Kohler — Cooling System Refill
Maintenance
From a Kohler service manual covering: KD1250-4, KD1750, KD2000, KD2500, KD3250, KD4000, KD700-KD4000, TP-7143. Check it applies to your exact model before use.
Applies to: Kohler KD1250-4, Kohler KD1750, Kohler KD2000, Kohler KD2500, Kohler KD3250, Kohler KD4000
Before you start
- Hot coolant and steam. Do not add coolant to a hot engine.
Procedure
- Remove pressure cap.
- Close radiator and/or engine block coolant drain valve(s) and tighten hose clamps.
- Fill cooling system with recommended coolant/antifreeze mixture.
- Fill coolant expansion tank to middle of sight glass.
- For KD2000-KD4000, use manual engine venting ports to bleed trapped air.
- Leave radiator cap off and run for 5 minutes with no load.
- Stop engine and allow to cool; check and repair leaks.
- Add coolant to just below overflow tube opening; replace pressure cap; operate until thermostat opens.
Full service-parts list: Kohler KD1250-4 →, Kohler KD1750 →, Kohler KD2000 →, Kohler KD2500 →, Kohler KD3250 →, Kohler KD4000 →
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.