STATE BRAKE CERTIFICATION
A cracked or torn vacuum diaphragm in a brake power booster would most likely cause:
- answera hard pedal feel requiring very high pedal effort to stop
to test a vacuum power brake booster in the vehicle, you should pump the brake pedal
at least 4 times, hold the brake pedal depressed, and start the engine. the brake pedal
should: - answerdrop slightly and remain firm
A mechanic finds gear lube inside both rear drums on a rear wheel drive vehicle. What
is most likely the cause of this problem? - answera plugged axle
The rear brakes are dragging after having new linings installed and the drums
machined. the most likely cause is the: - answertechnician use the parking brake to
adjust shoes and the cable is stuck
While test driving a car, the mechanic finds that the right front brake "grabs". The most
likely cause of this problem is: - answerbrake fluid or grease on the brake linings
Which of the following incorrect service procedures will cause brake lock-up? -
answermaster cylinder push rod adjusted too long
Which of the following incorrect service procedures could cause brake pedal pulsation?
- answerincorrect run-out on the car brake lathe
A common cause of pedal pulsation during brake application is: - answerNOT caused
by improperly torqued wheels, damaged backing plates, or lubricated shims
A properly functioning load sensing proportioning valve will: - answercause an increase
in the hydraulic pressure during braking at the rear wheel cylinders when the vehicle is
loaded.
which of the following is a quick way to isolated a defective master cylinder? There are
no external leaks in the system. - answerpump up the brake pedal, then hold it firm. if
the pedal slowly drops to the floor, the master cylinder may be defective.
After rebuilding a master cylinder, the rod between the master cylinder and booster
should be: - answeradjusted properly
A cracked or torn vacuum diaphragm in a brake power booster would most likely cause:
- answera hard pedal feel requiring very high pedal effort to stop
to test a vacuum power brake booster in the vehicle, you should pump the brake pedal
at least 4 times, hold the brake pedal depressed, and start the engine. the brake pedal
should: - answerdrop slightly and remain firm
A mechanic finds gear lube inside both rear drums on a rear wheel drive vehicle. What
is most likely the cause of this problem? - answera plugged axle
The rear brakes are dragging after having new linings installed and the drums
machined. the most likely cause is the: - answertechnician use the parking brake to
adjust shoes and the cable is stuck
While test driving a car, the mechanic finds that the right front brake "grabs". The most
likely cause of this problem is: - answerbrake fluid or grease on the brake linings
Which of the following incorrect service procedures will cause brake lock-up? -
answermaster cylinder push rod adjusted too long
Which of the following incorrect service procedures could cause brake pedal pulsation?
- answerincorrect run-out on the car brake lathe
A common cause of pedal pulsation during brake application is: - answerNOT caused
by improperly torqued wheels, damaged backing plates, or lubricated shims
A properly functioning load sensing proportioning valve will: - answercause an increase
in the hydraulic pressure during braking at the rear wheel cylinders when the vehicle is
loaded.
which of the following is a quick way to isolated a defective master cylinder? There are
no external leaks in the system. - answerpump up the brake pedal, then hold it firm. if
the pedal slowly drops to the floor, the master cylinder may be defective.
After rebuilding a master cylinder, the rod between the master cylinder and booster
should be: - answeradjusted properly
