ASE Brakes T4 Practice Test #1 Latest Update
2025-2026 Exam 50 Questions with 100% Verified
Correct Answers Guaranteed A+
- CORRECT ANSWER:
A auto slack adjuster will not stay adjusted. Tech A says the problem may be incorrectly
installed slack adjuster. Tech B says the problem may be mismatched brake chambers.
Whos correct? - CORRECT ANSWER: Tech A. Slack adjusters must be installed to
OEM specs
A broken backing plate could cause even breaking and cause a pull.. - CORRECT
ANSWER: True
A loose wheel bearing adjustment can cause a faulty wheel speed sensor and a wheel
speed sensor code - CORRECT ANSWER:
A new drum will not fit over the brake shoes. All the following could be the cause
EXCEPT:
A. an incorrect drum
B. incorrect shoes
C. shoes are not properly adjusted
D. the parking brake is released - CORRECT ANSWER: D. the parking brake is
released
A tractor ABS is described as 6S/4M. - CORRECT ANSWER: 2 of the modulators
control a pair of brake chambers. 6 wheels, 4 outputs
, A truck with hydraulic disc/drum brakes has a high firm pedal with poor stopping. what
could be the cause? - CORRECT ANSWER: The brake linings are glazed! Glazed brake
linings will allow the pedal to feel high and firm with no stopping power
Air builds on a truck in 1.5 minutes. The specs. manual says it should take 3.5 min. Tech
A says the air tanks could have water build up. Tech B says the air tanks could have oil
built up. Whos correct? - CORRECT ANSWER: C. Both technicians. Any Build up
reduces volume for stored air
Air compressor has a broken connecting rod. the compressor crankshaft is not
discolored. What is the cause? - CORRECT ANSWER: restricted air discharge line
Air dryer purges too often. Tech A says the air dryer delivery check Valve may be faulty.
Tech B says a leaking wet tank could be the cause. Who's correct? - CORRECT
ANSWER: C. Both Techs.
air is leaking from a quick release valve mounted on the front axle during service
application. What is the cause? - CORRECT ANSWER: Quick release
Air leak test are performed with soapy water: - CORRECT ANSWER: true
air leaks from the left front modulator valve during service operation. There are no ABS
codes. What is the cause? - CORRECT ANSWER: Modulator Valve seat
Air pressure build up time on a gear driven compressor is greater than specifications.
What is the cause?
A. a slipping drive
B. a leaking service relay
C. leaking primary tank
D. leaking parking brake chamber - CORRECT ANSWER: C. A leaking primary air tank
causes extended air build up time
2025-2026 Exam 50 Questions with 100% Verified
Correct Answers Guaranteed A+
- CORRECT ANSWER:
A auto slack adjuster will not stay adjusted. Tech A says the problem may be incorrectly
installed slack adjuster. Tech B says the problem may be mismatched brake chambers.
Whos correct? - CORRECT ANSWER: Tech A. Slack adjusters must be installed to
OEM specs
A broken backing plate could cause even breaking and cause a pull.. - CORRECT
ANSWER: True
A loose wheel bearing adjustment can cause a faulty wheel speed sensor and a wheel
speed sensor code - CORRECT ANSWER:
A new drum will not fit over the brake shoes. All the following could be the cause
EXCEPT:
A. an incorrect drum
B. incorrect shoes
C. shoes are not properly adjusted
D. the parking brake is released - CORRECT ANSWER: D. the parking brake is
released
A tractor ABS is described as 6S/4M. - CORRECT ANSWER: 2 of the modulators
control a pair of brake chambers. 6 wheels, 4 outputs
, A truck with hydraulic disc/drum brakes has a high firm pedal with poor stopping. what
could be the cause? - CORRECT ANSWER: The brake linings are glazed! Glazed brake
linings will allow the pedal to feel high and firm with no stopping power
Air builds on a truck in 1.5 minutes. The specs. manual says it should take 3.5 min. Tech
A says the air tanks could have water build up. Tech B says the air tanks could have oil
built up. Whos correct? - CORRECT ANSWER: C. Both technicians. Any Build up
reduces volume for stored air
Air compressor has a broken connecting rod. the compressor crankshaft is not
discolored. What is the cause? - CORRECT ANSWER: restricted air discharge line
Air dryer purges too often. Tech A says the air dryer delivery check Valve may be faulty.
Tech B says a leaking wet tank could be the cause. Who's correct? - CORRECT
ANSWER: C. Both Techs.
air is leaking from a quick release valve mounted on the front axle during service
application. What is the cause? - CORRECT ANSWER: Quick release
Air leak test are performed with soapy water: - CORRECT ANSWER: true
air leaks from the left front modulator valve during service operation. There are no ABS
codes. What is the cause? - CORRECT ANSWER: Modulator Valve seat
Air pressure build up time on a gear driven compressor is greater than specifications.
What is the cause?
A. a slipping drive
B. a leaking service relay
C. leaking primary tank
D. leaking parking brake chamber - CORRECT ANSWER: C. A leaking primary air tank
causes extended air build up time
