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    ASTM

    ASTM D7589 : 12

    Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VID Spark Ignition Engine

    Standard Details

    1.1 This test method covers an engine test procedure for the measurement of the effects of automotive engine oils on the fuel economy of passenger cars and light-duty trucks with gross vehicle weight 3856 kg or less. The tests are conducted using a specified spark-ignition engine with a displacement of 3.6 L (General Motors) on a dynamometer test stand. It applies to multi viscosity grade oils used in these applications.

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

    1.2.1 Exceptions—Where there is no direct equivalent such as the units for screw threads, National Pipe threads/diameters, tubing size, and single source supply equipment specifications. Additionally, Brake Fuel Consumption (BSFC) is measured in kilograms per kilowatthour.

    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.

    1.4 This test method is arranged as follows:

    SubjectSection
    Introduction
    Scope1
    Referenced Documents2
    Terminology3
    Summary of Test Method4
    Significance and Use5
    Apparatus6
    General6.1
    Test Engine Configuration6.2
    Laboratory Ambient Conditions6.3
    Engine Speed and Torque Control6.4
    Dynamometer6.4.1
    Dynamometer Torque6.4.2
    Engine Cooling System6.5
    External Oil System6.6
    Fuel System6.7
    Fuel Flow Measurement6.7.2
    Fuel Temperature and Pressure Control to the Fuel
    Flowmeter    		6.7.3
    Fuel Temperature and Pressure Control to Engine Fuel Rail6.7.4
    Fuel Supply Pumps6.7.5
    Fuel Filtering6.7.6
    Engine Intake Air Supply6.8
    Intake Air Humidity6.8.1
    Intake Air Filtration6.8.2
    Intake Air Pressure Relief6.8.3
    Temperature Measurement6.9
    Thermocouple Location6.9.5
    AFR Determination6.10
    Exhaust and Exhaust Back Pressure Systems6.11
    Exhaust Manifolds6.11.1
    Laboratory Exhaust System6.11.2
    Exhaust Back Pressure6.11.3
    Pressure Measurement and Pressure Sensor Locations6.12
    Engine Oil6.12.2
    Fuel to Fuel Flowmeter6.12.3
    Fuel to Engine Fuel Rail6.12.4
    Exhaust Back Pressure6.12.5
    Intake Air6.12.6
    Intake Manifold Vacuum/Absolute Pressure6.12.7
    Coolant Flow Differential Pressure6.12.8
    Crankcase Pressure6.12.9
    Engine Hardware and Related Apparatus6.13
    Test Engine Configuration6.13.1
    ECU (Power Control Module)6.13.2
    Thermostat Block-Off Adapter Plate6.13.3
    Wiring Harness6.13.4
    Oil Pan6.13.5
    Engine Water Pump Adapter Plate6.13.6
    Thermostat Block-Off Plate6.13.7
    Oil Filter Adapter Plate6.13.8
    Modified Throttle Body Assembly6.13.9
    Fuel Rail6.13.10
    Miscellaneous Apparatus Related to Engine Operation6.14
    Reagents and Materials7
    Engine Oil7.1
    Test Fuel7.2
    Engine Coolant7.3
    Cleaning Materials7.4
    Preparation of Apparatus8
    Test Stand Preparation8.2
    Engine Preparation9
    Cleaning of Engine Parts9.3
    Engine Assembly Procedure9.4
    General Assembly Instructions9.4.1
    Bolt Torque Specifications9.4.2
    Sealing Compounds9.4.3
    Harmonic Balancer9.4.5
    Thermostat9.4.6
    Coolant Inlet9.4.7
    Oil Filter Adapter9.4.8
    Dipstick Tube9.4.9
    Sensors, Switches, Valves, and Positioner’s9.4.10
    Ignition System9.4.11
    Fuel Injection System9.4.12
    Intake Air System9.4.13
    Engine Management System9.4.14
    Accessory Drive Units9.4.15
    Exhaust Manifolds9.4.16
    Engine Flywheel and Guards9.4.17
    Lifting of Assembled Engines9.4.18
    Engine Mounts9.4.19
    Non-Phased Camshaft Gears9.4.20
    Internal Coolant Orifice9.4.21
    Calibration10
    Stand/Engine Calibration10.1
    Procedure10.1.1
    Reporting of Reference Results10.1.2
    Analysis of Reference/Calibration Oils10.1.3
    Instrument Calibration10.2
    Engine Torque Measurement System10.2.3
    Fuel Flow Measurement System10.2.4
    Coolant Flow Measurement System10.2.5
    Thermocouple and Temperature Measurement System10.2.6
    Humidity Measurement System10.2.7
    Other Instrumentation10.2.8
    Test Procedure11
    External Oil System11.1
    Flush Effectiveness Demonstration11.2
    Preparation for Oil Charge11.3
    Initial Engine Start-Up11.4
    New Engine Break-In11.5
    Oil Charge for Break-In11.5.2
    Break-In Operating Conditions11.5.3
    Standard Requirements for Break-In11.5.4
    Routine Test Operation11.6
    Start-Up and Shutdown Procedures11.6.1
    Flying Flush Oil Exchange Procedures11.6.2
    Test Operating Stages11.6.3
    Stabilization to Stage Conditions11.6.4
    Stabilized BSFC Measurement Cycle11.6.5
    BLB1 Oil Flush Procedure for BL Oil Before Test Run 111.6.6
    BSFC Measurement of BLB1 Oil Before Test Oil11.6.7
    BLB2 Oil Flush Procedure for BL Oil Before Test Oil Run 211.6.8
    BSFC Measurement of BLB2 Oil Before Test Oil11.6.9
    Percent Delta Calculation for BLB1 vs. BLB211.6.10
    Test Oil Flush Procedure11.6.11
    Test Oil Aging, Phase I11.6.12
    BSFC Measurement of Aged (Phase I) Test Oil11.6.13
    Test Oil Aging, Phase II11.6.14
    BSFC Measurement of Aged (Phase II) Test Oil11.6.15
    Oil Consumption and Sampling11.6.16
    Flush Procedure for BL Oil (BLA) After Test Oil11.6.17
    General Test Data Logging Forms11.6.18
    Diagnostic Review Procedures11.6.19
    Determination of Test Results12
    Final Test Report13
    Precision and Bias15
    Keywords16
    Annexes
    The Role of the ASTM Test Monitoring Center and the
    Calibration Program    		Annex A1
    Detailed Specifications and Drawings of ApparatusAnnex A2
    Oil Heater Cerrobase Refill ProcedureAnnex A3
    Engine Part Number ListingAnnex A4
    Safety PrecautionsAnnex A5
    Report FormatAnnex A6
    Statistical Equations for Mean and Standard DeviationsAnnex A7
    Oil Sump Full Level Determination Consumption
    Measurement Calibration Procedure    		Annex A8
    Fuel Injector EvaluationAnnex A9
    Pre-test Maintenance ChecklistAnnex A10
    Blow-by Ventilation System RequirementsAnnex A11
    Calculation of Test ResultsAnnex A12
    Calculation of Unweighted Baseline ShiftAnnex A13
    Non–Phased Cam Gear and Position Actuator Installation ProcedureAnnex A14
    Appendix
    Procurement of Test MaterialsAppendix X1

    General Information

    Status : Historical
    Standard Type: Main
    Document No: ASTM D7589 : 12
    Document Year: 2012
    Pages: 62
    • Section Volume:
    • 05.04 Volume 05.04 Petroleum Products, Liquid Fuels, and Lubricants (IV): D6973-D7755
    • ICS:
    • 43.060.01 Internal combustion engines for road vehicles in general
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