Leak Testing - Refrigeration System

TOOLS REQUIRED
^ J 39400-A Halogen Leak Detector
^ J 41447 R-134A A/C Tracer Dye-Box of 24
^ J 41459 R-134A A/C Tracer Dye Injector
^ J 42220 Universal 12 V Leak Detection Lamp
^ J 43872 Fluorescent Dye Cleaner

IMPORTANT: General Motors passenger cars are now manufactured with fluorescent dye installed in the A/C system.

The preferred method of leak testing is the use of fluorescent dye. J 41447 is the only dye approved by General Motors. Follow the Fluorescent Dye Injection procedure for vehicles that do not already contain the fluorescent dye.