Rotor Slip Ring

1998 Acura 3.5RL Special EditionSECTION Rotor Slip Ring
  1. Check the resistance between the slip rings. There should be 2.9 ohms. If resistance meets the specification, go to next step. If resistance does not meet the specification, replace the alternator.
  2. Check that there is no continuity between the slip rings and the rotor or rotor shaft. See Fig 1.
  3. If the rotor fails either continuity check, replace the alternator.
Fig 1: Identifying Rotor Components
G96J06030Courtesy 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.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.