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 MANUALSVOLKSWAGEN1999CABRIO (1V7) L4-2.0L (ABA)REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSERVICE AND REPAIRA/C REFRIGERANT SYSTEMDISCHARGING SYSTEM
1999 Volkswagen Cabrio (1V7) L4-2.0L (ABA)
Discharging System
1999 Volkswagen Cabrio (1V7) L4-2.0L (ABA)SECTION Discharging System
WARNING:
- Always use an Underwriter's Laboratory (UL) approved refrigerant recovery/recycling/recharging unit such as Kent-Moore (ACR)4, or equivalent, whenever discharging an R-134a A/C system.
- 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.
- State and local governments may have additional requirements regarding air conditioning servicing. Always comply with state and local laws.
- Always wear safety goggles when charging or discharging system.
CAUTION:
- 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.
- 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.
- 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: Refer to Safety Precautions prior to discharging or charging A/C refrigerant system. [1][2]Service Precautions
NOTE: Make sure that initial set-up of the refrigerant recovery/recycling/recharging unit has been completed before discharging the A/C system.
- Connect red high-pressure hose -A- of refrigerant recovery/ recycling/recharging unit to high side fitting on vehicle and open coupler valve.
- Connect blue low-pressure hose -B- of refrigerant recovery/ recycling/recharging unit to low side fitting on vehicle and open coupler valve.
CAUTION: Always follow manufacturer's instructions when using a refrigerant recovery/recycling/recharging unit.
- Following refrigerant recovery/recycling/recharging unit manufacturer's instructions, discharge A/C system into refrigerant recovery/recycling/recharging unit.
- Disconnect power supply from A/C clutch to prevent accidental compressor operation with A/C system discharged
- Always use an Underwriter's Laboratory (UL) approved refrigerant recovery/recycling/recharging unit such as Kent-Moore (ACR)4, or equivalent, whenever discharging an R-134a A/C system.
- 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.
- State and local governments may have additional requirements regarding air conditioning servicing. Always comply with state and local laws.
- Always wear safety goggles when charging or discharging system.
CAUTION:
- 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.
- 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.
- 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: Refer to Safety Precautions prior to discharging or charging A/C refrigerant system. [1][2]Service Precautions
NOTE: Make sure that initial set-up of the refrigerant recovery/recycling/recharging unit has been completed before discharging the A/C system.
- Connect red high-pressure hose -A- of refrigerant recovery/ recycling/recharging unit to high side fitting on vehicle and open coupler valve.
- Connect blue low-pressure hose -B- of refrigerant recovery/ recycling/recharging unit to low side fitting on vehicle and open coupler valve.
CAUTION: Always follow manufacturer's instructions when using a refrigerant recovery/recycling/recharging unit.
- Following refrigerant recovery/recycling/recharging unit manufacturer's instructions, discharge A/C system into refrigerant recovery/recycling/recharging unit.
- Disconnect power supply from A/C clutch to prevent accidental compressor operation with A/C system discharged
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.