4-36
CONTROLS AND INSTRUMENTS
The warning light and buzzer will come
on simultaneously whenever the brake
booster's vacuum becomes insufficient
either during driving or when the starter
switch is in the "ON" position, whenever
the hydraulic brake booster (HBB) system
becomes faulty, or whenever a problem
occurs with the exhaust brake while it
is being used. (The warning buzzer will
stop sounding when the parking brake is
engaged.)
[Vacuum booster models]
The brake booster warning light and
warning buzzer alarm should come
on to indicate low vacuum reserve for
brake power assist.
[HBB models]
When the hydraulic brake booster
pressure is low, and/or the hydraulic
brake booster fluid (DEXRON
®
III)
level is low, the light and warning
buzzer alarm should come on. Do not
use brake fluid in the brake booster
reservoir. Use only DEXRON
®
III ATF.
• If this happens while driving:
Do not pump the brakes. The
-
system is designed to stop the
truck with reserve power assist
if the pedal is held down. This
reserve is greatly reduced each
time you apply and release the
brakes.
Stopping distance may be longer.
-
You may have to push much
-
harder on the brake pedal.
Have the vehicle repaired before
you continue driving.
The buzzer stops when the
parking brake lever on a manual
transmission vehicle is pulled up.
Brake Booster Warning Light
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Содержание N Series 2008
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Страница 568: ...8 48 IN CASE OF EMERGENCY 2008N_sec08_print2 indd 48 4 09 2008 8 14 37 AM...
Страница 569: ...MAIN DATA Main Data and Specifications 9 2 9 2008N_sec09_print2 indd 1 4 09 2008 8 19 25 AM...
Страница 573: ...MAIN DATA Main Data and Specifications 9 2 9 2008N_sec09_print2 indd 1 4 09 2008 8 19 25 AM...
Страница 580: ...MEMO 2008N_sec10_print2 indd 4 4 09 2008 8 20 28 AM...