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Problem: High oil consumption
Possible Cause Solution
Oil leaks: Check for leaks.
Piston rings worn: Overhaul required.
Valve stem and guide worn: Overhaul required.
Piston rings gap facing the same direction: Shift ring gap position. Dealer or service agent to check.
Problem: Water in lubricating oil - general
Possible Cause Solution
Core plug pushed out due to frozen block: Dealer or service agent to check and replace.
Water pump seal damaged: Dealer or service agent to check and replace.
Problem: Water in lubricating oil - heat exchanger cooled
Possible Cause Solution
Oil goes “milky” due to seawater entering Check installation - has an anti-syphon valve been fitted?
exhaust manifold: Change engine oil and run engine for 10 minutes each
time to eliminate any water. Get fuel injection pump and
compression checked by dealer or service agent.
Problem: Water in lubricating oil - keel cooled
Possible Cause Solution
Oil goes “milky” due to water entering Check installation - has dry exhaust system been fitted
exhaust manifold and then into the sump: correctly, ensuring rain water cannot enter the exhaust
port and run back? (please refer to ‘Dry Exhaust System
on page 13). Change engine oil and run engine for 10
minutes each time to eliminate any water. Get injection
pump checked by dealer or service agent.
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