A/C System Repair Information
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- An A/C system made for refrigerant R12 must not be filled with refrigerant R134a without making modifications to the refrigerant circuit, refer to REFRIGERANT CIRCUIT, CONVERTING R12 TO R134A AND SERVICING .
- The refrigerant oils specifically developed for R134a and R12 refrigerant circuits are never to be mixed.
- Service stations which come in contact with the refrigerant are only to be used for the intended refrigerant.
- Components of R134a refrigerant circuits can be identified by their markings, green labels or design (such as different threads) to prevent interchanging with components designed for refrigerant R12.
- A label indicating the refrigerant used is provided in the engine compartment on the lock carrier or in the plenum chamber.
- Different refrigerants are never to be mixed.
NOTE:
When working on the refrigerant circuit, always heed the information given in "Safety measures", refer to A/C SYSTEM AND REFRIGERANT R134A SAFETY PRECAUTIONS and "Basic rules for working on refrigerant circuit" REFRIGERANT CIRCUIT, GENERAL PRECAUTIONS .