Kohler KD27V12 — Draining the coolant
Maintenance · Cooling system
For the Kohler KD27V12, from the Kohler service manual.
Applies to: Kohler KD27V12, Kohler KD27V12 engine
Before you start
- Hot cooler fluid! Injuries, burns!
- Coolant can cause injuries to the eyes and allergic skin reactions!
Procedure
- Place a reservoir beneath the Diesel engine.
- Carefully loosen the sealing plug on the equalizing reservoir until the overpressure is released, then open it.
- Open the protecting cap of the drain valves.
- Screw drain hose [12690422 or 12690423] on the drain valves one after the other.
- When the coolant has drained, unscrew the drain hose from the drain valves.
- Screw the protecting caps back into place.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Let the engine cool down below 50°C (122°F) before opening the filler neck
Full service-parts list: Kohler KD27V12 →
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.