TIRE PRESSURE MONITORING SYSTEM (TPMS)(IF EQUIPPED)
When the Tire Pressure Monitoring
System warning light is lit, one or
more of your tires is significantly
under-inflated. You should stop and
check your tires as soon as possible,
and inflate them to the proper pressure as indicated on the vehicle’s tire
information placard (label). Driving on a significantly under-inflated tire
causes the tire to overheat and can eventually lead to tire failure.
Under-inflation also reduces fuel efficiency and tire tread life, and may
affect the vehicle’s handling and stopping ability. Even if your vehicle is
equipped with a Tire Pressure Monitoring System, it is still important
that you manually check the inflation pressure of your tires regularly.
Each tire, including the spare, should be checked monthly when cold and
set to the recommended inflation pressure which can be found on the
Safety Compliance Certification Label which is located on the B-Pillar or
the edge of the driver’s door.
The Tire Pressure Monitoring System is NOT a substitute for
manually checking tire pressure. The tire pressure should be
checked periodically (at least monthly) using a tire gauge, see
Inspecting and inflating your tires in this chapter. Failure to
properly maintain your tire pressure could increase the risk of tire
failure, loss of control, vehicle rollover and personal injury.
Changing tires with TPMS
It is recommended that you always
have your tires serviced by an
authorized dealer. Each road tire
is equipped with a tire pressure
sensor mounted on the wheel
inside the tire connected to the
valve stem. The tire pressure
sensor must be unbolted from
the wheel prior to tire removal.
The sensor can be removed by
loosening the nut at the valve stem. Failure to remove the sensor
may damage it. The rubber grommet (washer) between the wheel and
the tire pressure sensor needs to be replaced whenever the sensor is
removed to minimize air leaks.
2006 Expedition (exd)
Owners Guide (post-2002-fmt)
USA (fus)
Tires, Wheels and Loading
217
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