Adding freon to an air conditioning unit should only be done by a certified technician. It is in fact illegal for anyone to add freon to air conditioning that isn't properly certified, so one would add freon by calling in a certified technician to do it for them.
where do I add freon to my air conditioning unit on a 1997 chevy truck?
where is low side charge port located
To know when an air conditioning unit (non-window unit) needs to be charged (needs freon), it will not cool properly or you can test it with the appropriate gauges (see related link below).
in the air conditioning unit
Never, an air conditioner is a closed system. If you need to add refrigerant you have a leak that needs to be repaired. In theory you should never have to add freon. but there can be some residual loss. maybe after five to ten years.
To buy ac Freon you need to be certified and to add ac Freon to central air conditioning unit is risky.The air conditioner filters are normally located in return duct grills or in the air handler. Read how to change air conditioner filters.
it will break the unit
nowhere
yes you can you just have take the cover off the front of it, but first with a water hose wash outside and the inside off before you put the freon in.
Never, unless you have a leak.
Through the schrader valve on the low pressure side of the system.
When charging your Jaguar X-type air conditioning unit you will need R-135a Freon with oil added in. There are 2 ports on the air conditioning unit, one big and one small. Make sure that the car is running and the air conditioner is on full blast, then hook the Freon refill rig onto the port that it fits to recharge the system.