Brake Bleeding 1
Where do you find the required brake fluid specification on a car.
On the cap
What happens if you fail to release the pressure from a pressure bleeder before removing the adapter?
a) Brake fluid will escape under pressure
What is the main purpose of brake bleeding?
b) To remove trapped air from the hydraulic system
What is the proper tool to use on a brake line
Line wrench
When is brake bleeding necessary?
b) When the hydraulic system is opened
The brake bleeding procedure usually specified for a rear-wheel drive vehicle with a dual split
master cylinder is ________.
A) RR, LR, RF, LF
Vacuum is applied where during vacuum bleeding?
A) At each wheel brake bleeder valve
8) In an overall bleeding sequence, which part should be bled first?
C) Master cylinder
Technician A says to bleed the conventional brake system before bleeding the ABS modulator.
Technician B says a scan tool may be required to bleed the ABS modulator. Which technician is
correct?
C) Both technicians
Which of these is NOT a method of brake bleeding?
A) Release
B) Manual
C) Vacuum
D) Pressure
A) Release
Where is the bleeder valve typically located on a brake caliper or wheel cylinder?
c) Highest point of the caliper
What is the primary drawback of gravity bleeding?
b) It is a slow process
How can some electronic-hydraulic units be bled?
a) By using a scan tool
What is the first step in brake fluid flushing?
b) Remove the old brake fluid from the master cylinder reservoir
Which of the following is an advantage of gravity bleeding?
a) All four-wheel brakes can be bled at once
Which bleeding method uses atmospheric pressure to force brake fluid through the system?
a) Gravity bleeding
What is the difference between dot 3, 4, 5
Boiling point
The boiling point of brake fluid decreases as:
b) It absorbs moisture
Flexible brake lines are able to withstand pressures above.
1000psi
Its completely safe to use copper brake lines for fuel lines if needed
False
Technician A says that the brake pedal should be depressed with as much force as possible
during the normal bleeding procedure. Technician B says that the brake pedal should be
pumped rapidly during this manual bleeding procedure to force the air down toward the
bleeder valve(s). Which technician is correct?
C) Both technicians
What are the two types of flares used on brake lines
Double and Bubble
What is an Armored brake line
Protect the line against debris
4. If the brake shoes have worn into the drum, what action should be taken before removing the drum?
18. What type of spring holds the brake shoes against the backing plate?
Hold Down Springs