage.
When using qualified equipment not listed in this bulletin, refer to the related operator’s manual before servicing
run flat tires or low profile tires.

Infiniti Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are properly
trained individuals who have the equipment, tools, safety instruction, and know-how to do a job properly and safely.
NOTE: If you believe that a described condition may apply to a particular vehicle, DO NOT assume that it does. See
your Infiniti dealer to determine if this applies to your vehicle.
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Key Points

When dismounting a tire’s upper bead, the tire must not slip or spin on the wheel. The correct equipment
features must be used, such as the bead depressor tail or bead press arm. In addition, the mount/dismount
head should be placed above the sensor as the starting point.

Bead depressor tail

Valve stem

Bead press arm

Figure 2

Figure 3

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ITB15-025

When mounting a tire’s upper bead, the tire must not slip or spin on the wheel. The correct equipment features
must be used, such as the bead depressor tail and traction bar or bead press arm and traction bar. In addition,
the mount/dismount head should be placed 90 degrees away from the sensor as the starting point.

Bead depressor tail
Traction
Bar

Valve stem

Valve stem

Figure 4

Figure 5

Valve stem

Traction Bar
Traction Bar

Valve stem

Bead press arm

Figure 6

Figure 7

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ITB15-025