How To Put Refrigerant In Car Ac Unit

Reattach the rubber hose to the low pressure port on the ac line.

How to put refrigerant in car ac unit.

Add only small amounts at a time allowing approximately 10 minutes between each small addition to get a clear reading on the gauges. There will be a small knob on the bottom of the refrigerant canister. Start the engine and turn the ac to high. Give the system a minute to pressure up then turn the gauge counterclockwise to start releasing the r134 into the system.

How to fill car air conditioning system with refrigerant. Be sure the refrigerant container stands upright for the duration. Want cold air in your car this summer. I show you a quick and cheap way to get cold air if you have a slow leak in your ac syste.

Once all aspects are connected to your ac unit you can release the valve on your freon container and allow the coolant to circulate in the system. If hooking a set of gauges to the vehicle you will use both. Attach the yellow hose to the refrigerant canister s valve and attach the other end to the middle valve connection on your gauge. Once the can is installed hold the can upright and squeeze the trigger for 5 to 10 seconds to add the refrigerant to the system.

Also wear a pair of protective goggles thick waterproof gloves and a long sleeved shirt. The compressed refrigerant is much hotter than the air passing through the condenser so it sheds heat. To fill the system with refrigerant. Never turn the can upside down.

Squeeze the trigger for 5 10 seconds slowly tipping and shaking the can. The heated gas then passes into the condenser which is usually positioned in front of the car s radiator. Most 1994 and older vehicles used r12 as the original refrigerant if the vehicle being serviced is still using r12 it must be evacuated and retrofitted. Twist it several times to open the refrigerant.

After you release the trigger check the pressure gauge to be sure you are not overcharging the system. Open the canister of refrigerant by twisting the spout on the bottom. The gaseous refrigerant is compressed by the belt driven compressor to a higher density and temperature. Threading the can onto the hose allows you to slowly top off the ac system with liquid refrigerant.

If hooking a can of refrigerant with a single hose gauge to the car you will use the low side. Instructions for how to put freon in car before topping up the ac system park the car in a well lighted and well ventilated place. How to recharge ac in a car.