Read this site...............
http://autoacrepairs.com/134aConversion.htm
When the fridge is not cooling due to freon leak or freon restriction.
cooling will continue when the refrigerator operates then it has freon ,if cooling stops while operating then it does not have....
You can add Freon to your 1999 Chevy cooling system through the low pressure port. Connect your Freon bottle to the low pressure port and release the Freon into the system.
The 1998 Chevrolet 2500 pickup truck has a Freon capacity of 5.5 pounds. You should never overfill the Freon in your cooling system.
What Ac refrigerant freon is required in 1989 BMW 7-Series? What Ac refrigerant freon is required in 1989 BMW 7-Series?
No. You can loose volume and not cool as well, but as long as the amount of freon in a given system remains the same it will cool. The cooling properties come from the freon changing from liquid to gas and back again. It doesn't wear out.
freon is the gas used in refrigator for cooling purpose
No, Freon is no longer used in vehicles' cooling system. Should you take your car in for maintenance, the mechanic will use a special vacuum to remove and properly dispose of the Freon. The mechanic will then use R-134, a replacement for Freon.
freon?
freon
There are quite a few reasons why an air conditioner could be running but not cooling. One should first check the Freon lines and ensure that there is an adequate amount of Freon available.
Yes, essentially all AC systems use Freon. After 1992, U.S. law required manufacturers to switch to an environmentally friendlier Freon, R134a.