Mitsubishi — Fuel System Preparation for New or Overhauled Engine
Installation
From a Mitsubishi owner's manual — check it applies to your exact model before use.
Applies to: Mitsubishi S12R-Y1PTA engine
Before you start
- Do not use flames near fuel system
Procedure
- Loosen fuel line connector on fuel injection pump.
- Rotate crankshaft using turning gear until fuel flows from connector.
- Tighten fuel line connector.
- Reinstall drain plug and fuel feed pipe.
- Refill fuel tank to FULL level on fuel level gauge.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Mitsubishi owner's 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.