Detroit Diesel — Removal of the Air Compressor
Repair & overhaul
From a Detroit Diesel service manual — check it applies to your exact model before use.
Before you start
- Ensure the air pressure has been released from the air lines before removing the lines.
- Do not contact the drive gear to the engine block during removal; damage to the seal surface will cause oil leaks.
Procedure
- Disconnect the batteries and drain the coolant from the radiator.
- Relieve air pressure from the tanks.
- Disconnect the air lines to and from the compressor.
- Disconnect and drain the coolant supply and return lines at the air compressor.
- Remove the four bolts that secure the air compressor to the cylinder block.
- Slide the air compressor forward and remove from engine.
- Discard the air compressor gasket.
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.