Turbocharger Leaks - Engine Oil or Fuel
Cause Corrections
----------
Operating For Extended Periods Under
Light or No Load Conditions
(Slobbering)
OK
f
Review vehicle operation. Refer to N14
Operation and Maintenance Manual,
Bulletin No. 3666024.
----------
Engine Oil or Fuel Entering Turbocharger
OK
f
Remove intake and exhaust Piping.
Check for engine oil or fuel. Refer to
Section 3.
----------
Turbocharger Turbine/Compressor
Seals Leaking Oil
OK
f
Check/replace turbocharger. Refer to
Procedures 3-02 and 3-08.
----------
Crankcase Gases (Blowby) Excessive
OK
f
Check for excessive blowby. Refer to
Procedure 8-06.
----------
Turbocharger Drain Line Obstructed
OK
f
Check/clean line. Refer to Procedure 3-08.
----------
Fuel System Malfunctioning
OK
f
Refer to the Smoke, White - Excessive
Troubleshooting Chart.
----------
Valve Stem Clearance Excessive or
Valve Stem Seals Damaged
OK
f
Rebuild or replace cylinder head. Refer
to Procedure 7-18.
----------
Cylinder Head Cracked or Porous
Replace cylinder head. Refer to
Procedure 7-18.
SectionT-Troubleshooting Troubleshooting Symptoms Charts
N14 Page T-103