Bench Testing: Brushes

1998 Acura 3.5RL Special EditionSECTION Brushes
  1. Remove the end cover. Take out the brush holder by removing its two screws.
  2. Measure the length of the brushes with a vernier caliper. If the brushes are less than the service limit, replace the alternator brush assembly. See GENERATOR SPECIFICATIONSΒ . See Fig 1.
Fig 1: Identifying Alternator Brushes
G00298040Courtesy of AMERICAN HONDA MOTOR CO., INC.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
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  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.