GMW GMW16445-2013 DEXRON LS Gear Oil 75W - 90 Issue 3 English.pdf

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1、 WORLDWIDE ENGINEERING STANDARDS Material Specification GMW16445 DEXRON LS Gear Oil 75W - 90 Copyright 2013 General Motors Company All Rights Reserved December 2013 Page 1 of 12 1 Scope 1.1 Material Description. This specification covers DEXRON Limited Slip (LS) Gear Oil primarily for use in axles i

2、n cars and trucks with plate type LS differentials. This specification describes, in terms of laboratory and simulated service test results, the requirements for a minimum-performance fluid. 1.2 Symbols. Not applicable. 1.3 Typical Applications. For use in GM limited slip differentials. 1.4 Remarks.

3、 1.4.1 This specification may involve hazardous materials, operations, and equipment. This specification does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this specification to establish appropriate safety and health practices and

4、 to determine the applicability of regulatory limitations prior to use. 1.4.2 This specification uses International System of Units (SI) units as standard per ASTM SI 10, except for certain components, which are commercially available only in American conventional units. 1.4.3 This specification use

5、s the Rounding-off Method per ASTM E29 for significant figures to determine conformance to specification requirements. 1.4.4 Unless otherwise noted, part numbers of this specification refer to those of General Motors Powertrain. 2 References Note: Only the latest approved standards are applicable un

6、less otherwise specified. 2.1 External Standards/Specifications. ASTM D92 ASTM D1418 ASTM D5185 ASTM E29 ASTM D97 ASTM D1552 ASTM D5704 ASTM SI 10 ASTM D130 ASTM D2240 ASTM D5800 CEC L-45-99 ASTM D412 ASTM D2270 ASTM D6121 CEC L-48-A-00 ASTM D445 ASTM D2983 ASTM D6304 CEC L-84-02 ASTM D471 ASTM D405

7、2 ASTM D6594 FED-STD-791 ASTM D664 ASTM D4289 ASTM D6922 ISO 37 ASTM D892 ASTM D4629 ASTM D7038 SAE J306 ASTM D1193 ASTM D4739 ASTM D7450 SAE J2643 2.2 GM Standards/Specifications. 9986290 GMW3059 2.3 Additional References. All GM DEXRON testing forms including Form A are available from the Team Lea

8、der for Service Parts Engineering and DEXRON Licensing, or the GM Automatic Transmission Fluid (ATF) and Gear Oil Committee Chairman via GM Supply Power. Folders/ENGINEERING/Powertrain Product Engineering/Transmission. ( Analytical Balance, Sartorius, Model Number 2402 EHDPROC11 (test procedure run

9、at Imperial College, London, England) Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16445 Copyright 2013 General Motors Company All Rig

10、hts Reserved December 2013 Page 2 of 12 FVA-2/IV (Pitting Test procedure) GM Aerated Seal Test (see Appendix B) Metered Fuel Economy Federal Fuel Economy (FFE) (Highway) Metered Fuel Economy Federal Test Procedure (FTP) (City) TMC003 Material Safety Data Sheet guidance documents (available at ) VW P

11、V 1454 (Volkswagen test procedure) 3 Requirements 3.1 Test Requirements. Form A (refer to 2.3) is required for testing to be started on gear lubricants pursuing DEXRON LS Gear Oil approval. 3.2 Mechanical Requirements. Test procedures shall be conducted as specified with no deviation unless express

12、written authorization is obtained from the General Motors Automatic Transmission Fluid and Gear Oil Committee. Test parts are to be used as received. Replacement or modification of any part shall be made only if directed in this specification or to replace damaged parts. The laboratory must target t

13、o the mean of the specified test conditions. 3.3 Physical Requirements. Fluids qualified under this specification shall conform SAE J306 and to the test methods and requirements as listed in Appendix A, Table A1. 3.4 Approved Additive Chemistries. Fluids meeting this specification shall be manufactu

14、red using additive chemistries listed in Appendix A, Table A2, DEXRON LS Gear Oil Approved Additive Chemistry Combinations. 3.5 Requirements for New Additive Chemistry Combinations. 3.5.1 Successful completion of a complete DEXRON LS Gear Oil Qualification Program (Appendix A, Table A1). 3.5.2 Succe

15、ssful completion of complete DEXRON LS Gear Oil Qualification Programs (Appendix A, Table A1) using the following fluid blends: 3.5.2.1 Seventy-five percent (75%) Candidate, 25% Reference Fluid. 3.5.2.2 Fifty percent (50%) Candidate, 50% Reference Fluid. 3.5.2.3 Twenty-five percent (25%) Candidate,

16、75% Reference Fluid. 3.5.2.4 If applicable, 50% Candidate, 50% any previously approved chemistry other than the Reference Fluid. 3.5.3 Successful completion of tests listed in Table A3. 3.5.4 Successful completion of a 241 000 km (150 000 mi) fleet test using the new candidate chemistry and blends o

17、f fluids from 3.5.2. A proposal for the fleet test shall be submitted to and approved by the GM Automatic Transmission Fluid (ATF) and Gear Oil Committee before commencing the fleet test. 3.5.5 Any additional testing as directed by the GM ATF and Gear Oil Committee. 3.6 Additional Requirements. 3.6.

18、1 The test requirements given in this specification are minimum or maximum acceptance limits for valid tests. No adjustments for test precision are to be applied as test variability was taken into account in the determination of the requirements. 3.6.2 The General Motors ATF and Gear Oil Committee r

19、eserves the right to require any additional tests that may be deemed necessary to ensure satisfactory performance of fluids submitted for qualification as DEXRON LS Gear Oil. 3.6.3 Validation Requirements. Testing necessary for validating the use of this lubricant shall be prescribed by Materials En

20、gineering. Testing will include, but not be limited to, tests included in Section 3 of this specification, vehicle fleet testing, and Proving Ground Durability Tests. 4 Manufacturing Process Not applicable. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot

21、 for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16445 Copyright 2013 General Motors Company All Rights Reserved December 2013 Page 3 of 12 5 Rules and Regulations 5.1 Legal Regulations. All materials must satisfy applicable laws,

22、rules, regulations and recommendations valid in the country of usage. 5.2 Language. In the event of conflict between the English and domestic language, the English language shall take precedence. 5.3 Inspection and Rejection. All shipments of material or parts under contract or purchase order manufa

23、ctured to this specification shall be equivalent in every respect to the initial samples approved by Engineering. There shall be no changes in either formulation or manufacturing processes permitted without prior notification and approval by Engineering. Lack of notification by the supplier constitu

24、tes grounds for rejection of any shipment. While samples may be taken from incoming shipments and checked for conformance to this specification, the supplier shall accept the responsibility for incoming shipments meeting this specification without dependence upon purchasers inspection. The series of

25、 tests used to approve each batch of product along with acceptance limits will be agreed upon by the purchaser and seller. The laboratory providing the certificate of analysis must also participate in a proficiency testing program (round robin) that is approved by the Fuels, Fluids, and Lubricants G

26、lobal Subsystem Leadership Team (GSSLT) or designate. The Fuels, Fluids, and Lubricants GSSLT or designate must receive copies of the proficiency testing reports directly from the test program administrator. 5.4 Initial Source Approval. No shipment shall be made by any supplier until representative

27、initial production samples have been approved by the Fuels, Fluids, and Lubricants Global Subsystem Leadership Team or designees meeting the requirements of this specification. 5.5 Material Safety Data Sheets/Safety Data Sheets (MSDS/SDS). For new product submissions, or when a change in chemical co

28、mposition of an existing product has occurred, a complete copy of the Material Safety Data Sheet/Safety Data Sheet must be submitted in compliance with the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) requirements or other country-specific MSDS/SDS requirements. In ad

29、dition, product MSDS/SDS submissions must be in compliance with specific country General Motors TMC003 Material Safety Data Sheet/Safety Data Sheet guidance documents where available. 5.6 All materials supplied to this standard must comply with the requirements of GMW3059, Restricted and Reportable

30、Substances for Parts. 5.7 Trademark Licensing. 5.7.1 Licenses to use the trademark DEXRON and related “GO“ identification numbers are issued for fluids which have been tested by an independent laboratory and/or by General Motors and subsequently approved by the General Motors Automatic Transmission

31、Fluid and Gear Oil Committee. Note: For information on qualification of service replacement fluids for use in General Motors axles, contact, the Team Leader for Service Parts Engineering and DEXRON Licensing or the GM ATF and Gear Oil Committee Chairman, via GM Supply Power. Folders/ENGINEERING/Powe

32、rtrain Product Engineering/Transmission. ( 6 Approved Sources Materials supplied to this specification must be approved by General Motors. The appropriate GM Materials Engineering department(s) must confirm material as meeting the requirements of this specification. Any test data sheets of material

33、submitted to General Motors for such confirmation (e.g., during Production Part Approval Process (PPAP) under this material specification must list all properties and must apply corresponding test methods of this material specification. 7 Notes 7.1 Glossary. Reference: Something of known performance

34、 characteristics, designated by the GM ATF and Gear Oil Committee. 7.2 Acronyms, Abbreviations, and Symbols. Al Aluminum Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WOR

35、LDWIDE ENGINEERING STANDARDS GMW16445 Copyright 2013 General Motors Company All Rights Reserved December 2013 Page 4 of 12 ARKL Axialrillen-Kugellager ATF Automatic Transmission Fluid B Boron Ca Calcium cP Centipoise cST CentiStoke DKA Deutscher Koordinierungsausschuss im CEC Fe Iron FFE Federal Fue

36、l Economy - Highway Fuel Economy FTP Federal Test Procedure - City Fuel Economy FVA Forschungsvereinigung Antriebstechnik FZG Forschungsstelle fur Zahnrader und Getriebebau GHS Globally Harmonized System of Classification and Labeling of Chemicals GSSLT Global Subsystem Leadership Team IR Infrared K

37、 Potassium KV Kinematic Viscosity KRL Kugel Rollen Lager LS Limited Slip Mg Magnesium Mn Manganese MSDS Material Safety Data Sheet N Nitrogen Na Sodium Ni Nickel NVH Noise, Vibration and Harshness P Phosphorus PPAP Production Part Approval Process ppm parts per million S Sulfur Sb Antimony SDS Safet

38、y Data Sheet Si Silicon SI International System of Units SRE Standard Rubber Elastomer TAN Total Acid Number UHP Ultra-High Purity VI Viscosity Index WIP Wheel (Hop) Inducing Procedure Zn Zinc 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: Material

39、per GMW16445 Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16445 Copyright 2013 General Motors Company All Rights Reserved December 201

40、3 Page 5 of 12 9 Release and Revisions This standard was originated in October 2010. It was first approved by the GM ATF and Gear Oil Committee in August 2011. It was first published in August 2011. Issue Publication Date Description (Organization) 1 AUG 2011 Initial publication. 2 MAR 2012 Updated:

41、 Table A1: Brookfield Viscosity and DKA Oxidation Stability Requirement. (Materials-Fuels, Fluids & Lubricants) 3 DEC 2013 Updated Table A1 and Appendix B. (Fuels, Fluids & Lubricants Global Subsystem Leadership Team) Copyright General Motors Company Provided by IHS under license with General Motors

42、 CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16445 Copyright 2013 General Motors Company All Rights Reserved December 2013 Page 6 of 12 Appendix A Table A1: DEXRON LS Gear Oil Test Methods and Requirements Test Metho

43、d Requirement Appearance Visual Inspection Clear Amber Liquid Elemental Analysis ASTM D5185 Report, ppm (parts per million): Al, B, Ca, Fe, K, Mg, Mn, Na, Ni, P, Sb, Si, Zn ASTM D1552 Report, weight (percent) S ASTM D4629 Report, ppm: N Water Content ASTM D6304 0.10% weight maximum Fluid Profile Pro

44、prietary GM Test Report Miscibility & Homogeneity FED-STD-791 ASTM D6922 3430 -Compatibility 3440 -Storage Solubility No separation or color change at end of test using Reference Fluid PASS PASS Kinematic Viscosity ASTM D445 1. Report, cSt 10 C (50 F) 2. 80 cSt minimum 40 C (104 F) 3. 14.0 cSt minim

45、um 100 C (212 F) 4. Report, cSt 150 C (302 F) Viscosity Index ASTM D2270 165 minimum Density ASTM D4052 (15 C) Report, typical 0.856 g/mL Pour Point ASTM D97 -45 C maximum (-49 F) Fire Point ASTM D92 220 C minimum (428 F) Flash Point ASTM D92 150 C minimum (302 F) Total Base Number ASTM D4739 Report

46、 Total Acid Number ASTM D664 Report Brookfield Viscosity ASTM D2983 1. Report, cP -10 C (14 F) 2. 4500 cP maximum -20 C (-4 F) 3. Report, cP -30 C (-22 F) 4. 75 000 cP maximum -40 C (-40 F) Copper corrosion ASTM D130, 3 h, 121 C Better than 2A DKA Oxidation Stability CEC L-48-A-00 1. 60% KV100 incre

47、ase maximum 160 C for 192 h 2. 70% KV40 increase maximum Method B 3. VI Change, Report 4. TAN, Report 5. Flask sludge rating, report with picture 6. Blotter spot, provide picture 7. IR absorbance, report Shear Stability- KRL CEC L-45-99, 40 h 100 C (212 F) KV100 5/5 rating 2. Ridging 8/8 rating 3. R

48、ippling 8/8 rating 4. Pitting 9.3/9.3 rating 5. Scoring 9/9 rating Stressed L-37 ASTM D6121 1. Wear 5/5 rating (Modified Sequence 2) 2. Ridging 8/8 rating 16 h at 3. Rippling 8/8 rating 163 C 1.7 C 4. Pitting 9.3/9.3 rating 5. Scoring 9/9 rating L-60-1 Oxidation stability ASTM D5704 1. 25% KV100 (maximum) 2. 0.5% Pentane Insoluble (maximum) 3. 0.5% Toluene Insoluble (maximum) 4. Carb