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Audi S6 V8-4.2L (BBD) (2004)03 · Maintenance
03 · Maintenance

Refrigerant Oil: Specifications (page 2 of 2)

Make
Audi
Model
S6
Engine
V8-4.2L (BBD)
Year
2004
Section
Fluids › Refrigerant Oil
MaintenanceSpecifications · page 2 of 2
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Refrigerant Oil: Description and Operation

A special Polyalkylene Glycol (PAG) synthetic oil is used in R-134a systems. This oil is NOT compatible with mineral based oils used in R-12 systems.
See safety measures for Warnings and Cautions regarding proper oil usage. 

CAUTION!

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Refrigerant oils used for the R-134a system and R-12 system are NOT compatible. Use only the specified synthetic oil for the R-134a 
refrigerant system. DO NOT use R-12 system oil in an R-134a system or R-134a system oil in an R-12 system. If the refrigerant oils are
mixed, system contamination will occur and compressor failure may result.

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R-134a refrigerant system oil (PAG oil) absorbs moisture very rapidly. Moisture combines with the refrigerant to form acids which will
damage the system. Use only the specified oil from a sealed container and ALWAYS re-seal oil container immediately after use. DO NOT
use oil if it has become contaminated with moisture or if container has been left open.

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Do not allow refrigerant oil to come in contact with engine oil, transmission fluid or painted vehicle surfaces (for example when
disposing). Dispose of used PAG refrigerant oil separately following laws governing hazardous waste disposal
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Parts & tools for this job For 2004 Audi S6 4.2L

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