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Chevrolet/GMC 3.0L Duramax Diesel Engine Supplement (GMNA-Localizing-
U.S./Canada-13336148) - 2020 - CRC - 9/5/19
14
Driving and Operating
Driving and
Operating
Starting and Operating
Starting the Diesel Engine . . . . . 14
Engine Heater . . . . . . . . . . . . . . . . . 16
Diesel Particulate Filter
Diesel Particulate Filter . . . . . . . . 17
Diesel Exhaust Fluid
Diesel Exhaust Fluid . . . . . . . . . . . 20
Brakes
Exhaust Brake . . . . . . . . . . . . . . . . . 24
Fuel
Top Tier Fuel . . . . . . . . . . . . . . . . . . 24
Fuel Additives . . . . . . . . . . . . . . . . . 25
Fuel for Diesel Engines . . . . . . . . 25
Biodiesel . . . . . . . . . . . . . . . . . . . . . . . 26
Cold Weather Operation . . . . . . . 27
Water in Fuel . . . . . . . . . . . . . . . . . . 27
Running Out of Fuel . . . . . . . . . . . 30
Fuel Filter Replacement . . . . . . . 31
Filling the Tank . . . . . . . . . . . . . . . . 31
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . . . 34
Trailer Towing
Trailer Towing . . . . . . . . . . . . . . . . . . 34
Starting and
Operating
Starting the Diesel
Engine
The diesel engine starts differently
than a gasoline engine.
Move the shift lever to P (Park) or
N (Neutral). To restart the engine
when the vehicle is already moving,
use N (Neutral) only.
Caution
Do not try to shift to P (Park) if the
vehicle is moving. If you do, you
could damage the transmission.
Shift to P (Park) only when the
vehicle is stopped.
Starting the Engine
1. Place your foot on the brake
and press ENGINE
START/STOP.