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PSI (Power Solutions Intl) 10L Turbo — Disassembly Steps of Engine Block Group

For the PSI (Power Solutions Intl) 10L Turbo.

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Before you start

  • Before proceeding with any maintenance or repair operation, place a sign clearly stating "Maintenance in Progress, Do Not Use" on the engine starter switch.
  • THE ENGINE MUST BE COMPLETELY SHUT DOWN PRIOR TO MAINTENANCE.
  • Tighten the main bearing bolts in a symmetric way according to the specified sequence. Before assembly, apply clean lubricating oil to the bearing surface of crankcase and the threads of main bearing bolts.
  • Before assembly, inspect the cylinder liner carefully for cracks and other defects, then clean and press it into the cylinder bore with special tool after applying molybdenum powder to the outside surface of cylinder liner.

Procedure

  1. Remove main oil passage screw plug;
  2. Remove cylinder liner;
  3. Unscrew the crankcase fastening bolts;
  4. Unscrew the main bearing bolt;
  5. Remove sealing ring.

Specs & torque values

  • Main bearing bolt tightening torque: 265 N·m ± 25 N·m (bolts reusable up to 6 times
  • bolt extension length must be less than 172 mm)
  • Hexagon bolt/plug tightening torque: 22-29 N·m (Grade 8.8)
  • 29-35 N·m (Grade 10.9)
  • Cylinder head auxiliary bolts: reusable at most 2 times, tightened in specified sequence

Source: manual:10L-10LT-Engine-Service-Manual-7610035-2.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.