Contamination Of Coolant - Navistar MaxxForce DT 9 Operation And Maintenance Manual

SECTION 2 – REQUIREMENTS FOR FUEL, ENGINE OIL, AND COOLANT
Coolant (cont.)

CONTAMINATION OF COOLANT

The coolant color should indicate the condition of the coolant.
• Coolant color should be a reddish orange (clear – not
cloudy).
• Coolant must not have floating debris or visible oil.
Contamination of ELC with other coolant products will not be
obvious.
To verify coolant quality, contact an authorized service provider
or use a refractometer to verify coolant strength.
Form No. 1172040R1
Printed in the United States of America
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