r134a

So i have a 2006 lincoln zephyr i recently got in the winter, I tried the ac once just to check but it was cold obviously cause of the cold weather. Now with the summer heat coming I turned it on and it was hot. Just from assuming it was low I picked up a kit from Canadian tire of R134a and...

Looking at the Auto Part Store ads, their are 12 to 18 ounce cans with a hose attachment. Is one of these cans going to be enough, or will it take several cans? Hoping the leak is not too bad.

Looking at the Auto Part Store ads, their are 12 to 18 ounce cans with a hose attachment. Is one of these cans going to be enough, or will it take several cans? Hoping the leak is not too bad.