168
CA447
Excessive Engine Temperature
Possible Cause Remedy
Seacock closed. Open.
Drive belt loose or in poor
condition.
Replace or adjust belt.
Seawater pickups obstructed. Remove obstruction.
Faulty thermostat. Replace.
Coolant level low in closed
cooling section (If Equipped).
Check for cause of low coolant
level and repair. Fill system
with proper coolant solution.
Heat Exchanger Cores plugged
with foreign material
(If Equipped).
Clean Heat Exchanger.
Loss of pressure in closed
cooling section (If Equipped).
Check for leaks. Clean, inspect
and test pressure cap.
Faulty seawater pickup pump. Repair.
Seawater discharge restricted
or plugged.
Clean exhaust elbows.
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