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)

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Vehicle Damage Warnings

CAUTION:
- The refrigerant identifier must be used before the system is evacuated, otherwise the service station may become contaminated. Contaminated refrigerant must be disposed of as special waste. The manufacturer's instructions must be followed when dealing with the service station.
- The air conditioning system must be evacuated for about 30 minutes before recharging it, to ensure that it operates correctly.
- If moisture was able to enter an open system over an extended period (several hours), install a new accumulator/dehydrator and increase the evacuation time to 2-3 hours.
- Only gaseous charging of the air conditioning system is done through the low-pressure connection.
- The air conditioning system must always be evacuated before charging.