Coolant Level - Navistar MaxxForce DT 9 Operation And Maintenance Manual

SECTION 5 – MAINTENANCE SCHEDULE AND SERVICE PROCEDURES
Service Procedures (cont.)

COOLANT LEVEL

GOVERNMENT REGULATION: Engine fluids
(oil, fuel, and coolant) may be a hazard to human
health and the environment.
other contaminated materials (e.g.
accordance with applicable regulations.
or dispose of engine fluids, filters, and other
contaminated materials according to applicable
regulations.
WARNING: To prevent personal injury or death, shift
transmission to park or neutral, set parking brake, and block
wheels before doing diagnostic or service procedures.
Service Interval: Before Engine Operation
Extended Life Coolant (ELC) 50/50 Premix is the standard
factory fill for the cooling system.
used to replenish coolant loss and ensure that glycol/water
concentrations stay in balance. If a customer wishes to use a
conventional (non-OAT ELC) coolant, it should minimally meet
ASTM D6210, Standard Specification for fully - Formulated
Glycol Base Engine Coolant for Heavy Duty Engines.
Handle all fluids and
filters, rags) in
Recycle
ELC 50/50 Premix is
Form No. 1172040R1
Printed in the United States of America
NOTE: Never add ELC to the expansion tank. Only add ELC to
the coolant tank.
WARNING: To prevent personal injury or death, do the
following when removing the radiator cap or coolant tank
cap:
• Allow the engine to cool for 15 minutes or more.
• Wrap a thick cloth around the radiator cap or coolant tank
cap.
• Loosen cap slowly a quarter to half turn to vent pressure.
• Pause for a moment until all pressure has escaped to avoid
being scalded by steam.
• Continue to turn cap counterclockwise to remove.
1. Check coolant level in the opaque plastic coolant tank.
• Coolant level should be at midpoint of ADD and MAX.
• If coolant level is below the ADD mark, continue with
step 2.
2. Add ELC 50/50 Premix to the correct coolant level (midpoint
of ADD and MAX).
3. Install and tighten coolant tank cap until the plastic cap clicks
or the metal caps runs up against the detent.
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