User Manual - Page 323

For 2008 DODGE RAM 1500.

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WARNING!
Both Rear-Wheel and Four-Wheel Anti-Lock Brake
Systems contain sophisticated electronic equipment.
It may be susceptible to interference caused by
improperly installed or high output radio transmit-
ting equipment. This interference can cause possible
loss of anti-lock braking capability. Installation of
such equipment should be performed by qualified
professionals.
Four-Wheel Anti-Lock Brake System — If
Equipped
This Four-Wheel Anti-lock Brake System (ABS) is de-
signed to aid the driver in maintaining vehicle control
under adverse braking conditions. The system operates
with a separate computer to modulate hydraulic pressure
to prevent wheel lockup and help avoid skidding on
slippery surfaces.
The system’s pump motor runs during an ABS stop to
provide regulated hydraulic pressure. The pump motor
makes a low humming noise during operation. This is
normal.
The ABS conducts a low-speed selftest at about 10 mph
(16 km/h). If you have your foot lightly on the brake
while this test is occurring, you may feel slight pedal
movement. The movement can be more apparent on ice
and snow. This is normal.
The ABS pump motor runs during the self-test at 10 mph
(16 km/h) and during an ABS stop. The pump motor
makes a low humming noise during operation. This is
normal.
STARTING AND OPERATING 321
5
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