Dodge D250 1990 Service Manual page 169

Troubleshooting Logic
Page9A-30
Base Engine Components
DODGETurbo Diesel
Lubricating Oil Loss (Continued)
Cause
Correction
Turbocharger Leaking Oil to the Air Inspect the Air Crossover Tube for
Intake Evidence of Oil Transfer.
OK
•
Worn Valve Seals Inspect/Replace the Valve Seals.
OK
•
Piston Rings Not Sealing - Oil Being Perform Blowby Check. Repair as
Consumed by the Engine Required.