Chevrolet/GMC 2.8L Duramax Diesel Engine Supplement (GMNA-Localizing-
U.S./Canada-13336155) - 2020 - CRC - 5/6/19
72
Vehicle Care
containing used engine oil. See the
manufacturer's warnings about the
use and disposal of oil products.
Used oil can be a threat to the
environment. If you change your
own oil, be sure to drain all the oil
from the filter before disposal. Never
dispose of oil by putting it in the
trash or pouring it on the ground,
into sewers, or into streams or
bodies of water. Recycle it by taking
it to a place that collects used oil.
Engine Oil Life System
The engine oil life system calculates
engine oil life based on vehicle use
and displays the CHANGE ENGINE
OIL SOON message when it is time
to change the engine oil and filter.
The oil life system should be reset
to 100% only following an oil
change. See
“
Engine Oil Life
System
”
in the owner
’
s manual.
Automatic Transmission
Fluid
When to Check and Change
(2.8L 4-Cylinder Engine Pickup
Models)
See
“
Automatic Transmission Fluid
”
in the owner
’
s manual.
When to Check and Change
(2.8L 4-Cylinder Engine Van
Models)
It is not necessary to check the
transmission fluid level.
A transmission fluid leak is the only
reason for fluid loss. If a leak
occurs, take the vehicle to your
dealer and have it repaired as soon
as possible.
There is a special procedure for
checking and changing the
transmission fluid. Because this
procedure is difficult, this should be
done at your dealer. Contact your
dealer for additional information.
Change the fluid and filter at the
intervals listed in
, and be sure to use
the fluid listed in
Engine Air Cleaner/Filter
2.8L 4-Cylinder Engine Pickup
Models
See
“
Engine Air Cleaner/Filter
”
in
the owner
’
s manual.
2.8L 4-Cylinder Engine Van
Models
The air cleaner/filter assembly is on
the front of the engine compartment
on the driver side of the vehicle.
See
When to Inspect the Engine Air
Cleaner/Filter
For intervals on changing and
inspecting the engine air filter, see
.