Aut150 Final Exam with Complete
Solutions
If the parking brake will not hold on a hill or requires excessive lever movement always check
and adjust the ________ before adjusting the parking brake cable. Correct Ans-Rear brake
adjustment
Technician A says that if the parking brake cable is adjusted too tight, the rear brakes may drag
and overheat. Technician B says that the parking brake is adjusted properly if the cable is tight
when in the released position. Which technician is correct? Correct Ans-Technician A only
On most drum brake systems, the parking brake lever and strut transfer the pulling force of the
parking brake cable against the ________. Correct Ans-Primary shoe
On most vehicles, the anti-rattle spring (strut spring) should be installed on the parking brake
strut toward the ________ of the vehicle. Correct Ans-Front
In a typical integral rear disc brake caliper, the parking brake cable moves the ________.
Correct Ans-A. Rotor
B. Caliper
C. Actuator screw
D. Auxiliary piston
(idk)
,The rear brakes should be inspected, and adjusted if necessary, if the parking brake requires more
than ________. Correct Ans-10 clicks
A rear drum brake is being inspected. The primary shoe is not contacting the anchor pin at the
top. Technician A says that this is normal. Technician B says that the parking brake cable may be
adjusted too tight or is stuck. Which technician is correct? Correct Ans-Technician B only
The rubber used in most brake system components will swell if exposed to ________.
Correct Ans-Engine oil or ATF
The type of brake fluid most often recommended by vehicle manufacturers is ________.
Correct Ans-DOT 3
Technician a says that the red brake warning light can be turned on if a difference in pressure is
detected by the pressure differential switch. Technician B says that the red brake warning light
can be turned on if the brake fluid level sensor detected low brake fluid level. Which technician
is correct? Correct Ans-Both technicians A and B
Which of the following is NOT a characteristic of conventional brake fluid? Correct Ans-
Lasts the life of the vehicle unless there is a leak
Why do many vehicle manufacturers recommend that brake fluid be changed regularly?
Correct Ans-A. Old brake fluid can cause rust and corrosion of brake system components
B. Brake fluid absorbs moisture over time
C. The boiling point of the brake fluid decreases
, D. All of the above ----
As brake fluid ages, what happens? Correct Ans-The boiling temperature decreases
Air in the lines will cause what type of problem? Correct Ans-Low spongy brake pedal
How does a bleeder valve seal? Correct Ans-tapered ends
A bulge on a brake hose is ________. Correct Ans-An indication of an internal leak
Because brake fluid is hygroscopic, it ________. Correct Ans-Absorbs moisture
When cleaning brake hydraulic parts, use ________. Correct Ans-A. Denatured alcohol
B. Clean brake fluid
C. Either A or B
D. Neither A nor B
(idk)
The term used to identify the rubber found in brake systems. Correct Ans-elastomers
Solutions
If the parking brake will not hold on a hill or requires excessive lever movement always check
and adjust the ________ before adjusting the parking brake cable. Correct Ans-Rear brake
adjustment
Technician A says that if the parking brake cable is adjusted too tight, the rear brakes may drag
and overheat. Technician B says that the parking brake is adjusted properly if the cable is tight
when in the released position. Which technician is correct? Correct Ans-Technician A only
On most drum brake systems, the parking brake lever and strut transfer the pulling force of the
parking brake cable against the ________. Correct Ans-Primary shoe
On most vehicles, the anti-rattle spring (strut spring) should be installed on the parking brake
strut toward the ________ of the vehicle. Correct Ans-Front
In a typical integral rear disc brake caliper, the parking brake cable moves the ________.
Correct Ans-A. Rotor
B. Caliper
C. Actuator screw
D. Auxiliary piston
(idk)
,The rear brakes should be inspected, and adjusted if necessary, if the parking brake requires more
than ________. Correct Ans-10 clicks
A rear drum brake is being inspected. The primary shoe is not contacting the anchor pin at the
top. Technician A says that this is normal. Technician B says that the parking brake cable may be
adjusted too tight or is stuck. Which technician is correct? Correct Ans-Technician B only
The rubber used in most brake system components will swell if exposed to ________.
Correct Ans-Engine oil or ATF
The type of brake fluid most often recommended by vehicle manufacturers is ________.
Correct Ans-DOT 3
Technician a says that the red brake warning light can be turned on if a difference in pressure is
detected by the pressure differential switch. Technician B says that the red brake warning light
can be turned on if the brake fluid level sensor detected low brake fluid level. Which technician
is correct? Correct Ans-Both technicians A and B
Which of the following is NOT a characteristic of conventional brake fluid? Correct Ans-
Lasts the life of the vehicle unless there is a leak
Why do many vehicle manufacturers recommend that brake fluid be changed regularly?
Correct Ans-A. Old brake fluid can cause rust and corrosion of brake system components
B. Brake fluid absorbs moisture over time
C. The boiling point of the brake fluid decreases
, D. All of the above ----
As brake fluid ages, what happens? Correct Ans-The boiling temperature decreases
Air in the lines will cause what type of problem? Correct Ans-Low spongy brake pedal
How does a bleeder valve seal? Correct Ans-tapered ends
A bulge on a brake hose is ________. Correct Ans-An indication of an internal leak
Because brake fluid is hygroscopic, it ________. Correct Ans-Absorbs moisture
When cleaning brake hydraulic parts, use ________. Correct Ans-A. Denatured alcohol
B. Clean brake fluid
C. Either A or B
D. Neither A nor B
(idk)
The term used to identify the rubber found in brake systems. Correct Ans-elastomers
