Drum Brake Service Flashcards
1
Q
How do you remove hub-less drums?
A
- tap them with a hammer to free them up
- some Asian brand vehicles have two threaded holes to help remove the hubs.
- some drums are held on by screws.
2
Q
What two reasons for a stubborn drum removal?
A
- a ridge can be formed inside the drum - this ridge bites on the the brake shoes, preventing it from be removed.
- Old corroded brake parts.
3
Q
What tool can be used to remove a drum?
A
- a drum puller - look on the slides to see what it looks like.
4
Q
What should you do if a wheel cylinder is leaking, old, and corroded?
A
- always replace them - they are inexpensive.
5
Q
What should be done when testing the parking brake?
A
- have some engage and disengage the parking brake
- while the other visual inspects it while in operation.
- if the cable has laziness or is binding, replace it.
6
Q
What needs to be done to eliminate brake squealing?
A
To eliminate brake squealing, apply/use anti seize compound on the six shoe support pads.
7
Q
Do brake shoes self adjust as they wear out?
A
Yes
8
Q
When replacing brake shoes, what measuring tool should be used and where when installing the new brake shoes? Also, what is this process called?
A
- Adjusting the shoe to drum clearance is the name of this process.
- brake shoe setting gage
- measure inside of the drum
- measure the outside of the two shoes.
- adjust the shoe adjuster if needed to ensure it fits perfectly.
9
Q
What can be done after the brake shoes have been adjusted?
A
- If it feels loose, the park brake can be adjusted.
