Contaminated Lubricating Oil - Dodge D250 1990 Service Manual

Troubleshooting Logic
Page9A-32
Base Engine Components
DODGE Turbo Diesel
Contaminated Lubricating Oil
Cause
Correction
Coolant in the Oil, Internal Engine
Component Leaks
Refer to Troubleshooting Logic for
Coolant Loss
Coolant in the Oil, Internal Engine
Component Leaks
Refer to Troubleshooting Logic for
Coolant Loss
OK
•
Excessive Oil Sludge
Review Oil and Filter Change Intervals.
Excessive Oil Sludge
Review Oil and Filter Change Intervals.
Make Sure the Correct Oil is Being
Used.
Fuel in the Oil, Engine Operating Too
Review the Operation for Excessive
Idling Resulting in the Engine Running
Below Normal Temperature.
Cold
Review the Operation for Excessive
Idling Resulting in the Engine Running
Below Normal Temperature.
OK
±
Fuel Pump Seal Leaking
Remove the Pump and Have the Seal
Replaced
OK
•
Injector Needle Valves Not Sealing
Locate and Replace Malfunctioning
Injector.