A Series Diesel Engine Troubleshooting Logic 43
Contaminated Coolant
Cause
Correction
Rusty Coolant, Operation Without
Correct Mixture of Antifreeze and
Water
Drain and Flush the Cooling System. Fill
with Correct Mixture of Antifreeze and
Water. Refer to Page 55.
OK
Review the Coolant Change Interval.
If Equipped, Leaking Transmission
Oil Cooler
Check/Replace Oil Cooler. Refer to
Equipment Manufacturer’s Procedures.
OK
Oil Leaks from Oil Cooler, Head
Gasket, Head and Cylinder Block
Refer to Troubleshooting Logic for
Lube Oil Loss.
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