WorksheetsASE 5 Brakes Practice Exam #2
Total questions: 45
Worksheet time: 11hrs 15mins
The brakes are dragging on a vehicle. This could be caused by:
Overfilled master cylinder reservoir
Low vacuum to the booster
Quick take-up valve stuck open
Bypassing master cylinder
The brake pads are worn at an angle on a vehicle with a sliding brake caliper system. Which of the following is the most likely cause?
Worn caliper piston
Worn caliper bushings
Leaking caliper seal
Leaking caliper boot
A diagnostic trouble code is set for an open wheel speed sensor on the left front sensor. The technician measures the resistance at the sensor and finds it to be within specification. Which of the following is the most likely cause for the wheel speed sensor code?
Faulty ABS computer
Open fuse
Open wiring from the computer to the wheel speed sensor
Shorted left front ABS modulator valve
The brake warning lamp pictured above stays on any time the ignition switch is on. Technician A says this could be caused by apoor ground at the parking brake switch. Technician B says this could be caused by a poor ground at the brake warning lamp switch. Who is correct?
A only
B only
Both A and B
Neither A nor B
Which of the following is true concerning the above caliper?
This caliper incorporates the parking brake
This caliper can only be used on the front
This caliper can only be used with Type 5 brake fluid
This caliper must be replaced at each brake pad replacement
Technician A says a double flare line should be replaced with an ISO flare line. Technician B says an ISO flare line should be replaced with a double flare line. Who is correct?
A only
B only
Both A and B
Neither A nor B
While testing the system shown above, the technician finds there is no assist from the booster after the engine is shut off. Which of the following is the most likely cause?
A faulty back-up EH pump
A faulty accumulator
A bypassing master cylinder
A bypassing brake booster
A customer is concerned that under heavy acceleration on dry pavement the traction control light comes on and the throttle momentarily becomes unresponsive. Which of the following is the most likely cause?
A tire has lost traction
The accelerator pedal position (APP) sensor is faulty
The throttle position sensor (TPS) is faulty
A wheel speed sensor is faulty
A vehicle has a low brake pedal. Master cylinder fluid level is correct. Which of the following is the most likely cause?
Worn brake pad lining
Seized wheel cylinder
Seized caliper piston
Brake shoes out of adjustment
The brake caliper piston boot was cut when the caliper was reassembled. Technician A says this will cause a brake fluid leak when the caliper is reinstalled. Technician B says this could cause the piston to bind due to contamination. Who is correct?
A only
B only
Both A and B
Neither A nor B
A parking brake cable is binding on a vehicle with front disc and rear drum brakes. This can result in:
Dragging front brakes
Dragging rear brakes
Rusted brake drums
Rusted disc brake rotors
Which of the following is LEAST LIKELY to be an input to the traction control system?
Throttle position sensor
Wheel speed sensor
Engine RPM
Transmission input shaft RPM
After a brake application, the inlet pressure gauge in the figure above drops to normal; however, the outlet pressure gauge remains higher than normal. Which of the following could be the cause?
Binding brake pedal
Incorrect brake pedal free stroke
Restricted combination valve
After disc brake replacement, the new pads should be burnished. The purpose of this procedure is to:
Conform the pad lining to the rotor
Break the sealant off of the new linings
Boil all of the water out of the brake fluid
Remove fingerprints from the rotor
Technician a says some wheel speed sensors are incorporated with the wheel bearing assembly and must be replaced as a unit. Technician B says some wheel speed sensors are located in the rear axle differential. Who is correct?
A only
B only
Both A and B
Neither A nor B
Which of the following is true concerning caliper removal?
The fluid must be drained prior to removal
The caliper sliding pins must be removed prior to removal
The piston must be replaced every time the caliper is removed
The boot must be replaced every time the caliper is removed
The brake fluid has been contaminated with oil. Which of the following is correct?
All rubber components must be replaced
Only rubber components which show contamination should be replaced
All steel lines must b replaced
Only steel lines which show contamination should be replaced
During a pressure test both gauges in the figure above read lower than normal. Technician A says a frozen (stuck) disc brake caliper could be the cause. Technician B says a frozen (stuck) wheel cylinder piston could be the cause. Who is correct?
A only
B only
Both A and B
Neithr A nor B
When driving a new race of a tapered wheel bearing into the hub, which of the following is true?
Drive the race in until flush
Drive the race in until a distinct sound change occurs
Drive the race in until it is just below the surface
Drive the race in using the old wheel bearing as a driving tool
The tool shown above is used to:
Arc the bake shoes
Compress the brake shoes
Compare the shoes to the drum
Refinish the brake drum
When the brake line is loosened at the master cylinder no fluid will drip from the loosened line; however, when the brake pedal is pulled up fluid will start to drip. Which of the following is indicated?.
The master cylinder should be replaced
The master cylinder should be rebuilt
The brakes may be out of adjustment
The brake pedal may be out of adjustment
When reinstalling the caliper slide pins, they should be lubricated with:
High temperature wheel bearing grease
High temperature silicon grease
Lubriplate
antiseize
All of the following would cause the red brake warning lamp (RBWL) to be illuminated EXCEPT:
A leaking wheel cylinder
A faulty master cylinder
Broken brake hose
Low pressure to the hydraulic brake booster
Technician A says lug nuts for steel wheels should be torqued in a star pattern. Technician B says lug nuts for aluminum wheels should be torqued in a circle pattern. Who is correct?
A only
B only
Both A and B
Neither A nor B
Technician A says the purpose of the traction control deactivation switch is to allow wheel spin in deep snow or mud. Technician B says the purpose of the traction control deactivation switch is to improve fuel economy. Who is correct?
A only
B only
Both A and B
Neither A nor B
The brake fluid has been contaminated with oil. Technician A says all rubber hydraulic brake components must be replaced. Technician B says all the antilock braking system (ABS) wheel speed sensors must be replaced. Who is correct?
A only
B only
Both A and B
Neither A nor B
When adjusting the parking brake which of the following is correct?
Adjust the cable first, then the shoes
Adjust the shoes first, then the cable
Adjust the calipers first, then the shoes
Adjust the calipers first, then the cable
The traction control lamp stays on continuously on a vehicle. The ABS light is not lit. Which of the following is the most likey cause?
Wheel speed sensor
ABS control module
Traction control module
ABS modulator valve
Technician A says that a master cylinder pushrod that is adjusted too long could cause the brakes to drag. Technician B says that a master cylinder pushrod that is adjusted too long could result in repeat master cylinder failure. Who is correct?
A only
B only
Both A and B
Neither A nor B
The caliper slide pin bushings are worn. Which of the following is true?
The bushings must be replaced
The bushings must be replaced
The caliper must be replaced
The bushings must be heated to be removed
The bushings and the caliper piston must be replaced
In the figure above, if the spring is left out during assembly, which of the following would most likely occur?
The parking brake would not work
The brake would not self adjust
The service brake would only work in a rearward rotation
The service brake would only work in a forward rotation
Vacuum to the booster is being measured with the engine idling. Which of the following would be considered a normal reading?
5” Hg
11” Hg
18” Hg
25” Hg
The brake caliper shown above is a:
Qud piston floating design
Single piston floating design
Dual piston fixed design
Dual piston floating design
The flexible line connected to the front disc brake caliper is cracked. Which of the following should the technician do?
Repair the section of cracked hose using a barb fitting
Replace the hose with a new one
Replace all of the rubber hoses on the vehicle
Replace all of the rubber and steel hoses on the vehicle
A vehicle equipped with front disc/rear drum brakes has binding parking brake cable. This can result in:
Difficulty removing the disc brake pads
Difficulty removing the brake drum
Difficulty installing the disc brake pads
Difficulty installing the brake shoes
. A customer is concerned that the traction control light flashed on momentarily while driving on slick roads. The technician finds no stored diagnostic trouble codes. Which of the following is most likely the cause?
A faulty wheel speed sensor
A faulty brake modulator
Normal operation
Mismatched tires
A step master cylinder has been diagnosed to be faulty. Technician a says that the brake booster must be replaced along with the master cylinder. Technician B says that the step bore master cylinder cannot be rebuilt because it cannot be honed. Who is correct?
A only
B only
Both A and B
Neither A nor B
The hydraulic brakes on a car function correctly. However, the vacuum brake booster is not providing any brake assistance. Which of the following could be the cause?
Too much vacuum to the booster
Low brake fluid
Incorrect brake fluid
Too little vacuum to the booster
When installing the slide pins on the disc brake caliper the technician finds one hole stripped out. Which of the following is the most economical repair?
The caliper must be replaced
The disc brake rotor must be replaced
There may be oversized bolts available
The steering knuckle must be replaced
Technician A says DOT 3 and DOT 5 brake fluid can be mixed in a brake system without any problems. Technician B says DOT 4 and DOT 5 brake fuid can be mixed in a brake system without any problems. Who is correct?
A only
B only
Both A and B
Neither A nor B
The proper procedure for adjusting tapered roller wheel bearings used on some drum brake hubs is:
Tighten while spinning the hub to seat the bearings, then back off to the specified amount of end-play
Finger tighten the adjusting nut
Torque the adjusting nut to 20Ib/ft of torque and then turn the nut an additional 45 degrees
Torque the nut to 75ft Ibs with the wheels on the ground
A drum brake will rotate freely forward but will bind when rotated backward. Which of the following is the most likely cause?
A broken return spring on the front shoe
A broken return spring on the rear shoe
A binding wheel bearing
An out of round drum
Refer to the illustration above. The service brakes work correctly; however, the parking brake will not function. Technician A says the problem could be a torn boot. Technician B says the problem could be air in the hydraulic system. Who is correct?
A only
B only
Both A and B
Neither A nor B
During a brake inspection on a single piston floating caliper the technician finds the inner pad worn much more than the outer. Technician A says a binding piston could be the cause. Technician B says a sticking caliper body could be the cause. Who is correct?
A only
B only
Both A and B
Neithr A nor B
Brake fluid test strips can test the brake fluid for:
Oil
Water
Freeze protection
Power steering fluid
