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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Gas Leak Test




1. Check for oil stains on the connections shown.
2. If there is no oil stain, go to step 4.
3. If there is an oil stain, check for a loose connection. If it's loose, tighten the connection to the specified torque and refill the oil and refrigerant. If the connection is properly tightened, replace the O-ring and, if necessary, other parts. Refill the oil and refrigerant.




4. Check for leaks at the connection by using a gas leak tester.
5. If there is leakage, check for a loose connection. If it's loose, tighten the connection to the specified torque and refill the refrigerant. If the connection is properly tightened, replace the O-ring and, if necessary, other parts. Refill the refrigerant.