Leak Testing: Notes
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
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 12V Leak Detection Lamp
- J 43872 Fluorescent Dye Cleaner
Important: GM vehicles 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.