Second generation (2007-2026)

Alternator Brush Inspection

2steps
~12min
1/5difficulty
Done 0 of 2
  1. Measure the length of both brushes (A) with a vernier caliper:

    • If either brush is shorter than the service limit, replace the brushes, go to step 20.

    • If brush length is OK, go to step 21.

    Alternator Brush Length

    Standard (New):

    23 mm (0.91 in)

    Service Limit:

    18 mm (0.71 in)

  2. Unsolder the brush leads from the voltage regulator/brush holder assembly with a 100 W soldering iron (A), then replace the brushes.

Test yourself

A quick Honda Fit quiz: every answer comes with an explanation and a link to the manual page.