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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Vacuum Brake Booster






Brake Booster Components

CAUTION: Never disassemble brake booster. Disassembly will spoil its original function. If faulty condition is found, replace it with new one.