If you are qualified to service the A/C system, then you know how. If you are not qualified, then you should take it to a local service shop for repairs. Refrigerant can be dangerous if mishandled.
You can also now buy recharge kits at Canadian tire and do it yourself, the refrigerant is now ozone free so it's no longer dangerous. Just follow the instructions on the kit, it's pretty easy
Add it to the low presser side. It will be located on the evaporator on the fire wall on the passenger side of vehicle.
If that is all that you want to do then just add it on the low side service port that is located on the a/c accumulator...................
The 1996 Suburban uses r134 Freon. The fittings to add Freon are different sizes on r12 and r134, making it impossible to add the wrong type to your vehicle.
Take it to an expert. You are not qualified nor do you have the equipment to do this.
Using a set of gauges you will put the blue hose on the low side which is the suction side and the red hose on the high side which is the discharge side and using the remaining yellow hose you will attach the can of freon and add the correct amount plus add oil as well....
Using the proper type of freon and a gauge, connect to the low side ac port. With the engine running and the ac on high, add freon till the gauge shows full.
You don't add Freon as it has R134a not Freon. You add it to the low pressure side which is the larger hose.
Take it to the a auot shop. you can not add freon
Answer freon install 1991 Chevythe low side is the big tubing high is small you should look for a siver canaster about the size of a thermus it will have a connection for low pressure to insert freon into system
Contains no Freon. Freon was banned beginning in 1996.
If it hasn't been coverted to R134 it will have to beBuy a kit at Wal-Mart or auto parts comes with instructions
Answering "Where do you add freon to your air conditioner in your ford ranger?"