Lincoln Aviator 2003–2005, Lincoln Navigator 2003–2006
Vehicles with the tire pressure monitoring system (TPMS) may experience a situation where the warning light is on, yet the tire pressures are correct. One possibility is that the pressure sensors have "gone to sleep" and need to be reset. There is a reset tool available, or you can have a shop reset the sensors. Have the shop refer to the Ford TSB-06-3-7.
Lincoln Tire Questions and Answers
It's in the back of the car it does this
What bolts do I adjust?
Sound varies directly w/ speed,exactly. Never services PTU lube, have 106K miles. Noise is getting louder, is not tire noise. Too loud for a luxury name vehicle! Changing both rear bearings today w...