2026 Exam Questions with
100% Correct Answers | Latest
Update
The brakes are dragging on a vehicle. this could be cause by
a. overfilled master cylinder reservoir
b. low vacuum to the boost
c. bypassing master cylinder
,d. quick take-up valve stuck open - ANSWER ✔✔A : overfilled
master cylinder reservoir
why : an overfilled master cylinder reservoir cylinder would not allow for
fluid expansion. this would cause the brakes to self apply as the fluid
expanded as result in brake drag
The brake pads are worn at an angle on a vehicle with a sliding brake
caliper system. which of the following is most likely the cause?
a. worn caliper piston
b. worn caliper bushings
c. leaking caliper seal
d. leaking caliper boot - ANSWER ✔✔B : worn caliper bushings
why : worn bushings can cause the caliper to cock during operation. this
could cause the pads to wear at an angle
A diagnostic trouble code is set for an open wheel speed sensor on the
left front sensor. The technician measures the resistance at the sensor
, and finds it to be within specification. Which of the following is the most
likely cause for the wheel speed sensor code?
a. faulty ABS computer
b. open fuse
c. open wiring from the computer to the wheel speed sensor
d. shorted left front ABS modulator valve - ANSWER ✔✔C : open
wiring from the computer to the wheel speed sensor
why : an open in the wiring from the sensor to the computer would cause
a diagnostic trouble code to be set and the sensor to have the correct
resistance
The brake warning lamp pictured above (pg. 56) stays on any time the
ignition switch is on. Tech A says this could be caused by a poor ground
at the parking brake switch. Tech B says this could be caused by a poor
ground at the brake warning lamp switch. Who is correct?
a. A only
b. B only
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