Yes you can have too much refrigerant in your A/C system and it will damage the system. The only way to know how much is in the system is to measure it by using a gauge.
depemds on the car as how much freon it will hold. some cars have a tag saying how much freon the car is filled with. Too much freon is just as bad as not enough freon.
take it to someone that can reclaim it
yes, it will blow out your seals. causeing all the freon you just put in to leak out. yes
It's too volatile.
1.88 pounds of 134
Excessive freon may cause the compressor to"slug" (Seize)
FreonThe connection is on or close to the receiver dryer. If you add too much, the compressor will lock up or it won't cool very good. They don't sell Freon any longer. By the way, your car takes R134A refrigerant. If you add Freon, you ruin it.
The exact amount of Freon that needs to be added to a Kia Optima is unknown. This is because if Freon is needed there may be a leak and the car will need to be taken to a mechanic.
to answer your question they are about 30 bucks a can but you can not do the work your self because no and days they have a recaptor tecnique to catch the release of the extra freon left in the system
where do u put freon in a smart cAR 2009
Freon is odorless; you cannot smell it.
There should be a sticker under the hood which tells which refrigerant is used and how much for that particular system.