DongFeng Nammi 01 - Brake System Description

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When Driving
3
Brake System
Brake System Description
Vehicles equipped with vacuum-assisted
brakes use a vacuum pump to provide a vacuum
source to the brake booster, increasing braking
force.
If the vacuum pump stops supplying power,
the brake assist will not work, requiring more
force to depress the brake pedal and increasing
the stopping distance.
Factors affecting braking effect
1. Wear
Brake pad wear depends to a great
extent on the use conditions and driving mode,
especially for those vehicles that often travel
in urban traffic and short distances or drive in
sports mode. Therefore, it is necessary to check
the thickness of brake pads within the specied
time interval of maintenance.
2.Wet or Salt-sprinkled road
Wet road:When driving in accumulated
water or heavy rain, or after washing the car, the
brake disc and brake pad will be wet or freeze
at low temperature in winter, and the braking
efciency will be reduced.It is necessary to lightly
press the brake pedal several times to dry the
brake and restore its performance.
Salt-sprinkled road:When driving on salt-
sprinkled road, if the brake is not used for a long
time, there will be salt layer on the brake disc
and brake pad, and the braking efficiency will
be reduced.It is necessary to lightly step on the
brake pedal several times to remove the salt
layer on the brake disc and brake pad.
3. Mountainous environment
Because of the high mountain and long
slope, the brakes are used frequently and for
a long time, and often work continuously under
high-intensity braking conditions, these factors
will make the braking efciency worse. Therefore,
when the vehicle goes downhill, do not slide in
neutral and avoid frequent braking.
4. Icy and snowy weather
Due to the low friction coefcient of ice and
snow road surface, the braking distance will be
greatly prolonged during braking, and the braking
distance will increase with the increase of vehicle
speed.Therefore, special attention should be
paid to controlling the vehicle speed when driving
on ice and snow road surface, and a large safe
distance should be kept from the front vehicle
and lateral vehicle.
5. Surface rust on brake discs
If the vehicle is parked for a long time, the
brake disc may be corroded and the brake pads
may be fouled. It is recommended that you drive
at low speed and brake several times to clean
the brake disc before driving formally.
6. Brake system fault
If you notice a sudden increase in braking
distance or a longer brake pedal stroke, there
may be a brake system failure. The driving style
should be adjusted to ensure safety, and more
force should be applied to the brake pedal when
braking, and the driving speed should be low to
the nearest franchise store.
WARNING
!
When the vehicle completely loses its
braking, do not drive by force.At this time,
pull over safely and contact the franchise
store to wait for rescue.