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 MANUALSCHEVROLET1997ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISSPECIFICATIONSCAPACITY SPECIFICATIONSHEATING AND AIR CONDITIONINGSYSTEM SPECIFICATIONSREFRIGERANT AND OIL
1997 Chevrolet Astro Van 2WD V6-4.3L VIN W
Refrigerant and Oil
1997 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Refrigerant and Oil
Refrigerant-134a
Front A/C System 0.91 kg (2.0 lb)
Front & Rear A/C System 1.359 kg (3.0 lb)
Polyalkaline Glycol (PAG) Refrigerant Oil
Front A/C System 227 ml (8 fl oz)
Front & Rear A/C System 298 ml (11 fl oz)
Compressor (drain and measure)
- If less than 30 ml (1 fl oz) drained: add 60 ml (2 fl oz)
- If more than 30 ml (1 fl oz) drained: add 30 ml (1 fl oz)
Accumulator 105 ml (3.5 fl oz)
Evaporator 90 ml (3 fl oz)
Condenser 30 ml (1 fl oz)
Front A/C System 0.91 kg (2.0 lb)
Front & Rear A/C System 1.359 kg (3.0 lb)
Polyalkaline Glycol (PAG) Refrigerant Oil
Front A/C System 227 ml (8 fl oz)
Front & Rear A/C System 298 ml (11 fl oz)
Compressor (drain and measure)
- If less than 30 ml (1 fl oz) drained: add 60 ml (2 fl oz)
- If more than 30 ml (1 fl oz) drained: add 30 ml (1 fl oz)
Accumulator 105 ml (3.5 fl oz)
Evaporator 90 ml (3 fl oz)
Condenser 30 ml (1 fl oz)
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.