EXAM WITH CORRECT ANSWERS
A mechanic finds gear lube inside both rear brake drums on a
rear wheel drive vehicle. What is the most likely cause of this
problem? Correct Answer A plugged axle
Which of the following incorrect service procedures will cause
brake lock-up? Correct Answer master cylinder push rod adjusted
too long
Which of the following describes the proper way to depressurized
an ABS system? Correct Answer Pump the brake pedal at least
25 times (or more, depending on the manufacturer's
recommendation) with the ignition off.
The rear brakes are dragging after having new linings installed
and the drums machined. the most likely cause is the: Correct
Answer technician use the parking brake to adjust shoes and the
cable is stuck
When turning brake drums: Correct Answer use a dampening
strap to reduce chatter
, Which of the following is NOT a necessary drum brake
measurement? Correct Answer run-out
On a 3-channel system, which wheels are on the same circuit?
Correct Answer both rear wheels
One way to test an ABS wheel speed signal is to use _____ on
your digital multimeter. Correct Answer AC volts
The key input for the ABS control module comes from the: Correct
Answer wheel speed sensors
ABS speed sensor and sensor rings: Correct Answer should not
be hammered or tapped on and should always be replaced as a
matched set
Flexible brake hoses should be replaced: Correct Answer when
dampness is evident on the hose
Which of the following should be used to check for rotor thickness
variation: Correct Answer Micrometer