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ASTM D6593-10

Historical Revision

Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions

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1.1 This test method covers and is commonly referred to as the Sequence VG test, and it has been correlated with vehicles used in stop-and-go service prior to 1996, particularly with regard to sludge and varnish formation. It is one of the test methods required to evaluate oils intended to satisfy the API SL performance category.

1.2 The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard.

1.2.1 ExceptionWhere there is no direct SI equivalent such as screw threads, national pipe threads/diameters, tubing size, or specified single source equipment.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in 7.7, 7.10.2.2, 8.3.4.2, 8.4.4.3, 9.2.6, 9.3.4.5, 12.1.1.7, 12.2.1.4, and Annex A1.

1.4 A Table of Contents follows:


This test method is used to evaluate an automotive engine oil's control of engine deposits under operating conditions deliberately selected to accelerate deposit formation. This test method was correlated with field service data, determined from side-by-side comparisons of two or more oils in police, taxi fleets, and delivery van services. The same field service oils were then used in developing the operating conditions of this test procedure.

This test method, along with other test methods, defines the minimum performance level of the API Category SL (detailed information about this category is included in Specification D4485). This test method is also incorporated in automobile manufacturers' factory-fill specifications.

The basic engine used in this test method is representative of many that are in modern automobiles. This factor, along with the accelerated operating conditions, should be considered when interpreting test results.

SDO ASTM: ASTM International
Document Number D6593
Publication Date May 1, 2010
Language en - English
Page Count 72
Revision Level 10
Supercedes
Committee D02.B0.01
Publish Date Document Id Type View
Oct. 1, 2018 D6593-18E01 Revision
Oct. 1, 2018 D6593-18 Revision
May 1, 2017 D6593-17 Revision
Oct. 1, 2016 D6593-16A Revision
April 1, 2016 D6593-16 Revision
Oct. 1, 2015 D6593-15A Revision
April 1, 2015 D6593-15 Revision
Oct. 1, 2014 D6593-14A Revision
May 1, 2014 D6593-14 Revision
Oct. 1, 2013 D6593-13B Revision
June 15, 2013 D6593-13A Revision
May 1, 2013 D6593-13 Revision
May 1, 2010 D6593-10 Revision
Oct. 1, 2009 D6593-09A Revision
April 15, 2009 D6593-09 Revision
Oct. 15, 2008 D6593-08 Revision
Nov. 1, 2007 D6593-07A Revision
May 1, 2007 D6593-07 Revision
Nov. 1, 2006 D6593-06A Revision
May 1, 2006 D6593-06 Revision
Nov. 1, 2005 D6593-05A Revision
May 1, 2005 D6593-05 Revision
Nov. 1, 2004 D6593-04A Revision
May 1, 2004 D6593-04 Revision
Nov. 1, 2003 D6593-03A Revision
May 10, 2003 D6593-03 Revision
Nov. 10, 2002 D6593-02A Revision
June 10, 2002 D6593-02 Revision
Nov. 10, 2001 D6593-01 Revision
Nov. 10, 2001 D6593-00 Revision