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GMC 2003 DURAMAX - Checking Coolant

GMC 2003 DURAMAX
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Checking Coolant
The coolant surge tank is
located in the engine
compartment on the
passenger’s side of the
vehicle. See Engine
Compartment Overview on
page 5-14 for more
information on its location.
{CAUTION:
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 your
engine is cold, the coolant level should be at the FULL
COLD mark.
If your vehicle is equipped with a low coolant sensor,
and the LOW COOLANT LEVEL message comes
on and stays on, it means you’re low on engine coolant.
5-28

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