Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2019TRAX PREMIER, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1 (HEATING SYSTEM, VENTILATION SYSTEM, AND AIR CONDITIONING SYSTEM)REPAIR INSTRUCTIONSCOMPRESSOR LEAK TESTING (R-134A)FLUORESCENT DYE INJECTION
2019 Chevrolet Trax Premier, AWD
Fluorescent Dye Injection
2019 Chevrolet Trax Premier, AWDSECTION Fluorescent Dye Injection
WARNING: This page is about a different car, the 2018 Chevrolet Trax and 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
- GE-41447 R-134A A/C Tracer Dye - Box of 24 can be poured directly into a removed A/C component.
- GE-46297 - 12 Replacement Dye Cartridges is injected into the low side port using GE-46297 A/C Dye Injector Kit.
- Not all of the fluorescent dyes are compatible with PAG oil. Some types of dye decrease the oil viscosity or may chemically react with the oil.
- R-134A leak detection dye requires time to work. Depending upon the leak rate, a leak may not become visible for between 15 minutes and 7 days.
- To prevent false diagnosis, thoroughly clean any residual dye from the service port with a rag and the approved fluorescent dye cleaner GE-43872 Fluorescent Dye Cleaner.
NOTE:
Use only fluorescent dye approved by General Motors.
NOTE:
Do NOT overcharge the A/C system with dye. Use only one 7.39 ml (0.25 oz) charge.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.