drive wheel? - ANSWER Sealed non-serviceable
to test a vacuum power brake booster in the vehicle, you should pump the brake pedal at
least 4 times, hold the brake pedal depressed, and start the engine. the brake pedal should: -
ANSWER drop slightly and remain firm
You are installing a set of brake shoe linings that are not the same length. Traditionally, the
primary shoe lining is: - ANSWER Smaller and goes towards the front of the car.
A cracked or torn vacuum diaphragm in a brake power booster would most likely cause: -
ANSWER a hard pedal feel requiring very high pedal effort to stop
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? - ANSWER A plugged axle
Which of the following incorrect service procedures will cause brake lock-up? - ANSWER
master cylinder push rod adjusted too long
Which of the following describes the proper way to depressurized an ABS system? - AN-
SWER Pump the brake pedal at least 25 times (or more, depending on the manufactur-
er'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: - ANSWER technician use the parking brake to adjust shoes and
the cable is stuck
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, When turning brake drums: - ANSWER use a dampening strap to reduce chatter
Which of the following is NOT a necessary drum brake measurement? - ANSWER run-out
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. - AN-
SWER AC volts
The key input for the ABS control module comes from the: - ANSWER wheel speed sen-
sors
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 sili-
cone fluid added to the system
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