Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Drum Brake System: Testing and Inspection




Drum Brake Adjusting Hardware Inspection

1. Inspect the drum brake adjusting hardware for the following:

* Excessive corrosion
* Damaged or broken adjuster spring
* Damaged or broken adjuster lever
* Damaged or broken adjuster star wheel and or adjuster thread

2. If components are found to be damaged, replace them.