May 2014 GM’s Global Engine Oil Specification dexos ® C Q A.
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Transcript of May 2014 GM’s Global Engine Oil Specification dexos ® C Q A.
![Page 1: May 2014 GM’s Global Engine Oil Specification dexos ® C Q A.](https://reader030.fdocuments.in/reader030/viewer/2022033016/56649cc55503460f9498e860/html5/thumbnails/1.jpg)
May 2014
GM’s Global Engine Oil Specification
dexos®
CQA
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Topics…….
• dexos® & Industry - A brief history• Next Generation dexos
• Performance Objectives• Current dexos versus dexos, The Sequel• Next Generation Tests
• Timing
• dexos® licensing program review
• dexos® website
• Summary
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OEM’s Develop 1st
Oil Tests
Model Year Warranty Approved
API SA
API SB
API SC
StraightMineral
Oil
InhibitedOnly
1964
API SD
API SE
ILSAC GF-3
(API SL)
ILSAC GF-5(API SN)
API SF
API SG
ILSAC GF-1
(API SH)ILSAC GF-
2(API SJ)
ILSAC GF-4
(API SM)
1st TrueS-Category
1968 1972 1980 1989 1992 1997 2001 2005 20122011
OEM’s Dissatisfied:
ILSAC Created
Additional Tests Added
First Global GM Engine Oil
Specification
Next Generation
DefinedRetrospectiv
ely
A History of Engine Oil Specifications in U.S.More Stringent Performance Requirements Have Resulted in
Higher Quality Oils
2017
ILSAC GF-(A&6B)(API SP)
2015
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Model Year
ILSAC GF-3
(API SL)
ILSAC GF-5(API SN)
ILSAC GF-1
(API SH)ILSAC GF-
2(API SJ)
ILSAC GF-4
(API SM)
1990 1992 1997 2001 2005 20122011
First Global GM Engine Oil
Specification Next Generation
A Recent History of Engine Oil Specifications in U.S.
2017
ILSAC GF-(A&6B)(API SP)
2015
Engine P
ower
density
dexos
ILSAC
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dexos® review: Goals
• Aligned with Corporate Goals
• Global Common
• Fuel Economy Improvements (initial and retained)
• Engine Oil Robustness Improvements
• Catalyst Friendly
• Hardware Enabling
• Self-sustaining specification
• EOLS Compliant - compliments Oil Life System
• provides for optimized oil drain intervals where EOLS is used
• Customer Focused
• Lower cost of ownership
• Improved Customer Satisfaction
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dexos® review - A brief history
• First use –
• Factory Fill in Europe 2010 Model Year
• Factory Fill Globally 2011 Model Year
• Engine Status – 2007-08
• 4, 5, 6, and 8 cylinder engines
• Most are Port Fuel Injection
• Few Direct Injection and Turbo engines
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dexos™ review – Global ApplicationFacto
ry
Fill
dexos 1 for spark ignited / dexos 2 for diesel enginesdexos 2 for spark ignited and diesel engines
dexos 1for spark ignited engines
dexos 2 for diesel engines
Serv
ice F
ill
Serv
ice F
ill
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dexos® review….• dexos1™ - Specification Highlights
• 11 Engine Tests covering:• High Temperature Oxidation• Sludge• Fuel Economy• Piston Cleanliness• Component Wear• Aeration• Low Temperature Pumpability
• Chemical & Physical Tests:• Viscosity• Catalyst Compatibility• Anti-foam Tendency • Corrosion• Shear Stability• Elastomer Compatibility
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dexos® review….• dexos1™ - Specification Highlights
• Combination of CEC, ASTM, and GM engine tests
• CEC/ACEA Tests:• Peugeot TU5JP-L4• Peugeot TU3M• M-111 (Replaced by the M-271) Sludge• M-111 Fuel Economy (if available)
• ASTM/ILSAC Tests:• Sequence IIIG• Sequence IIIGA• Sequence VG• Sequence VIB/VID• Sequence VIII
• GM Tests:• GMPTE-T DUR020 (OP-1)• GMPTE-T MEC024 (Aeration)• GMPTE-T DUR021 (RNT)
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Performance Comparison
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dexostmreview….• dexos2™ - Specification Highlights
• 15 Engine Tests covering:• High Temperature Oxidation• Sludge• Fuel Economy• Piston Cleanliness• Component Wear• Aeration• Low Temperature Pumpability• Diesel Soot Control
• Chemical & Physical Tests:• Viscosity• Catalyst Compatibility• Anti-foam Tendency • Corrosion• Shear Stability• Elastomer Compatibility
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dexostmreview….• dexos2™ - Specification Highlights
• Combination of CEC, ASTM, and GM engine tests• CEC/ACEA Tests:
• Peugeot TU5JP-L4• Peugeot TU3M• M-111 (Replaced by the M-271) Sludge• M-111 Fuel Economy• DV4TD• OM646LA• VW DI
• ASTM/ILSAC Tests:• Sequence IIIG• Sequence IIIGA• Sequence VG
• GM Tests:• GMPTE-T DUR020 (OP-1)• GMPTE-T MEC024 (Aeration)• GMPTE-T DUR021 (RNT)• GMPTE-T DUR019
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Performance comparison
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Performance Comparison
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Next Generation dexos®
• Objectives
• Fuel Economy
• Turbo Charger deposits
• Aeration
• Stochastic Pre-Ignition
• Wear
• Oxidation
• Deposits
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Next Generation dexos®
• Industry Engine Test Status
• Sequence IIIG status and replacement
• Sequence IVA status and replacement
• Sequence VG status and replacement
• Sequence VID status and replacement
• New Industry Concerns
• Low Speed Pre-Ignition (LSPI)
• Chain Wear
• New SAE J300 viscosity grades
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dexos® Next Gen. Engine Tests• dexos1® - Next Gen Specification Highlights
• Combination of CEC, ASTM, and GM engine tests
• CEC/ACEA Tests:• M-271 Sludge (M271 Evo)• M-111 Fuel Economy (if available)
• ASTM/ILSAC Tests:• Sequence VH• Sequence VID/VIE• Sequence VIII
• GM Tests:• OP-2• Aeration• GMOD • Turbo Charger Deposit Test• Wear Test• Stochastic Pre-Ignition• Vehicle Fuel Economy Test
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dexos® Engine Test review….
• The 2012 LY7 3.6L engine is available to the labs from the central parts distributor.
• Evaluation of a 0W-16 oil supplied by ASTM TMC has begun. Initial results are positive.
• Exhaust valve leakage has been experienced at some labs• due to deposit build-up between the valve and seat.• Testing has shown that the deposit build-up can be eliminated using a
Top-Tier fuel additive package in the fuel.• The fuel supplier is now supplying the “new” the fuel to all labs
• Changes to the test procedure by the ASTM Surveillance Panel has increased the test duration from 155 hours to 200 hours
• Additions to the procedure include tighter specifications around the test stand external oil circuits to reduce Lab to Lab variation.
Sequence VIE Fuel Economy test status
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dexos® Engine Test review….
• LSX V8 based• Twenty-four tests completed • Current testing (ongoing)
• Piston and ring hardware verification progressing favorably• Finalize test stand hardware
• Next steps• Finalize test cycle conditions• Evaluate GMOD reference oil performance
• GMOD LTMS guidelines reviewed by TMC.• Test procedure and test stand setup kit expected to be available Q1 2014• Precision matrix expected to start Q1 2014
GM Oxidation and Deposit test status
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dexos® Engine Test review….
• 2013 5.3L V8 LC9 engine• 20 GM Aeration tests completed at SwRI• Aeration test candidate oils are provided by several additive companies
• 20 oils have been tested• 9 oils are ready to evaluate for viscosity grade and antifoam effects
• Current testing• VGRA (a wide range including low viscosity 0W-16)
• Test stand hardware, test cycle conditions and procedure to be finalized Q1 2014
• Precision matrix expected to start in Q1 2014• 8 tests ( 4 for good oil and 4 for bad oil) per engine
• Next steps• Evaluate GM’s dexos1 and dexos2 oils performance• Establish appropriate aeration targets
GM Aeration test status
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dexos® Engine Test review….
• 1.4L engine• 24 GMTC tests completed at IAR• 5 GMTC Test stands• Flush and run new turbocharger start/stop evaluation• GMTC reference oils under evaluation• Current Testing
• Test duration reduction• Next Steps
• Finalize test cycle set points, durations and acceptance parameters• Test procedure expected to be available early Q1 2014• Precision matrix expected to start Q1 2014
GM Turbocharger Deposit test status
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dexos® Engine Test review….
• 2.0 liter Direct Injected Turbo• Evaluated high and low SPI oils of one technology
• Observed directional differences between oils• Test conditions set and procedure completed• Test precision determination
• Two engines• Several additive technologies• April 2014 completion for testing
• Establish specification limit• June 2014
GM Stochastic Pre-Ignition test status
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dexostm1 Owner’s Manual….2011 Chevrolet Cruze
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dexostm1 Owner’s Manual….2014 Chevrolet Impala
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Next Gen dexostm…….
• Targets -• Regulations – Fuel economy and emissions
• USA – 35.5 mpg by 2016 (250 g/mile CO2)*• USA – 54.5 mpg by 2025 (163 g/mile CO2)*• European – CO2 limits
• 2015 – 130 g/km• 2022 - 95 g/km
• New vehicles utilize a global platform• Evolving technology – Hybrids (HEV’s, PHEV’s), Fuel Cell,
Forced induction, Alternative Fuels• Driving technological innovation
• Increased fuel economy• Reduced emissions• Global use of EOLS
* Source: EPA.gov.
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dexos™ Viscosity Grades
Factory fill: 0W-20, 5W-20, 5W-30,, 0W-30
Service Fill: 0W-20, 5W-20, 5W-30, 0W-30
Factory Fill: 5W-30, 0W-40
Service Fill: 5W-30, 0W-30, 5W-40, 0W-40
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Licensing Program Goals for dexos™
• Ensure the right dexos gets into the vehicle• Emphasize proper viscosity/vehicle for the installer
and end-user• Improve process for approving dexos™ suppliers
and monitoring dexos™ quality• Maintain a long-term sustainable approach to
generate revenue for• Future test development• Future specification development• Current test maintenance and monitoring• Lubricant quality monitoring • End-user and installer education & awareness
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dexos™ Information Center
Website• www.GMdexos.com
Information:• For manufacturers/licensees
• How to license
• For Service Provider• Licensed Manufacturers
• License brands
• For Vehicle Owner
• Other useful information• Engine oil articles
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dexos™ Information Center
Customer Website
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dexos™ Information Center
Licensee Website
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dexos™ Licensing Status
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Licensing Status
All Major Brands in North America are licensed; ExxonMobil
Mobil 1, etc.
BP Castrol
Castrol Edge, etc.
Chevron
Havoline
Ashland
Valvoline
Shell
Pennzoil
Quaker State
Helix
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Final remarks
Next Generation dexos™ is expected to be completed in 2015
The dexos™ licensing program is self-sustaining and provides a means to
• fund on-going development
• conduct targeted oil quality monitoring (bulk & package)
• increase customer & installer awareness
The dexos™ licensing program – continuous improvement
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Transmission Fluid Specifications
All GM 6 Speed transmissions,use DEXRON® VI transmission fluid. Failure to use the proper fluid may result in internal damage to the transmission.