A4 Quattro Wagon V6-3.0L (AVK) (2002)
Refrigerant: Service and Repair
A/C Refrigerant System (R-134A), Discharging
A/C Refrigerant System (R-134a), Discharging
WARNING:
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Always use an Underwriter's Laboratory (UL) approved refrigerant recovery/recycling/recharging unit such as Kent-Moore ACR4, or
equivalent, whenever discharging an R-134a A/C system.
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Any person who services a motor vehicle air conditioner MUST, by law, be properly trained and certified and use approved refrigerant
recycling equipment. Technicians must complete an EPA approved recycling course to be certified.
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State and local governments may have additional requirements regarding air conditioning servicing. Always comply with state and local
laws.
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Always wear safety goggles when discharging, evacuating or recharging an A/C system.
CAUTION:
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Always use separate refrigerant recovery/recycling/recharging servicing equipment for R-12 and R-134a systems. DO NOT use one piece
of equipment for both R-12 and R-134a systems. The residual traces of refrigerant inside the equipment will contaminate and damage the
equipment. Servicing equipment includes recovery/recycling/recharging unit, charging station, vacuum pump, manifold gauges, etc.
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DO NOT use R-12 servicing equipment on R-134a systems or R-134a equipment on R-12 systems or damage to both the vehicle A/C
system and servicing equipment may result. Use only equipment designed to meet Society of Automotive Engineers (SAE) standards.
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R-134a and R-12 systems use different size service fittings. NEVER use adaptors to convert an R-12 fitting to R-134a size or R-134a
fitting to R-12 size.
NOTE: Follow all safety measures when discharging the A/C refrigerant system.
Discharging
Make sure initial set-up has been performed on recovery/recycling/recharging unit before discharging A/C system.
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Connect red high pressure hose -A- of refrigerant recovery/recycling/recharging unit to high pressure service valve (fitting) on vehicle and open
coupler valve.
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Leave blue low pressure hose -B-of refrigerant recovery/recycling/recharging unit disconnected.
NOTE: Only the high pressure service valve is used for A/C system servicing. Perform all A/C system service operations (i.e. discharging, evacuating
and charging) through the high pressure service valve only.
CAUTION: Always follow manufacturer's instructions when using a refrigerant/recovery/recycling/recharging unit.
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Following refrigerant recovery/recycling/recharging unit manufacturer's instructions, discharge A/C system into refrigerant
recovery/recycling/recharging unit.