Recharging any air conditioner unit is not a DIY job.
To be able to do it safely - without endangering your own life or anyone else's - you need a licence to do the work. To get a licence you need to be properly trained and then you must pass both a practical test and a theory exam.
This advice applies to any air conditioning unit, no matter if in a vehicle or in a building.
For more information see the answer to the Related Question shown below.
The 1990 Buick LeSabre air conditioner recharge valve can be found on top of the air conditioning compressor. The air conditioner recharge valve will have a blue top.
Portable air conditioner will not blow cold air. What to do?
can some tell me where the port is the 1993 lexus so I can recharge air conditioner
There are two ports to recharge the air conditioner in a 1998 VW Jetta. Follow the Air Conditioner lines to the firewall, the lower one is on the passenger side near the strut tower.
You will need a Freon recharge kit. Connect the hoses of the recharge kit to the ports on top of the air conditioner compressor. Release the Freon into the compressor.
Your recharge your air conditioner with the type of refrigerant which it was designed for.
The recharge prot is on top of the "drier", which is located under the passenger side wheel well. Will-
To properly recharge it you have to have a refrigerant recovery system and gauges.
With a can of freon
on the low side
You can recharge your 1998 Mercury air conditioner by connecting your Freon bottle to the low pressure port. You can find the low pressure port on top of the air conditioner compressor. Release the Freon into the compressor.