Browse Standards J2521_200105
Historical ISSUED 2001-05-14

Disc and Drum Brake Dynamometer Squeal Noise Matrix J2521_200105

This procedure is applicable to high frequency squeal type noise occurrences for passenger car and light truck type vehicles that are used under conventional operating conditions. The procedure does not encompass the consequences associated with changes in environment related to temperature and humidity variations.

This recommended test practice is intended to establish a common universally recognized method for performing a series of screening test sequences that identify the propensity of a brake assembly to generate squeal noise under a variety of test conditions.

J2521_201304
2013-04-11
Latest
Revised
J2521_200601
2006-01-05
Historical
Revised
J2521_200306
2003-06-03
Historical
Revised
J2521_200105
2001-05-14
Historical
Issued

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