Chapter 4 MAINTENANCE
4-7
Recommended LLC
Recommended brands of LLC are shown in the
chart below.
Note: When using an LLC other than the above, fre-
quent inspections are required since the ser-
vice life may be shorter.
Features and Performance of Rec-
ommended LLC
• Use LLC with no amine content.
• Use LLC with no silicate or borate.
• Use LLC that is close to neutral on the pH scale
and slightly alkaline.
• Use LLC that contains balanced chemical addi-
tives as substitutes for amines.
• Use LLC that offers long life (with 30% LLC con-
centration and service life of more than 1 year).
Maintenance of LLC
Coolant (containing LLC) drained from an engine is
toxic, and must not be disposed of into regular sew-
age.
For disposal of used coolant, consult a Mitsubishi
dealer.
Replacement timing of LLC
When a coolant mixed with the LLC recommended
by our company is used, replace coolamt every
12000 hours or 2 years, whichever comes first, in a
regular-use or general-purpose engine. In an emer
-
gency engine, replace coolant every 2 years.
LLC concentration
When determining the LLC concentration, provide a
margin of 5°C [41°F] below the expected lowest
temperature in your region. Maintain the LLC con
-
centration between 30 and 60% throughout the
year.
LLC of less than 30% concentration does not pro-
vide sufficient corrosion protection. If the LLC con-
centration is as low as several percent, it may
promote corrosion.
LLC of more than 60% concentration can adversely
affect its freeze protection characteristic and cause
the engine to overheat easily.
When adding coolant without changing all coolant,
do not add plain water. Always use coolant having
the same LLC concentration.
Note: For determining the accurate LLC concentra-
tion, refer to the instructions for the LLC used.
Table 4-4 Recommended brands of LLC
Manufacturer Brand
Nippon Oil Corporation Super Coolant X
Mitsubishi Fuso Truck &
Bus Corporation
Fuso Diesel Long Life
Coolant
TEXACO Code 7998
Table 4-5 Recommended LLC concentration (for
reference only)
Lowest
ambient
temperature
(°C [°F])
up to
-15
[5]
up to
-24
[-11]
up to
-36
[-32]
up to
-43
[-45]
LLC concentra-
tion (%)
30 40 50 55
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