Home›Repair guides›Mitsubishi›Installing pistons

Mitsubishi — Installing pistons

Repair & overhaul · Piston and connecting rod

From a Mitsubishi service manual — check it applies to your exact model before use.

Applies to: Mitsubishi S16R engine

Before you start

  • Ensure CAM mark points toward camshaft.
  • Do not rotate piston.

Procedure

  1. Turn crankshaft to position cylinder about 50° before/after TDC.
  2. Clean liner bore and crankpin; coat with engine oil.
  3. Install upper bearing shell.
  4. Coat rings with oil and position gaps.
  5. Insert piston with piston installer.
  6. Tap piston head lightly.

Tools required

  • Piston installer 37191-07100 Amazon

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Full service-parts list: Mitsubishi S16R engine →

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.

More Mitsubishi repair guides →