How do you recharge ac in a Isuzu ascender?

You didn't give the year model of your Trooper, but I doubt there is much difference.1. Go to Wal-Mart or Auto Parts store and buy a can of refrigerant and installer kit.(you can buy a combination...

Buy a kit at auto parts store--comes with instructions

recharge your own AC. Here is a good write-up on the procedure, including risks of doing it yourself: http://autos.yahoo.com/maintain/repairqa/fluids_heat_air_conditioning_general/ques023_0.html

if you are doing backyard repair locate the ac low pressure line its the big ac line at firewall then find fitting with blue cap go to parts store and get refrig kit follow instructions on can

faceing the front of the car on the left side down at the bottom of the radiator .