SOS MECHANIC STUDYS CORRECT QUESTIONS AND
ANSWERS SURE A+
✔✔You are installing a set of brake shoe linings that are not the same length.
Traditionally, the primary shoe lining is: - ✔✔Smaller and goes towards the front of the
car.
✔✔A cracked or torn vacuum diaphragm in a brake power booster would most likely
cause: - ✔✔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? - ✔✔A plugged axle
✔✔Which of the following incorrect service procedures will cause brake lock-up? -
✔✔master cylinder push rod adjusted too long
✔✔Which of the following describes the proper way to depressurized an ABS system? -
✔✔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: - ✔✔technician use the parking brake to adjust
shoes and the cable is stuck
✔✔When turning brake drums: - ✔✔use a dampening strap to reduce chatter
✔✔Which of the following is NOT a necessary drum brake measurement? - ✔✔run-out
✔✔On a 3-channel system, which wheels are on the same circuit? - ✔✔both rear
wheels
, ✔✔One way to test an ABS wheel speed signal is to use _____ on your digital
multimeter. - ✔✔AC volts
✔✔The key input for the ABS control module comes from the: - ✔✔wheel speed
sensors
✔✔ABS speed sensor and sensor rings: - ✔✔should not be hammered or tapped on
and should always be replaced as a matched set
✔✔Flexible brake hoses should be replaced: - ✔✔when dampness is evident on the
hose
✔✔Which of the following should be used to check for rotor thickness variation: -
✔✔Micrometer
✔✔After rebuilding a master cylinder, the rod between the master cylinder and booster
should be: - ✔✔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? -
✔✔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? - ✔✔Inspect disc brake pads for excessive wear
✔✔Which of the following is true about most properly functioning anti-lock brake
systems? - ✔✔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? - ✔✔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: - ✔✔a "spaced-saver" spare tire is being used and mismatched tires are being
installed
✔✔What does a load sensing proportioning valve do? - ✔✔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? - ✔✔Glazed brake pads
ANSWERS SURE A+
✔✔You are installing a set of brake shoe linings that are not the same length.
Traditionally, the primary shoe lining is: - ✔✔Smaller and goes towards the front of the
car.
✔✔A cracked or torn vacuum diaphragm in a brake power booster would most likely
cause: - ✔✔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? - ✔✔A plugged axle
✔✔Which of the following incorrect service procedures will cause brake lock-up? -
✔✔master cylinder push rod adjusted too long
✔✔Which of the following describes the proper way to depressurized an ABS system? -
✔✔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: - ✔✔technician use the parking brake to adjust
shoes and the cable is stuck
✔✔When turning brake drums: - ✔✔use a dampening strap to reduce chatter
✔✔Which of the following is NOT a necessary drum brake measurement? - ✔✔run-out
✔✔On a 3-channel system, which wheels are on the same circuit? - ✔✔both rear
wheels
, ✔✔One way to test an ABS wheel speed signal is to use _____ on your digital
multimeter. - ✔✔AC volts
✔✔The key input for the ABS control module comes from the: - ✔✔wheel speed
sensors
✔✔ABS speed sensor and sensor rings: - ✔✔should not be hammered or tapped on
and should always be replaced as a matched set
✔✔Flexible brake hoses should be replaced: - ✔✔when dampness is evident on the
hose
✔✔Which of the following should be used to check for rotor thickness variation: -
✔✔Micrometer
✔✔After rebuilding a master cylinder, the rod between the master cylinder and booster
should be: - ✔✔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? -
✔✔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? - ✔✔Inspect disc brake pads for excessive wear
✔✔Which of the following is true about most properly functioning anti-lock brake
systems? - ✔✔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? - ✔✔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: - ✔✔a "spaced-saver" spare tire is being used and mismatched tires are being
installed
✔✔What does a load sensing proportioning valve do? - ✔✔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? - ✔✔Glazed brake pads
