Mitsubishi — Installation of Pistons
Repair & overhaul · Piston and connecting rod
From a Mitsubishi service manual — check it applies to your exact model before use.
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Before you start
- Do not rotate piston during installation.
- Prevent connecting rod from contacting piston cooling nozzle.
Procedure
- Place connecting rod in cylinder liner and rest piston on crankcase.
- Ensure F mark on piston top points to front of engine.
- Apply engine oil to piston rings and stagger end gaps.
- Insert piston into cylinder liner using piston installer.
- Check connecting rod bearing upper half positioning through inspection window.
- Install connecting rod cap lower half and tighten bolts.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Connecting rod cap 343±17 N·m [Wet]
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.