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DuraMax LML User Manual

DuraMax LML
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Black plate (8,1)
DURAMAX Diesel Engine (LML/LGH) - 2011
10-8 Vehicle Care
When to Add Engine Oil
If the oil is below the crosshatched
area at the tip of the dipstick, add
one liter/quart of the recommended
oil and then recheck the level. See
Selecting the Right Engine Oil for
an explanation of what kind of oil to
use. For engine oil crankcase
capacity, see Capacities and
Specifications on page 122.
Notice: Do not add too much oil.
Oil levels above or below the
acceptable operating range
shown on the dipstick are harmful
to the engine. If you find that you
have an oil level above the
operating range, i.e. the engine
has so much oil that the oil level
gets above the cross-hatched
area that shows the proper
operating range, the engine could
be damaged. You should drain
out the excess oil or limit your
driving of the vehicle and seek a
service professional to remove
the excess amount of oil.
See Engine Compartment Overview
on page 104 for the location of the
engine oil fill cap.
Be sure to add enough oil to put the
level somewhere in the proper
operating range. Push the dipstick
all the way back in when through.
Selecting the Right Engine Oil
Look for three things:
.
CJ-4
Oils designated as API CJ-4 are
required for the vehicle. The
CJ-4 designation can appear
either alone or in combination
with other American Petroleum
Institute (API) designations, such
as API CJ-4/SL. These letters
show API levels of quality.
.
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
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DuraMax LML Specifications

General IconGeneral
Block MaterialCast Iron
Head MaterialAluminum
Displacement6.6L
Horsepower397 hp @ 3000 rpm
Torque765 lb-ft @ 1600 rpm
Fuel SystemHigh-pressure common rail direct injection
TurbochargerVariable geometry turbocharger
ValvetrainOverhead Valve (OHV)
Emission ControlDiesel particulate filter (DPF)
Engine Oil Capacity10 quarts
Bore x Stroke103 mm x 99 mm (4.06 in x 3.90 in)