Technical data

Black plate (1,1)
Chevrolet/GMC Duramax Diesel Supplement (GMNA Localizing-U.S./Canada-
7132827) - 2015 - CRC - 10/21/14
Driving and Operating 9-1
Driving and
Operating
Starting and Operating
Starting the Diesel Engine . . . . 9-1
Winter Cover . . . . . . . . . . . . . . . . . . 9-5
Engine Heater . . . . . . . . . . . . . . . . . 9-9
Fuel Operated
Heater (FOH) . . . . . . . . . . . . . . . 9-11
Parking over Things
That Burn . . . . . . . . . . . . . . . . . . 9-11
Diesel Particulate Filter
Diesel Particulate Filter . . . . . . 9-12
Diesel Exhaust Fluid
Diesel Exhaust Fluid . . . . . . . . . 9-13
Brakes
Exhaust Brake . . . . . . . . . . . . . . . 9-20
Fuel
Fuel for Diesel Engines . . . . . . 9-21
What Fuel to Use in
The U.S. . . . . . . . . . . . . . . . . . . . 9-22
What Fuel to Use in Canada
and Mexico . . . . . . . . . . . . . . . . . 9-26
Cold Weather Operation . . . . . 9-28
Water in Fuel . . . . . . . . . . . . . . . . 9-28
Running Out of Fuel . . . . . . . . . 9-33
Fuel Filter Replacement . . . . . 9-34
Filling the Tank . . . . . . . . . . . . . . 9-36
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 9-38
Towing
Trailer Towing . . . . . . . . . . . . . . . . 9-38
Conversions and Add-Ons
Power Take-Off (PTO) . . . . . . . 9-43
Starting and
Operating
Starting the Diesel
Engine
The diesel engine starts differently
than a gasoline engine.
{
Caution
If the steering wheel is turned
until it reaches the end of its
travel, and is held in that position
while starting the vehicle, damage
may occur to the hydraulic power
steering system and there may be
loss of power steering assist.
Move the shift lever to P (Park) or
N (Neutral). To restart the engine
when the vehicle is already moving,
use N (Neutral) only.