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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Refrigerant: Description and Operation






A/C System, Repairing and Handling Refrigerant

Information for repairing vehicles with air conditioning and working with refrigerant can be found in ELSA under Heating-Ventilation-Air Conditioning; Air Conditioning with R134a Refrigerant; Technical Data.

Information for special tools and equipment when repairing vehicles with air conditioning can be found in ELSA under Heating-Ventilation-Air Conditioning; Air Conditioning with R134a Refrigerant; Technical Data.

CAUTION!
Do not bend or kink A/C lines excessively.

There is a foil inside the refrigerant lines that can be destroyed.

Refrigerant lines must not be bent beyond a radius less than R = 100 mm.

Further information: