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This report, published as part of the SAE Cooperative Research Program, provides in-depth information on the properties of lubricants that are candidates for mobile air conditioning retrofits with HFC-134a. Numerous charts, graphs and tables are included. Property information reported includes hygroscopicity, miscibility, stability, lubricity, desiccant compatibility and polymer compatibility. A thorough reference for all working with HFC-134a! Addendum to HFC-134a Lubricant Study is also included.

Intended to assist in developing technology to recycle HFC-134a, this report evaluates the chemical compatibility of mixtures of various lubricants chosen by major compressor manufacturers for use with HFC-134a in mobile air conditioning systems. Resulting from a Cooperative Research Project, HFC-134a Lubricant Compatibility shows blind test results for 12 lubricants. Issued August 1991.

This specification defines the dimensional and performance requirements for aftermarket spin-on oil filters intended for use on gasoline engines. Filters meeting this specification may also be suitable for use on some diesel applications. Filters meeting these dimensional limits are intended to meet the oil filter fit and package requirements for engine and vehicle designs. Filters meeting the performance requirements are intended to maintain sufficient durability to support typical 10000 mile oil change intervals. Some OEM engines may require special filters for which this specification would not support. Filters that meet or exceed this specification requirements for both dimensional and performance can claim “Conformance to SAE/USCAR - 36 Specifications.” Filters that meet just the performance specifications (ie. may have different thread) can claim “Aligns to SAE/USCAR - 36 Performance Specifications.”

SAE/USCAR-46 defines test methods and outputs for engine oil pump bench testing. Performance and durability testing are the primary focus of this standard. This is written to specifically address testing of electronically controlled variable displacement pumps but can be adapted to mechanically controlled pumps and other pump technologies as needed. This standard outlines critical inputs and outputs in order to perform the testing and report results, but does not specifically set the acceptance standards or pass/fail criteria. Acceptance criteria must be set by the customer.