Power Solutions International 10L Turbo — Assembly steps of piston & connecting rod group
Repair & overhaul · Crank-connecting rod mechanism
For the Power Solutions International 10L Turbo, from the Power Solutions International service manual.
Applies to: Power Solutions International 10L & 10L Turbo engine
Before you start
- Mark pistons G1-G5 by weight; pistons of same weight group must not be misinstalled
Procedure
- Install one circlip into piston circlip groove
- Insert connecting rod small end, align with piston pin hole, install piston pin and other circlip
- Install oil ring, 2nd gas ring and 1st gas ring with TOP upwards
- Wipe cylinder inner wall and apply clean lubricating oil
- Adjust ring opening positions
- Install No.1 and No.6 piston assemblies at BDC
- Tighten connecting rod bolts: pretighten, 120 Nm, then 90°±5° to 170Nm~250Nm
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Connecting rod bolts: 120 Nm then 90°±5° to 170Nm~250 Nm
- 1st ring opening 30° from piston pin centerline; 2nd ring 120° from 1st; oil ring 120° from both
Source: Power Solutions International 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.