Detroit Diesel — Removal of Cylinder Block
Repair & overhaul
From a Detroit Diesel service manual — check it applies to your exact model before use.
Before you start
- Disconnect/disable the starting system to prevent accidental startup.
- Use an adequate lifting device with spreader bar and sling; all lifter brackets must be used.
- Do not use a damaged lifter bracket.
- Never stand beneath a suspended load.
Procedure
- Drain the cooling system.
- Drain the lubricating oil.
- Disconnect the fuel lines.
- Remove air cleaner and mounting brackets.
- Remove the turbocharger.
- Disconnect exhaust piping and remove exhaust manifolds.
- Disconnect throttle controls.
- Disconnect and remove starting motor.
- Remove battery-charging alternator.
- Remove air compressor, radiator, fan guard, air box drain tubes and covers.
- Separate engine from transmission or driven mechanism and remove mounting bolts.
- Use spreader bar, sling and chain hoist to lift engine from base.
- Mount engine securely to overhaul stand using grade 8 bolts.
- Remove remaining subassemblies and parts from cylinder block.
Tools required
- Overhaul stand J 29109 with adaptor J 33850 (6V/8V) Amazon
- Overhaul stand J 9389-04 and adaptor J 8650 (12V/16V) Amazon
- Spreader bar and sling Amazon
- Chain hoist Amazon
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.