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Kohler 48RCLB / 60RCLA — Filling Cooling System

Maintenance

For the Kohler 48RCLB / 60RCLA, from the Kohler service manual.

Applies to: Kohler 48RCLB, Kohler 60RCLA, Kohler KG6208 engine

Before you start

  • Do not add coolant to a hot engine. Adding coolant to a hot engine can cause the cylinder block or cylinder head to crack.

Procedure

  1. Close the radiator's coolant drain valve and tighten the hose clamps.
  2. Fill the radiator with 50% ethylene glycol and 50% clean, softened water.
  3. Operate the engine with the radiator cap removed until the thermostat opens and the upper hose is hot.
  4. Stop the engine and allow it to cool.
  5. Add coolant to just below the overflow tube on the filler neck.
  6. Replace the radiator's pressure cap.
  7. Maintain the coolant level in the overflow bottle between High and Low.
  8. Re-energize the block heater, if equipped.

Specs & values

  • Coolant capacity: 21.3 L (5.6 gal.); with block heater: 21.9 L (5.8 gal.)

Full service-parts list: Kohler 48RCLB →, Kohler 60RCLA →

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.

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