Oil Is In Coolant (Or Coolant Spurts Or Coolant Level Goes Down) - Komatsu PC88MR-10 Shop Manual

40 Troubleshooting
Troubleshooting of engine (S-mode)
S-13 Oil is in coolant (or coolant spurts or coolant level goes down)
B40-400-A-Z0-A)

Oil is in coolant (or coolant spurts or coolant level goes down)

Failure
Related information
No. Cause
Milky engine oil
1
Damaged oil cooler element
2
Damaged cylinder head
3
Damaged cylinder head
4
gasket
Cracks or pitting in cylinder
5
block
40-532
If any failure code is displayed, carry out troubleshooting for it first.
Engine oil level rises and oil is milky
Check oil cooler element
Coolant in radiator has excessive air
bubbles and blows back.
Overhaul engine and perform a pressure
tightness test on cylinder head to check for
abnormalities
Coolant in radiator has excessive air
bubbles and blows back.
Overhaul engine and check cylinder head
gasket for abnormalities
Engine oil level rises and oil is milky
Disassemble engine and check for cracks
or pitting in cylinder block
Detail of work, remarks
(PC400-
Remedy
Perform
troubleshooting for "S-
16 Water mixes into
engine oil (milky)".
Replace oil cooler
element
Replace cylinder head
Replace cylinder head
gasket
Replace cylinder block
PC88MR-10