A DIY how to on recharging an automotive air conditioning system.

The Emzone AC Recharge kit was used to recharge the system on a Toyota, which came with R134A refrigerant. The kit comes with two R12A refrigerant bottles, an oil analyzer, gauge and hose and an R12 retrofit adapter.

Since it is not recommended to mix refrigerants, the R134A should be removed properly from the system by an AC certified personnel. R12A is a newer substitute for R134A and is not related to the dangerous and outdated R12. It can be bought off the shelf and handled without a license.

Procedure is straight-forward once the system has been drained. The hose is attached to the can and then to the low side pressure port on the car. Once the valve is opened, refrigerant enters the system, initially with the AC compressor off, and then on, until the desired pressure is reached.

The refrigerant contains a UV die that allows for easier leak finding.

Proper safety precautions should always be taken when handling refrigerant, as its contents are under pressure and highly flammable.


The A/C Recharge kit is available from Amazon here:
https://amzn.to/3z6snRP (Canada)
https://amzn.to/3khrHoB (US)

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