Technician A says that the anchor pin​ (shoe anchor) is used to hold one end of the primary and secondary shoe return springs. Technician B says that the shoe anchor prevents the brake shoes from rotating with the drum when the brakes are applied. Which technician is​ correct?

Which lining does most of the braking on a​ dual-servo brake?

Which lining does most of the braking on a​ leading/trailing brake?

The brakes on a​ dual-servo drum system are designated as​ ________.

​________ action uses drum rotation to force the brake shoe outward and wedge it tightly against the brake drum.

When removing the Brake line from a Wheel Cylinder, what tool should be used?

As a general rule, how often should brakes be checked?

Technician A says to make the finish cut at the slowest speed when machining brake drums. Technician B says that the drum should not exceed its discard diameter. Who is correct?

Duo-Servo brakes adjust:

Leading Trailing brakes are adjusted:

On a Duo-Servo drum brake, when compared to Primary shoe linings, the Secondary shoe linings are:

Technician A says that all modern brake linings are bonded to their shoes. Technician B says that some brake linings are riveted to their shoes. Who is correct?

After assembling a drum​ brake, it is discovered that the brake drum will not fit over the new brake shoes. Technician A says that the parking brake cable may not have been fully released. Technician B says to check to see if both shoes are contacting the anchor pin. Which technician is​ correct?

Technician A says that hard spots in a brake drum should be removed using a​ carbide-tip machining tool. Technician B says the drum should be replaced if hard spots are discovered. Which technician is​ correct?

New rear brake shoes were replaced on a​ rear-wheel-drive vehicle equipped with front disc brakes and rear drum brakes. During the test drive smoke was observed coming from both rear wheels. Technician A says that this is normal because the new linings always smoke when first heated due to the resins in the lining. Technician B says that the parking brake cable may not have been fully released causing the brakes to drag. Which technician is​ correct?

Which is the most likely cause of chatter marks on the friction surface of a brake drum during​ machining?

New wheel cylinders are being installed. Which operation is not​ required?

On a car with disc/drum brakes, the front brakes grab quickly when light pedal pressure is applied. This problem could be cause by a bad:

The driver of a vehicle with power disc/drum brakes says the brake pedal moves slowly to the floor while maintaining pedal pressure at a stoplight. What could cause this problem?

Which of the following would MOST LIKELY happen if the measurements taken from the check shown above varied from the manufacturer's specifications?

What is the purpose of the master cylinder residual check valve(s) on vehicles equipped with drum brakes?

A technician has just overhauled the front brakes on a vehicle with front disc and rear drum brakes. However, when he attaches a pressure bleeder (pressurized to about 25 psi) to the master cylinder, he cannot get any fluid to come out of the disc brake caliper bleeder screws. Which of the following is MOST LIKELY the cause?

On a vehicle with single piston floating caliper front disc brakes, the brake pads on the left side on the vehicle are almost completely worn while the right side is almost new. Technician A says that too much rotor runout could be the cause. Technician B says that a binding caliper piston could be the cause. Who is right?

What is the purpose of the bar that is being removed from the brake assembly shown below?

A hydraulic brake line is leaking. Which of the following is the correct repair procedure?

The set-up shown above is used to check:

Which of the following problems would be caused by using a residual check valve in a disc brake master cylinder?

Which of the following brake symptoms can be caused by wheel bearing problems?

Which component in the Hydro-Boost system provides power assist if there is a loss of hydraulic pressure to the system?

A customer complains that the parking brake will not keep his car stationary. The car has four-wheel disc brakes. Technician A says the caliper levers could be out of adjustment. Technician B says the brake shoes could need adjustment. Who is right?

When replacing an integral hub/bearing assembly on a front wheel drive vehicle, all of the following must be replaced EXCEPT:

A wheel cylinder has been disassembled and corrosion and light scoring have been found in the bore. Technician A says the bore can be refinished using a small hone lubricated with cutting oil. Technician B says oversize pistons and cup seals can be installed if the hone removes too much material. Who is right?

Two technicians are discussing traction control systems. Technician A says that some traction control strategies do not use the brakes to control wheel spin. Technician B says that a fault in the ABS does not affect traction control. Who is right?

When rough machining a brake drum, the depth of cut and spindle feed rate should be:

In the test shown above, vacuum should:

Technician A says the number on the brake drum shown above indicates the maximum diameter, beyond which the drum should not be used. Technician B says the number indicates the maximum diameter the drum can be machined to. Who is right?

A vehicle's brake warning system schematic is shown above. All of the following could cause the brake warning light to stay illuminated EXCEPT:

Technician A says a hydraulic system uses air to transmit motion or pressure from one point to another. Technician B says a hydraulic system uses a liquid to transmit motion or pressure from one point to another. Who is right?

Technician A says certain automotive power brake systems use engine vacuum to assist brake pedal application. Technician B says certain automotive power brake systems use a vacuum pump to assist brake pedal application. Who is right?

Technician A says certain automobiles are equipped with disc brakes on all four wheels. Technician B says disc brakes are most commonly used on an automobile’s rear wheels. Who is right?

All of the following are basic components of an automotive disc brake assembly EXCEPT: 

Technician A says a caliper cylinder holds the piston on a drum brake assembly. Technician B says a caliper cylinder holds the piston on a disc brake assembly. Who is right?

Technician A says a manual master cylinder normally bolts to the side of the engine. Technician B says a manual master cylinder normally bolts to the engine firewall. Who is right?

Technician A says a push rod connects the brake pedal to the master cylinder piston. Technician B says a steel plate connects the brake pedal to the master cylinder piston. Who is right?

Technician A says an automotive master cylinder keeps the brake system full of fluid as the brake linings wear. Technician B says an automotive master cylinder maintains a slight amount of pressure to keep contaminants from entering the brake system. Who is right?

Technician A says an automotive master cylinder is a device that uses brake system pressure to produce friction for stopping wheel rotation. Technician B says an automotive master cylinder holds the wheel cylinder piston and brake pads. Who is right?

Technician A says a master cylinder’s cup and piston are used to release brake system pressure. Technician B says a master cylinder’s cup and piston are used to pressurize the brake system. Who is right?

Technician A says a longitudinally split brake system has each master cylinder piston operating the brake assemblies on opposite corners of the vehicle. Technician B says a longitudinally split brake system has one master cylinder piston operating the front wheel brake assemblies and the other piston operating the rear wheel brake assemblies. Who is right?

Technician A says that a brake fluid leak at a caliper is usually caused by a bad rubber bellows. Technician B says that the piston-to-cylinder in the caliper must be leaking. Who is right?

Technician A says that a disc brake uses a steel or carbon fiber wheel to act as a friction surface for the brake pads. Technician B says that the rubber boots in the caliper keep dust, dirt, and road debris off the hydraulic piston. Who is right?

Technician A says that an electric parking brake uses a switch and vacuum motor to mechanically engage the rear brake. Technician B says a servo motor applies the parking brake when the driver presses a parking brake button switch. Who is right?

Technician A says that hybrid vehicles are equipped with regenerative braking systems. Technician B says that the motor-generator places a drag on the rotating tires, wheels, and drive train, slowing the vehicle. Who is right?

A customer complains that his car vibrates when the brake pedal is applied. Technician A looks for a warped disc. Technician B checks for “hard spots” on the brake disc. Who is right?

A customer tells the shop service writer that there has been a noticeable increase in the foot pressure needed to apply the brakes on her car. Technician A checks for a frozen wheel cylinder. Technician B checks the car’s front end alignment. Who is right?

A car veers to the right when the brakes are applied. Technician A checks the vehicle’s front end alignment. Technician B looks for a frozen caliper. Who is right?

An automobile’s brake system has a soft, spongy pedal. Technician A checks the fluid level in the master cylinder. Technician B checks the operation of the brake caliper pistons. Who is right?

An automobile has a dropping brake pedal. Technician A looks for an internal master cylinder leak. Technician B checks for a scored or gouged brake rotor. Who is right?

A car has a low brake pedal problem. Technician A inspects the brake adjusters. Technician B looks for a maladjusted master cylinder push rod. Who is right?

A small pickup truck is brought into the shop with a no-brake-pedal condition. Technician A checks the hydraulic system for problems. Technician B checks the wheel cylinder return springs. Who is right?

An automobile has a metal-on-metal grinding sound when the brakes are applied. Technician A inspects the brake linings. Technician B looks for a leaking wheel cylinder. Who is right?

An automobile has a metal-on-metal grinding sound when the brakes are applied. Technician A inspects the brake linings. Technician B looks for a leaking wheel cylinder. Who is right?

An automobile’s brake system needs to be inspected. Technician A checks the system’s brake pedal action. Technician B checks the fluid level in the master cylinder. Who is right?

When installing a new master cylinder, Technician A says bench bleeding is not needed. Technician B says that you should be careful not to cross-thread the brake line nuts into the master cylinder. Who is right?

An automobile has a spongy brake pedal. Technician A checks to see if the brake pad linings are too thin compared to specs. Technician B bleeds the brake system. Who is right?

Technician A says that when bleeding a brake system, you can use a vacuum bleeding system. Technician B says you also need a master cylinder filling tool to keep the reservoir from becoming empty. Who is right?

When removing a brake caliper, Technician A says you should push the piston all the way back into its cylinder so the piston will accept the new thicker brake pads. Technician B says that you can hang the weight of the caliper on its brake hose. Who is right?

An automotive brake disc has 0.001″ runout. Technician A wants to replace the brake disc. Technician B says this amount of runout is normally within specifications. Who is right?