Adding Refrigerant To Car Ac Unit

To get the ac working on a pre 1994 vehicle you ll first have to take it to a repair shop and have it converted to use r134.

Adding refrigerant to car ac unit.

Here are a few helpful tips to see if your car is a candidate for adding a can of refrigerant and then adding a can. After you release the trigger check the pressure gauge to be sure you are not overcharging the system. Threading the can onto the hose allows you to slowly top off the ac system with liquid refrigerant. Add only small amounts at a time allowing approximately 10 minutes between each small addition to get a clear reading on the gauges.

Check the vent temperature check. Be sure the refrigerant container stands upright for the duration. This will create a vacuum that will remove the refrigerant from the system. If the car does not use pure refrigerant a filter is added to prevent other substances from entering the machine.

Adding more refrigerant to a unit with dirty parts can damage the ac. Older cars use r12 refrigerant which is no longer manufactured. Connect the red line from the machine to the high port and use the blue line to the low port. 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.

The best way to determine this is to check your car s owner s or repair manual. How to add refrigerant to an ac system how to add freon to a cay ac how to add r134a refrigerant to an automotive air conditioning system how to top off a. 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. Adding freon to a car air conditioner written by chris nickson on may 12 2010 to ensure our content is always up to date with current information best practices and.

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