Black plate (21,1)
Chevrolet/GMC DURAMAX Diesel - 2013 - CRC - 5/29/12
Driving and Operating
9-21
Notice:
Raw vegetable oil or
other unmodified bio-oils or fats
are not biodiesel and must not be
used in your vehicle as they
could damage the fuel system
and engine.
What not to use
Do not use home-made biodiesel in
your vehicle since its quality cannot
be verified by approved scientific
methods. Home test kits are not
approved scientific methods.
Notice:
Any damage caused by
raw, unmodified, or home-made
biodiesel would not be covered
by the vehicle warranty.
Biodiesel blends
It is acceptable to use diesel fuel
containing up to 20% biodiesel
(B20). The diesel fuel portion of the
blend must meet the same
specification, ASTM D975 (Grades
No. 2-D or No. 1-D S15 commonly
known as Ultra Low Sulfur Diesel),
as other fuels used in your vehicle,
and the biodiesel used for making
this fuel must meet the latest
version of ASTM specification
D6751.
.
Pump labeling
—
Retail pumps
dispensing blends containing up
to 5% biodiesel (B5) are not
required to be labeled with the
concentration of biodiesel.
Blends up to B5 must meet
ASTM D975 (Grades No. 2-D or
No. 1-D S15 commonly known
as Ultra Low Sulfur Diesel).
Notice:
Do not use blends
containing more than 20%
biodiesel. Any engine, fuel
system, or exhaust
after-treatment system damage
caused by the use of such blends
would not be covered by the
vehicle warranty.
Pumps dispensing more than
5% and up to 20% biodiesel are
required to be labeled with the
concentration of biodiesel. When
refueling with a biodiesel blend
above B5, ensure one of the
following two labels appears on
the dispenser:
Summary of Contents for 2013 DURAMAX Diesel
Page 4: ...Black plate 4 1 Chevrolet GMC DURAMAX Diesel 2013 CRC 5 29 12 iv Introduction 2 NOTES ...
Page 115: ...Black plate 5 1 Chevrolet GMC DURAMAX Diesel 2013 CRC 5 29 12 Service and Maintenance 11 5 ...
Page 117: ...Black plate 7 1 Chevrolet GMC DURAMAX Diesel 2013 CRC 5 29 12 Service and Maintenance 11 7 ...
