IMPORTANT! Read product Safety Data Sheet before use. Check warnings on R-134a can and consult automobile service manual.

1. To withdraw piercing needle, turn valve handle on the R-134a Recharge Hose in a counterclockwise direction until it stops.
2. Screw R-134a Recharge Hose to the top of R-134a can.

1. Locate Low Side service port of AC system. The Quick connect hose adaptor will only fit Low Side or suction valve of air conditioning system. Never connect to High Side as this may be dangerous. The Low Side Service Port is located on the large diameter hose that remains cool and may usually be found between the compressor and the evaporator. On most late model GM and Fords, it is located on the accumulator drier.
2. Remove protective dust cap.
3. Pull sleeve back while pushing on to male service port. Push sleeve forward, making sure that coupler fits tightly into place.
4. Turn AC to maximum cool and start engine. (Do not do so in closed garage.) Turn valve handle in a clockwise direction to pierce the R-134a can and allow refrigerant to flow into system. Can should be in upside-down position during this procedure.
5. When charging procedure is complete, turn the valve handle in a counterclockwise direction until it stops. Remove quick connect adaptor by pulling sleeve back once more.
6. Remove R-134a Recharge Hose from the top of the R-134a can. Discard the empty can.