Trooper LS 4WD V6-3.5L (2002)
Refrigerant Oil: Service Precautions
Oil Specification
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The HFC-134a system requires a synthetic (PAG) compressor oil whereas the R-12 system requires a mineral compressor oil. The two oils must
never be mixed.
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Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of compressor.
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Always use HFC-134a Vane Rotary Type Compressor Oil (AIPDN Part No. 2-90188-301-0)
Handling of Oil
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The oil should be free from moisture, dust, metal powder, etc.
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Do not mix with other oil.
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The water content in the oil increases when exposed to the air. After use, seal oil from air immediately. (HFC-134a Vane Rotary Compressor Oil
absorbs moisture very easily.)
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The compressor oil must be stored in steel containers, not in plastic containers.