Chevrolet/GMC 2013 DURAMAX Diesel, Owner'S Manual

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Black plate (21,1)
Chevrolet/GMC DURAMAX Diesel - 2013 - CRC - 5/29/12
Vehicle Care 10-21
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
‑ 12 .
Never dispose of engine coolant by
putting it in the trash, pouring it on
the ground, or into sewers, streams,
or bodies of water. Have the coolant
changed by an authorized service
center, familiar with legal
requirements regarding used
coolant disposal. This will help
protect the environment and your
health.
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
‑ 3 for location.
The coolant surge tank is divided
into two sides. The pressurized side
(engine side) should be completely
full, while the non-pressurized side
(fender side) will be significantly
lower, depending on the operating
temperature.
{
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 at or
above the MIN mark.