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)

Or, hide this message: temporarily or permanently

Brake Booster




Brake System Inspection





Brake Booster

1. Inspect the brake booster for excessive corrosion or damage. Inspect the vacuum hoses for leaks and kinks.
- Install a new brake booster if signs of excessive corrosion or damage is found. For additional information, refer to Power Brake Actuation Service and Repair.

- Repair or replace vacuum hoses as necessary.

- To check for correct brake booster operation, refer to Component Tests Component Tests.