Kohler KD27V12 — Removing the pressure adapter and injector
Repair & overhaul · Fuel and injection system
For the Kohler KD27V12, from the Kohler service manual.
Applies to: Kohler KD27V12, Kohler KD27V12 engine
Before you start
- Damage to the nozzle crown - remove the gasket carefully.
- Replace the injector sleeve if the gasket is stuck (Service Level 3 technician).
Procedure
- Disconnect the cable from the injector and remove together with the gasket.
- Unscrew the box nut from the pressure adapter.
- Mount the adapter [12440945] and slide hammer puller [0524072] if the pressure adapter sits tight.
- Pull the pressure adapter out of the cylinder head.
- Close the bore immediately with the appropriate protective cap.
- Unscrew the socket head screw and remove the spherical washer.
- Pull the injector and support lug out of the cylinder head.
- Remove the O-ring from the injector and the gasket.
- Close the injector immediately with protective caps.
- Cover the bore in the cylinder head for the injector.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.