with Certified Ans/ Latest Update.
On a 3-channel system, which wheels are on the same circuit? - Answer: both rear wheels
One way to test an ABS wheel speed signal is to use _____ on your digital multimeter. - Answer:
AC volts
The key input for the ABS control module comes from the: - Answer: wheel speed sensors
ABS speed sensor and sensor rings: - Answer: should not be hammered or tapped on and
should always be replaced as a matched set
Flexible brake hoses should be replaced: - Answer: when dampness is evident on the hose
Which of the following should be used to check for rotor thickness variation: - Answer:
Micrometer
, After rebuilding a master cylinder, the rod between the master cylinder and booster should be: -
Answer: adjusted properly
Upon inspecting brake fluid condition, the technician observes the diaphragm in the master
cylinder cup is swollen. Which of the following is the most likely cause? - Answer: silicone fluid
added to the system
When inspecting brake fluid levels, a technician observes low fluid levels. which of the following
should be done first? - Answer: Inspect disc brake pads for excessive wear
Which of the following is true about most properly functioning anti-lock brake systems? -
Answer: The brakes may lock up at speeds less than 10 miles per hour
Which of the following is true about bleeding brake lines on most ABS equipped vehicles? -
Answer: Most ABS brake lines can be bled like a conventional (non-ABS) system. However,
caution must be taken because of the extreme pressure.
Most anti-lock brake systems require the removal of the pressure modulator fuse when: -
Answer: a "spaced-saver" spare tire is being used and mismatched tires are being installed
What does a load sensing proportioning valve do? - Answer: It increases the hydraulic pressure
during braking at the rear wheel cylinders when the vehicle is loaded
The brakes of a car squeal each time they are applied, which of the following is the LEAST likely
source of the noise? - Answer: Glazed brake pads
Which of the following is a true statement about proportioning valves? - Answer: They provide
better braking balance during hard stops