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472 TECHNICAL SPECIFICATIONS
BIODIESEL FUEL REQUIREMENTS
A maximum blend of 5% biodiesel meeting
ASTM specification D975 is recommended for
use with your diesel engine. If frequent
operation with Biodiesel blends that are
between 6% and 20% (B6–B20) is desired, the
maintenance schedule is subject to shorter
intervals.
The oil and filter change along with fuel filter
replacement is subject to shorter intervals
when operating your engine on biodiesel
greater than 5%. Do not use biodiesel greater
than 20%.
For regular use of biodiesel blends between 6%
and 20% (B6–B20) it is important that you
understand and comply with these
requirements. For further direction
Ú page 403.
Biodiesel is a fuel produced from renewable
resources typically derived from animal fat,
rapeseed oil (Rapeseed Methyl Ester (RME)
base), or soybean oil (Soy Methyl Ester (SME or
SOME) base).
Biodiesel fuel has inherent limitations which
require that you understand and adhere to the
following requirements if you use blends of
Biodiesel between 6% and 20% (B6–B20).
There are no unique restrictions for the use of
B5.
Biodiesel Fuel Properties — Low Ambient
Temperatures
Biodiesel fuel may gel or solidify at low ambient
temperatures, which may pose problems for
both storage and operation. Precautions can be
necessary at low ambient temperatures, such
as storing the fuel in a heated building or a
heated storage tank, or using cold temperature
additives.
CAUTION!
Failure to comply with Oil Change
requirements for vehicles operating on
biodiesel blends between 6% and 20%
(B6–B20) will result in premature engine
wear. Such wear is not covered by the New
Vehicle Limited Warranty.
CAUTION!
Use of blends greater than 20% is not
approved. Use of blends greater than 20%
can result in engine damage. Such damage is
not covered by the New Vehicle Limited
Warranty.
CAUTION!
In the event that the vehicle is filled with
biodiesel and not used for more than a
month, the fuel should either be used up by
driving (up to quarter tank) and filled with
standard diesel blends with less than 5% that
is normally available. This will help prevent
the fuel filter clogging and potential damage
to the fuel injection system due to degraded
biodiesel, which is not covered by the New
Vehicle Limited Warranty.
21_DT_OM_EN_USC_t.book Page 472
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