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

Engine: Testing and Inspection






Caution: Checking for leaks while the engine is running creates the risk of engine overheating. Observe coolant temperature.

R50:
Remove pressure cap from fill tower.
Check for leaks with C02 leak tester.

R53:
Remove pressure cap from expansion tank.
Check for leaks with C02 leak tester.

Follow equipment manufacturer's operating instructions.