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 MANUALSCHEVROLET1999PICKUP C2500, 2D PICKUP, 6.5 F, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 671 (HEATING, VENTILATION AND AIR CONDITIONING)REPAIR INSTRUCTIONSFLUSHINGNOTES
1999 Chevrolet Pickup C2500, 2D Pickup, 6.5 F, Standard
Repair Instructions: Flushing: Notes
1999 Chevrolet Pickup C2500, 2D Pickup, 6.5 F, StandardSECTION 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 43600 Air 2000 Air Conditioning Service Center
- J 45268 A/C Flushing Adapter Kit
- 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
Flushing is intended to remove the following:
- Contaminated PAG oil
- Desiccant, following a desiccant bag failure
- Overcharge of PAG oil
- Refrigerant contamination
Important: Warmer engine or ambient temperature decreases the refrigerant recovery time during the A/C flush procedure.
RENDER: 1.0x
NO RELATED
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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.