Detroit Diesel Series 60 Operator's Manual page 129

Abnormal Operating Condition Symptoms and Probable Causes
Probable Causes
Loose connections
Cracked lines
Damaged gaskets or seal rings
* Lube oil loss at breather tube
* Lube oil loss at dipstick tube
Leaking oil cooler
Leaking valve stem seals
Worn/broken oil control rings
Scored liner and/or piston
Excessive engine installation angle
Crankcase overfilled
Oil in air tanks (air compressor
malfunction)
Plugged crankcase breather
Oil level low
Improper engine oil viscosity (fuel in the
oil)
Faulty oil pressure regulator valve
Worn crankshaft, camshaft or
connecting rod bearings
Missing cup plugs in rocker arm shafts
Faulty oil pressure relief valve
Air leaks in oil pump (suction side)
Worn or damaged oil pump
Faulty oil pressure gage
Faulty electrical components (for gage)
Plugged oil line or orifice
* Indicates high crankcase pressure
All information subject to change without notice. (Rev. 01/04)
6SE484 0401 Copyright © 2004 DETROIT DIESEL CORPORATION
SERIES 60 ENGINE OPERATOR'S GUIDE
High Lube Oil
Consumption
X
X
X
X
X
X
X
X
X
X
X
X
X
Low Oil
Pressure
X
X
X
X
X
X
X
X
X
X
X
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