How To Select Coolant; Definitions - Detroit Diesel EPA07 MBE 4000 Operator's Manual

HOT COOLANT
To avoid scalding from the
expulsion of hot coolant, never
remove the cooling system
pressure cap while the engine is
at operating temperature. Wear
adequate protective clothing
(face shield, rubber gloves,
apron, and boots). Remove the
cap slowly to relieve pressure.
3. Drain all the cleaning solution.
4. Flush the cleaning solution from
the cooling system.
[a] Immediately after draining
the cleaning solution, flush
the system with clean water.
[b] Once the clean water has
drained, fill the system again
with clean water.
[c] Run the engine. Allow
the engine to warm up to
approximately 80°C (176°F),
and then run it about five
minutes longer.
[d] Drain the hot water.
5. Fill the cooling system with new
coolant. For detailed procedures,
see the vehicle/chassis
maintenance manual. For
types of coolant, refer to the
All information subject to change without notice.
DDC-SVC-MAN-0041
EPA07 MBE 4000 OPERATOR'S MANUAL
Copyright © 2009 DETROIT DIESEL CORPORATION
"How to Select Coolant" section
in this guide.

How to Select Coolant

This section covers selection of
the required coolant for MBE 4000
engines.
Definitions
To help ensure complete
understanding of the information, the
definitions of the following terms are
provided:
Antifreeze — Ethylene Glycol (EG)
or Propylene Glycol (PG) containing
a corrosion inhibitor package and
meeting an appropriate heavy-duty
specification, i.e., TMC RP-329 "Type
A" EG, TMC RP 330 "Type A" PG or
TMC RP organic acid ethylene glycol.
NOTE:
TMC RP-329 and TMC RP-330 "Type
A" formulations are phosphate free.
Coolant — The fluid mixture
circulating in the engine cooling
system, typically a mixture of 50%
water and 50% antifreeze.
Drop–Out — Precipitated sludge or
deposit formation in or on cooling
system components.
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