You should follow the instructions that come with an a/c leak detector test Parts are just part of what we do Most kits require the insertion of dye into the low side air conditioning fitting.
A/C Leak Detection Kit at Pedro Varnado blog
A/c pro certified a/c pro car air conditioner stop leak detector kit, leak detection kit detects o ring and hose leaks, includes protective glasses and pen light
These handy tools give me the power to pinpoint leaks quickly and accurately, saving time and costly repairs
Whether you’re a seasoned mechanic or a diy enthusiast like me, understanding how to spot and fix ac leaks can make a huge difference in maintaining a cool, refreshing ride all year round. Shop for leakfinder bigez universal a/c uv leak detection kit with confidence at autozone.com
