Austro Engine E4 Series - Troubleshooting Information

E4 Series
Maintenance Manual
Engine Oil
System
E4.08.04
Rev. 29
Page 101
79 – Troubleshooting
01-Jul-2020
Troubleshooting Information
1. General
The table below includes the possible defects of the lubrication system. If you have the trouble listed
in the Trouble column, read across to the Possible Cause column. Then do the repair in the Repair
column.
Trouble
Possible Cause
Repair
Oil leakage.
Defective gasket or seal.
Replace the gasket or seal.
Leaking components.
Replace the leaking
components.
Clean the engine.
Leakage at the oil-inlet.
Replace the turbocharger oil
supply line.
Leakage at the oil-outlet.
Replace the turbocharger oil
return line.
Low oil pressure.
Total oil loss through oil drain
screw.
Overhaul engine.
Oil pump defective.
Replace the oil pump.
Oil contamination.
Replace the engine.
Chips in the engine oil.
Low oil viscosity.
Oil contamination.
Replace the oil filter.
Engine oil temperature too
high.
Coolant oil heat exchanger
blocked.
Destroyed silicate cartridge
leads to a blocked coolant
which causes an increased oil
temperature.
Replace the coolant oil heat
exchanger and clean the
coolant system well with the
use of AEP-00367-100 Coolant
flushing tool.
Excessive oil consumption.
Oil leakage.
see “Oil leakage “
Leaking turbocharger.
Replace turbocharger.
Oil loss through breather line.
Defective oil separator.
Replace oil separator.
Serious engine damage.
Replace/overhaul engine.