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 MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1375 (HEATING, VENTILATION AND AIR CONDITIONING)SPECIFICATIONSREFRIGERANT SYSTEM CAPACITIES
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Refrigerant System Capacities
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Refrigerant System Capacities
WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Refrigerant System Capacities
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Refrigerant-134a System Capacity | 670 g | 23.6 oz |
| Use PAG Oil Rl897 Low Viscosity, GM P/N 12378526 (Canadian P/N 88900060) | ||
| Refrigerant Oil Capacity - Polyalkaline Glycol (PAG) | 240 ml | 8.0 fl oz |
| Compressor Replacement - The Delphi CVC6 replacement compressor is used in this model year vehicle | 75 ml1 | 2.5 oz1 |
| Refrigerant Oil Capacity - Polyalkaline Glycol (PAG) - Add When Replacing Condenser | 60 ml | 2.0 fl oz |
| Refrigerant Oil Capacity - Polyalkaline Glycol (PAG) - Add When Replacing Receiver Dryer | 60 ml | 2.0 fl oz |
| Refrigerant Oil Capacity - Polyalkaline Glycol (PAG) - Add When Replacing Evaporator | 60 ml | 2.0 fl oz |
| Refrigerant Oil Capacity - Polyalkaline Glycol (PAG) - Add When Replacing A Hose | 30 ml | 1.0 fl oz |
| If more than the specified amount of PAG oil was drained from a component, add the equal amount of oil drained. | ||
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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.