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Home›Repair guides›Mitsubishi›Installation of Oil Seals

Mitsubishi S4S-D — Installation of Oil Seals

Installation · General parts

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

Applies to: Mitsubishi S4S-D, Mitsubishi S4S engine

Before you start

  • Striking the oil seal directly with a hammer causes seal damage and oil leaks.

Procedure

  1. Check the seal lip for scratches and damage; position the lip correctly.
  2. Apply a small amount of grease to the periphery (housing contact surface).
  3. Use an oil seal driver to install straight into the housing.
  4. Apply grease to the oil seal lip for shaft installation.
  5. Use an oil seal guide over stepped portions, splines, threads or key grooves.

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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