Drum brake diag

Technician A says that silicone brake grease can be used to lubricate the shoe contact ledges. Technician B says that synthetic brake grease, lithium brake grease, or antiseize compound can be used as a brake lubricant. Which technician is correct?

• Tech A

• Tech B

• Both Tech A and Tech B

• Neither Tech A nor Tech B

Most manufacturers recommend that brake parts should be cleaned with__________ .

• clean water only

• denatured alcohol

• stoddard solvent

• detergent and water

Technician A says that starwheel adjusters use different threads (left- and right-handed) for the left and right sides of the vehicle. Technician B says that the threads and end caps of the adjusters should be lubricated with brake grease before being installed. Which technician is correct?

• Tech A

• Tech B

• Both Tech A and Tech B

• Neither Tech A nor Tech B

The drum brake on one side of a vehicle is dragging. Which of the following could NOT be the cause?

• Sticking wheel cylinder piston

• Improper shoe adjustment

• Broken retracting springs

• Air in the system

What is the technician checking in this illustration?

• Shoe conicity

• Shoe diameter

• Shoe-to-backing plate clearance

• Shoe-to-drum clearance

) Technician A says that wheel cylinder dust boots keep dust and moisture out of the cylinder bore. Technician B says that most wheel cylinders can be rebuilt if the bore is honed first. Which technician is correct?

• Tech A

• Tech B

• Both Tech A and Tech B

• Neither Tech A nor Tech B

Today, most wheel cylinders are rebuilt, rather than replaced.

• True

• False

When brake linings are replaced, the ________ should be inspected.

• camber angle of the suspension

• condition of the wheel cylinders

• Both A and B

• Neither A nor B

When manually loosening brakes equipped with automatic adjusters, the ________ must be pushed or held out of the way

• return spring

• adjuster cable

• starwheel adjuster

• adjuster lever

Dry backing plate pads can cause the brakes to squeak.

• True

• False