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

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Quick check



NOTE: The following sequence of battery repair and servicing information/documentation is the most up-to-date available, and allows for quick servicing and checking of the various battery types installed. Use the quick check processes per battery type defined below using all specified special tools and equipment, then refer to the detailed battery servicing subjects that follow.


Quick check
- Batteries with charge indicator: Visual check of battery housing, poles and terminals. Visual check of electrolyte level and charge indicator (confirms electrolyte specific gravity and charge condition). Perform battery load test if necessary.
- Batteries without charge indicator: Visual check of battery housing, poles and terminals. Visual check of electrolyte level. Check electrolyte specific gravity with appropriate tester. Perform battery load test if necessary.