You will first need to know what is wrong with it because it could be as big as a compressor or as small as a loose wire................
If your air condition unit is leaking you can call a local mechanic who specializes in that or a company. One hour heating and air condition is a great solution and they have reasonable rates.
Heating and Air can fix your air conditioner. Your comfort is their main priority, they guarantee anything they install in your home will heat or cool it for at least 5 years.
Determine problemLow refrigerant charge?Blown Fuse?Etc.?
The outside air temperature should still have the same reading. The installed sending unit should not affect the temperature gauge.
no you will need to call someone to fix it
-maybe it time to call the pro's
air bag bulb
check out strutmasters.com they have what you need.
You will need be able to fix it as you need a machine that can cause a vacuum inside the system. You have to take it to a shop and it will be expensive.
If you mean that it is not coming on (no power) then check the power transistor for the rear air/heat unit. I had to get mine replaced...around $100.00 at the dealer.
Fixing your Automotive Air Conditioning unit in your car will most like require you to take it to an automotive shop, expecially if it possilbe need frezon sprayed into it/.
I suggest you do a research using ask.com. There are so many thingsthat could be wrong with the A/C unit and it's so hard to determine what is wrong without being the one to see it personally.