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Kohler — Filling the Cooling System

Maintenance

From a Kohler operator's manual covering: 10/13/15ERG, 10ERG, 13ERG, 15ERG, TP-6334. Check it applies to your exact model before use.

Applies to: Kohler 10ERG, Kohler 13ERG, Kohler 15ERG

Before you start

  • Do not add coolant to a hot engine; it can crack the cylinder block or cylinder head.
  • A coolant solution of 50% ethylene glycol provides freezing protection to -37 C (-34 F) and overheating protection to 129 C (265 F). Do not use alcohol or methanol antifreeze.

Procedure

  1. Close the radiator's coolant drain valve and tighten the hose clamps.
  2. Fill the radiator with the recommended coolant mixture of 50% ethylene glycol and 50% clean, softened water.
  3. Replace the radiator's pressure cap.
  4. Operate the engine until the thermostat opens and the radiator upper hose becomes hot.
  5. Stop the engine and allow it to cool.
  6. Remove the radiator's pressure cap.
  7. Add coolant to the radiator to just below the overflow tube on the filler neck.
  8. Replace the radiator's pressure cap.
  9. Maintain the coolant level in the coolant overflow bottle between the High and Low markings.

Specs & values

  • Coolant capacity 7.6 L (8.0 Qts.)

Full service-parts list: Kohler 10ERG →, Kohler 13ERG →, Kohler 15ERG →

Source: Kohler operator's 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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