ASTM D2758 - 94(2009)

    Standard Test Method for Engine Coolants by Engine Dynamometer

    Active Standard ASTM D2758 | Developed by Subcommittee: D15.10

    Book of Standards Volume: 15.05


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    ASTM D2758

    Significance and Use

    This test method provides a laboratory technique capable of reproducing the complex environmental stresses a coolant encounters under actual engine operating conditions. The test method provides improved discrimination over glassware and simulated service tests and improved correlation with field service. Although the test method is particularly valuable for developing coolants for increased service requirements, it remains that field testing is necessary to evaluate coolant performance completely.

    1. Scope

    1.1 This test method covers a full-scale clean engine test designed to evaluate corrosion protection and inhibitor stability of engine coolants under simulated heavy-duty driving conditions.

    1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

    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 hazards statements are given in Section 6.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D1121 Test Method for Reserve Alkalinity of Engine Coolants and Antirusts

    D1287 Test Method for pH of Engine Coolants and Antirusts

    D1384 Test Method for Corrosion Test for Engine Coolants in Glassware

    G1 Practice for Preparing, Cleaning, and Evaluating Corrosion Test Specimens

    Federal Standard

    CFRTitle29OSHA Regulations


    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/D2758-94R09

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