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Home›Repair guides›Kohler›Oil Cooler cleaning

Kohler — Oil Cooler cleaning

Maintenance

From a Kohler service manual covering: CH18, CH20, CH22, CH23, CH25, CH620, CH630, CH640, CH670, CH680, CH730, CH740…. Check it applies to your exact model before use.

Applies to: Kohler CH18, Kohler CH740

Procedure

  1. Blower Housing Mounted Oil Cooler: Clean fins with a brush or compressed air.
  2. Remove screws securing oil cooler and tilt to clean back side.
  3. Reinstall oil cooler.
  4. Crankcase Mounted Oil Cooler: Clean fins with a brush or compressed air.

Tools required

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

Full service-parts list: Kohler CH740 →

Source: Kohler 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.

More Kohler repair guides →