2004 Lexus RX 330 AWDFACTORY OEM SERVICE PROCEDURE

Bench Testing: Brushes

  1. Using a vernier caliper, measure brush length. See STARTER SPECIFICATIONSΒ . If brush length is less than minimum specification, replace brush holder and field frame.
  2. Using ohmmeter, check that there is no continuity between positive and negative brushes. If continuity does exist, repair or replace starter commutator end frame.
Factory Service Tools

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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.