Browse Standards J3002_202101
Current ISSUED 2021-01-27

Disc and Drum Brake Dynamometer Low-Frequency Noise Test Procedure J3002_202101

This test procedure outlines the necessary test equipment (test fixture, dynamometer, data acquisition system, etc.) and test sequence required to test for low-frequency brake noise (200 Hz to 1.25 kHz) on a brake noise dynamometer. It is intended to complement SAE J2521, which focuses on high-frequency brake squeal. This RP applies to passenger cars and light trucks with a gross vehicle weight rating below 4536 kg. Before using this RP for heavier vehicles, consult and agree with the test requestor and the testing facility.
J3002_202101
2021-01-27
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