If it's coming out of a crimp joint, replace it. If it comes from a removable connection, replace the "o" rings. Glenn
It is advisable to call a technician to repair your air conditioning. He will solder the damaged pipe so that the freon wont leak anymore. Besides being dangerous, the lack of freon makes your air conditioner to work badly, and even stop refrigerating.
The alternator oil pipe on combo van leaking does feed the vacuum and the return pipe.
When repairing a leaking pipe, you need a plastic tube that is not leaking and with a mouth a little larger than the pipe you are replacing. No specific kind of tubing would be preferable over another type.
When you open the hood, on the left side there is a skinny pipe and you will see a valve with a green cap. This is where you put in the freon. When you buy the frion, it should come with a hose that just pushes on to the valve and shoots the freon into the pipe.
copper pipe
there is a pipe running along side of inner wing on the Drivers side this is the ac pipe, halfway along toward windscreen there is a valve on top of pipe usually with a green cap on it, that is where freon goes..
If it is leaking when you use the shower, not shutting off completely, it will need to be replaced. If it is leaking at the wall, take it off and reseal the thread on the pipe with either pipe dope or Teflon tape and reinstall.
possibly the exhaust has a hole in it allowing the emmissions water which normal runs out of the tail pipe to run out rusted hole in muffler or exhaust pipe system. Does your truck bed have water in it from a recent rain storm ? The only other thing back there is the gas tank itself, but you would smell gas if that is leaking in liquid form.
The exhaust pipe was leaking.
It contains no Freon. It contains R134a refrigerant and you add it to the low pressure port which is the larger pipe.
This is done by plumbers or depending on the Pipe engineers.
Seep