Detroit Diesel — Disassemble Piston And Connecting Rod (Floating-Skirt Piston)
Repair & overhaul · Piston and Piston Rings
From a Detroit Diesel service manual — check it applies to your exact model before use.
Procedure
- Secure the connecting rod in a vise equipped with soft jaws and remove the piston rings with tool J 22405-02.
- Remove the two bolts and spacers securing the connecting rod to the piston pin and remove the connecting rod.
- Remove the snap ring from the piston body and withdraw the piston pin carrier and thrust plate.
- Remove the piston pin from the carrier.
- Visually inspect the piston pin bushing; if the babbitt overlay is worn to the point that copper is visible, replace the bushing.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Detroit Diesel 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.