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 MANUALSSUBARU1998LEGACY BRIGHTON WAGON AWD F4-2.2L SOHCREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGREFRIGERANT OILSERVICE PRECAUTIONS
1998 Subaru Legacy Brighton Wagon AWD F4-2.2L SOHC
Refrigerant Oil: Service Precautions
1998 Subaru Legacy Brighton Wagon AWD F4-2.2L SOHCSECTION Service Precautions
COMPRESSOR OIL
Do not use any compressor oil that is not specifically designated for the HFC-134a air conditioning system; only use ZXL100PG or ZXL200PG. Also, do not use HFC-134a compressor oil in the CFC-12 air conditioning system. If compression oils are mixed, poor lubrication will result and the compressor itself may be damaged.
Because HFC-134a compressor oil is very hygroscopic (easily absorbs moisture), when parts of the air conditioning system are being removed, quickly install a blind plug to prevent contact with the outside air. Also, always make sure that the service container for compressor oil is tightly closed except when in use. Store compressor oil in a tightly closed steel container.
Do not use any compressor oil that is not specifically designated for the HFC-134a air conditioning system; only use ZXL100PG or ZXL200PG. Also, do not use HFC-134a compressor oil in the CFC-12 air conditioning system. If compression oils are mixed, poor lubrication will result and the compressor itself may be damaged.
Because HFC-134a compressor oil is very hygroscopic (easily absorbs moisture), when parts of the air conditioning system are being removed, quickly install a blind plug to prevent contact with the outside air. Also, always make sure that the service container for compressor oil is tightly closed except when in use. Store compressor oil in a tightly closed steel container.
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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.