Detroit Diesel — Removal of Cylinder Liner
Repair & overhaul
From a Detroit Diesel service manual — check it applies to your exact model before use.
Before you start
- Never use a hammer or unsuitable device to remove cylinder liner.
- If same cylinder liner is reused, install at 90 degrees offset from last position.
Procedure
- Remove the piston. Refer to section "Removal of Piston".
- Mark cylinder liner position in cylinder block with paint pen; mark liner and block, then 90 degrees clockwise.
- Remove cylinder liner using cylinder liner removal tool J-45876.
- Clean and wipe inside of cylinder liner free of oil or coolant.
- Install removal tool with bridge resting on cylinder block deck and lip on liner top.
- Tighten lower nut to expand tool in cylinder liner.
- Tighten upper nut until cylinder liner is pulled from block; remove liner and tool.
- Remove tool from cylinder liner.
- Remove shim from block counterbore.
- Remove and discard the two O-rings from block.
- Clean cylinder block sealing areas and inspect for corrosion.
- Check cylinder liner collar seat condition and depth per Table 1.
- Check liner collar seat condition and depth per Table 2.
Tools required
- J-45876 cylinder liner removal tool Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Cylinder liner protrusion from block 0.230–0.330 mm (0.0090–0.0130 in.)
- Height of cylinder liner collar 10.10–10.12 mm (0.3976–0.3984 in.)
- Depth of collar seat 9.950–10.010 mm (0.3917–0.3941 in.)
- Thickness of seat insert 0.14–0.16 mm (0.0055–0.0063 in.)
- Admissible out-of-round max 0.02 mm (0.0008 in.)
- Admissible deformation of liner collar max 0.02 mm (0.0008 in.)
- Admissible deformation of collar seat max 0.03 mm (0.0012 in.)
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.