Normal operation
The ABS operates at speeds above 3 to 6 MPH (5 to 10 km/h). The speed varies according to road conditions.
When the ABS senses that one or more wheels are close to locking up, the actuator rapidly applies and releases hydraulic pressure. This action is similar to pumping the brakes very quickly. You may feel a pulsation in the brake pedal and hear a noise from under the hood or feel a vibration from the actuator when it is operating. This is normal and indicates that the ABS is operating properly. However, the pulsation may indicate that road conditions are hazardous and extra care is required while driving.
See also:
Tire wear and damage
WARNING
● Tires should be periodically inspected
for wear, cracking, bulging
or objects caught in the tread.
If excessive wear, cracks, bulging
or deep cuts are found, the tire(s)
should b ...
Tire Pressure Monitoring System (TPMS) (if so
equipped)
Each tire, including the spare (if provided),
should be checked monthly when cold and inflated
to the inflation pressure recommended by
the vehicle manufacturer on the vehicle placard
or tire ...
2008 Nissan Sentra review
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