Black plate (23,1)
DURAMAX Diesel Engine (LML/LGH) - 2011
Vehicle Care
10-23
Notice:
If an improper coolant
mixture is used, the engine could
overheat and be badly damaged.
The repair cost would not be
covered by the vehicle warranty.
Too much water in the mixture
can freeze and crack the engine,
radiator, heater core, and other
parts.
If coolant has to be added more
than four times a year, have the
dealer check the vehicle cooling
system.
Notice:
If you use extra inhibitors
and/or additives in your vehicle's
cooling system, you could
damage your vehicle. Use only
the proper mixture of the engine
coolant listed in this manual
for the cooling system.
See
Recommended Fluids
and Lubricants on page 11
‑
8
for more information.
Checking Coolant (Pickup Models)
The coolant surge tank is located in
the engine compartment on the
passenger side of the vehicle.
See
Engine Compartment Overview
on page 10
‑
4
for more information
on its location.
{
WARNING
Turning the surge tank pressure
cap when the engine and radiator
are hot can allow steam and
scalding liquids to blow out and
burn you badly. Never turn the
surge tank pressure cap
—
even
a little
—
when the engine and
radiator are hot.
The vehicle must be on a level
surface. When the engine is cold,
the coolant level should be between
the MIN and MAX marks.
All manuals and user guides at all-guides.com
