Hydraulic antilock brake systems Flashcards
what type of brake fluid is not recommended in hydraulic ABS system
DOT 5 because it is not hydroscopic and retains tiny air bubbles
during brake activation the operator feels the brake pedal pulsate . is this normal
yes . the degree to which the pedal pulsates depends on the type of system installed
how many inlet - outlet solenoid control valves would a ABS modulator assembly have
one per monitored wheel
what can also be contained in the ABS modulator valve
high powered electro hydraulic pump and one or two accumulators
in the event of a ABS failure in one system when would happen
brake function would continue as normal and a indicator warning light would illuminate to warn the operator of the failure
before doing any work on the hydraulic ABS system what should you make sure of first
all pressure in the brake system has be depressurized . about 30 hard brake applications with the ignition key in the off position
what is one method for installing a tone ring
heat the tone ring evenly by boiling water or oven to 250 degrees then tap gently into place on the wheel hub
after installing a new tone ring what should be checked
runout
if the wrong brake fluid is used in the system what should be done
flush with DOT 3 or DOT 4 or manufacture recommended fluid