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

Fluid Change Intervals

Under normal operating conditions, the transmission fluid and screen should be changed every 100,000 miles. Under Severe conditions such as driving in heavy city traffic where outside temperature regularly reaches 90°F, driving in very hilly or mountainous areas, trailer towing or commercial use such as taxi, police car or delivery service, the fluid and screen should be changed every 15,000 miles.