HOW I FIND AC LEAK ON MY CAR on 2002 Toyota Sequoia

ABOUT 3 WEEKS AGO I PUT R 134A GAS FOR AC. WAS BLOWING COLD AIR UNTILE NEXT TWO WEEK AND NOW NOT BLOWING COOL AIR. SO LOOK LIKE I HAVE SOME WHERE LEAK .HOW I CAN FIND LEAK.
KIRIT PATEL.

Asked by for the 2002 Toyota Sequoia
1 answer
A shop would use dye in the freon system to determine where the leak is and with a black light they could determine where its leaking. You need a shop to handle this and you can find one here www.repairpal.com/directory