Mitsubishi S12A2 — Bleeding air from fuel system
Maintenance
For the Mitsubishi S12A2, from the Mitsubishi service manual.
Applies to: Mitsubishi S12A2
Before you start
- Wipe off spilled fuel thoroughly.
- Lock priming pump cap securely.
Procedure
- Start at the place nearest to the fuel tank: water separator, fuel filter, injection pump.
- Loosen air vent plug of the water separator.
- Turn priming pump cap counterclockwise to loosen, then move up and down.
- When fuel flowing out no longer contains air bubbles, close the air vent plug.
- Lock priming pump cap by turning clockwise while pushing down.
Specs & values
- Air vent plug tightening torque 8 to 10 N·m
Full service-parts list: Mitsubishi S12A2 →
Source: Mitsubishi 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.