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Home›Repair guides›Mitsubishi›Disassembly of Starter

Mitsubishi S4S-D — Disassembly of Starter

Repair & overhaul

For the Mitsubishi S4S-D, from the Mitsubishi service manual.

Applies to: Mitsubishi S4S-D, Mitsubishi S4S engine

Before you start

  • The stopper ring should not be reused on reassembly.
  • The ball bearing press-fit into the front bracket cannot be replaced; replace entire front bracket if faulty.

Procedure

  1. Remove magnet switch: loosen terminal M nut, disconnect connector, remove two mounting bolts.
  2. Remove rear bracket: loosen two through bolts and two brush holder mounting bolts.
  3. Remove brush holder: lift two brushes, remove yoke and brush holder assembly, pull out armature.
  4. Remove cover and take out snap ring and washer.
  5. Remove center bracket and washer for adjusting pinion shaft end play.
  6. Remove pinion using a tube and hammer, then pliers to remove stopper ring.
  7. Pull out spring, lever, reduction gear and pinion shaft from front bracket.
  8. Remove ball bearings at both ends of the armature.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Source: Mitsubishi service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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