Black plate (8,1)
Chevrolet/GMC DURAMAX Diesel Supplement - 2013 - crc - 8/10/12
10-8
Vehicle Care
.
SAE 15W-40
SAE 15W-40 is best for the
vehicle. When it is very cold,
below
−
18°C (0°F), use
SAE 5W-40 to improve cold
starting. These numbers on the
oil container show its viscosity,
or thickness. Do not use other
viscosity oils such as
SAE 10W-30, SAE 10W-40,
or SAE 20W-50.
.
American Petroleum Institute
(API) symbol
This doughnut-shaped logo
(symbol) is used on most oil
containers to help you select the
correct oil. It means that the oil has
been certified by the American
Petroleum Institute.
Look for this on the oil container,
and use only those oils that display
this logo.
Notice:
Use only engine oils that
have the designation CJ-4 for the
diesel engine. Failure to use the
recommended oil can damage the
DPF and result in engine damage
not covered by the vehicle
warranty.
Engine Oil Additives/Engine
Oil Flushes
Do not add anything to the oil. The
recommended oils with the API
service symbol are all that is
needed for good performance and
engine protection.
