ASE BRAKES T4 TEST 1 FINAL SCRIPT 2026
COMPLETE SOLUTION SET
◉ A driver complains about poor stopping on a tractor air brakes
system tech a says there may be excessive air leakage at the exhaust
valve in the service in the service brake relay valve tech b say
different types of brake linings may have been installed on some of
the tandem axle wheels who is correct. Answer: Both
◉ A faulty master cylinder can cause a hydraulic imbalance and
cause the. Answer: Red light to illuminate
◉ The driver of a truck reports on his daily trip inspection form that
the truck has excessive air pressure drops during routine stops tech
a says the slack adjusters may be out of adjustment tech b says that
it could be cause by a buildup of moisture in the reservoir. Answer:
Both
◉ There's is an audible air leak from under the dash when the foot
valve is applied tech a says the double-check valve may be faulty tech
b says the single check valve may be faulty who's correct. Answer:
Tech a
,◉ Which of the following could set an antilock braking system abs
wheel speed sensor code. Answer: Incorrect wheel bearing
adjustments
◉ A truck with hydraulic disc / drum has high firm pedal with poor
stopping which of the following could be the cause. Answer: The
brake linings are glazed
◉ Brake fluid is leaking from the rear of master cylinder on a truck
equipped with hydro boost brakes which of the following is the most
likely cause. Answer: A primary seal would be leaking
◉ An air compressor has broken connecting rod the compressor
crankshaft is not discolored this is the second air compressor to
have this failure on this truck which of the following could be the
cause. Answer: Restricted air discharge line
◉ Hydraulic pressure is being measured at the brake calipers with a
pressure gauge with the service brake applied which of the following
changes in the gauge pressure readings should occur when the
engine is started. Answer: Raise appropriately 100 to 200
◉ During a brake overhaul the technician finds all the brake
chambers mounting brackets are cracked tech a says this could be
due to the truck using super singles tires and wheels technician b
, says this could be due to low air systems pressure who's correct.
Answer: Tech a
◉ Tech a says that automatic traction control arc functions by
applying brakes pressure to a drive axle wheel when it's speed
exceeds that of the other drive wheels tech b says that full authority
act functions on six wheels ends of a highway tractor who's correct.
Answer: Tech a
◉ An automatic slack adjuster will not keep the brake in adjustment
tech a says the problem may be an incorrectly installed slack
adjuster tech b says the problem may be that mismatched brake
chambers are installed on the axle. Answer: Tech a
◉ Metal brakes lines must be replaced with. Answer: Steel
◉ An air disc service will not apply air is going to the brake chamber
technician a says the caliper slides may be frozen technician b says
the adjuster mechanism may be frozen. Answer: Tech a
◉ Technician a says some air brake clevises are checked for wear
with a feeler gauge technician b says some air brakes clevises are
weld to the brake chamber push rod who's correct. Answer: Both
COMPLETE SOLUTION SET
◉ A driver complains about poor stopping on a tractor air brakes
system tech a says there may be excessive air leakage at the exhaust
valve in the service in the service brake relay valve tech b say
different types of brake linings may have been installed on some of
the tandem axle wheels who is correct. Answer: Both
◉ A faulty master cylinder can cause a hydraulic imbalance and
cause the. Answer: Red light to illuminate
◉ The driver of a truck reports on his daily trip inspection form that
the truck has excessive air pressure drops during routine stops tech
a says the slack adjusters may be out of adjustment tech b says that
it could be cause by a buildup of moisture in the reservoir. Answer:
Both
◉ There's is an audible air leak from under the dash when the foot
valve is applied tech a says the double-check valve may be faulty tech
b says the single check valve may be faulty who's correct. Answer:
Tech a
,◉ Which of the following could set an antilock braking system abs
wheel speed sensor code. Answer: Incorrect wheel bearing
adjustments
◉ A truck with hydraulic disc / drum has high firm pedal with poor
stopping which of the following could be the cause. Answer: The
brake linings are glazed
◉ Brake fluid is leaking from the rear of master cylinder on a truck
equipped with hydro boost brakes which of the following is the most
likely cause. Answer: A primary seal would be leaking
◉ An air compressor has broken connecting rod the compressor
crankshaft is not discolored this is the second air compressor to
have this failure on this truck which of the following could be the
cause. Answer: Restricted air discharge line
◉ Hydraulic pressure is being measured at the brake calipers with a
pressure gauge with the service brake applied which of the following
changes in the gauge pressure readings should occur when the
engine is started. Answer: Raise appropriately 100 to 200
◉ During a brake overhaul the technician finds all the brake
chambers mounting brackets are cracked tech a says this could be
due to the truck using super singles tires and wheels technician b
, says this could be due to low air systems pressure who's correct.
Answer: Tech a
◉ Tech a says that automatic traction control arc functions by
applying brakes pressure to a drive axle wheel when it's speed
exceeds that of the other drive wheels tech b says that full authority
act functions on six wheels ends of a highway tractor who's correct.
Answer: Tech a
◉ An automatic slack adjuster will not keep the brake in adjustment
tech a says the problem may be an incorrectly installed slack
adjuster tech b says the problem may be that mismatched brake
chambers are installed on the axle. Answer: Tech a
◉ Metal brakes lines must be replaced with. Answer: Steel
◉ An air disc service will not apply air is going to the brake chamber
technician a says the caliper slides may be frozen technician b says
the adjuster mechanism may be frozen. Answer: Tech a
◉ Technician a says some air brake clevises are checked for wear
with a feeler gauge technician b says some air brakes clevises are
weld to the brake chamber push rod who's correct. Answer: Both
