2026 Exam Questions and
Correct Answers | New Update
A vehicle with ABS anti-lock brakes has an audible clicking noise when it
is first started. The noise goes away after a few seconds. Technician A
says this is one of the hydraulic valves in the hydraulic valve assembly
sticking. Technician B says this is a normal condition. Who is correct? -
ANSWER ✔✔TECH B is correct. The ABS system runs a system
check when the key is first turned to the ON position. The valves
sometimes make a clicking noise during this check.
,A hydro-boost brake system has reduced braking performance.
Technician A says to check the power steering system. Technician B
says to check the vacuum check valve. Who is correct? - ANSWER
✔✔TECH A is correct. The power steering pump produces pressure for
the Hydro-Boost unit.
A vehicle with power assisted brakes has a hard brake pedal. Which of
the following is LEAST likely to cause this condition?
A. Master cylinder.
B. Vacuum check valve.
C. Brake booster.
D. Low manifold vacuum. - ANSWER ✔✔Answer A is correct. Faulty
master cylinders do not typically result in a hard brake pedal. Actually it's
more common for a faulty master cylinder to cause a low brake pedal
that fades to the floor as it is applied. This is the least likely component
listed to result in a hard brake pedal.
A vehicle pulls to the left only when the brakes are applied. This
condition is MOST likely caused by:
A. A seized left front caliper.
, B. A restriction in the left front brake line.
C. Leaking master cylinder cup seals.
D. A seized right front caliper. - ANSWER ✔✔Answer D is correct. A
frozen right front caliper will cause the vehicle to pull to the left when
braking.
Technician A says accumulators are found only on non-integral ABS
systems. Technician B says some integral ABS units contain high
pressure accumulators that must be discharged before repair. Who is
correct? - ANSWER ✔✔TECH B is correct. High pressure units can
be dangerous and must be discharged before removal. Always check
with manufacturer's procedures before disassembling an ABS unit
Technician A says ABS control units are programmed to ignore speed
sensor input variations below a certain threshold. Technician B says a
one-channel ABS system controls hydraulic pressure to the rear brake
units. Who is correct? - ANSWER ✔✔Both technicians are correct.
A vehicle's right front wheel has a growl that increases with vehicle
speed. The MOST likely cause is:
A. Excessive rotor lateral run out.
B. Warped rear brake drums.
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