Note: Nothing in this standard supercedes applicable laws and regulations.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Purpose/Material Description.

This specification defines the minimum acceptable requirements for synthetic Polyalkylene Glycol (PAG) lubricants for use in GM mobile air conditioning systems designed for Hydrofluoro-olefin (HFO) 1234yf refrigerant. PAG oil is a fully synthetic oil based on polyalkylene glycol.

Symbols.

Not applicable.

Applicability.

This specification applies only to PAG lubricants approved for use in service.

Remarks.

None.