Kohler — Filling Cooling System
Maintenance
From a Kohler service manual covering: LH630, LH685, LH750, LH760. Check it applies to your exact model before use.
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Before you start
- Do not use antifreeze mixture greater than 70% ethylene glycol.
- Do not use stop-leak additives.
Procedure
- Check condition of hoses, clamps, and components; replace as required.
- Mix 50% ethylene glycol with 50% distilled or deionized water.
- Fill cooling system through radiator neck; allow coolant to drain into lower areas.
- Fill overflow reservoir midway between ADD and FULL marks.
- Install radiator and reservoir caps.
- Start engine, run five minutes, then let cool.
- Check coolant level in reservoir and add if required.
Specs & values
- Cooling system capacity approximately 2 L (2.18 qt.)
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.