Facts About Generators
GeneratorsDirectoryCompareRepairEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Repair guides›Cummins/Onan›Intake Valve Seal Replacement

Cummins/Onan 3.6MKY / 4MKY — Intake Valve Seal Replacement

Repair & overhaul

For the Cummins/Onan 3.6MKY / 4MKY, from the Cummins/Onan service manual.

Applies to: Cummins/Onan 3.6MKY, Cummins/Onan 4MKY

Procedure

  1. Pull the old valve seal out carefully to avoid damaging the valve guide.
  2. Coat the intake valve stem with engine oil and insert it into the valve guide.
  3. Press the valve seal into the valve guide by hand until the shoulder rests against the cylinder head.

Source: Cummins/Onan 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 Cummins/Onan repair guides →