Black plate (32,1)
Chevrolet/GMC Duramax Diesel Supplement (GMNA Localizing-U.S./Canada-
7132827) - 2015 - CRC - 6/5/14
9-32
Driving and Operating
attempts. Allow the engine to
idle for a few minutes after it
starts. Check the filter for leaks.
To Prime Van Models
There is an electric priming pump
that will bring fuel to the engine and
eliminate air in the fuel lines.
To prime the engine:
1. Correct any condition that
caused the loss of prime.
2. Turn the ignition to ON/RUN for
30 seconds. Do not start the
engine. The fuel pump will start
priming.
3. Turn the ignition off, then back to
start, and crank the engine for
15 seconds.
4. If the engine does not start,
repeat Steps 2 and 3 until the
engine starts.
If the engine does not start after
repeating Steps 2 and 3 three
times, turn the ignition key off for
60 seconds.
5. Repeat the above steps until the
engine starts.
6. If the engine starts, but does not
run smoothly, increase the
engine speed slightly.
7. If the engine starts and runs but
stalls again, turn the ignition off
for 60 seconds.
8. When the engine starts, let it idle
for a few minutes and check the
filter for any leaks.
To Prime the Fuel Operated Heater
(FOH) Fuel Lines (Van Models)
See your dealer or qualified
technician if the FOH fuel lines need
to be primed.
Running Out of Fuel
Pickup Models
{
Warning
Diesel fuel is combustible. It could
start a fire if it gets on hot engine
parts. You could be burned. Catch
any fuel from the air bleed valve,
and wipe up any spilled fuel with
a cloth.
If the engine has stalled due to
running out of fuel, try the following
steps to restart it:
1. If parked on a level surface, add
at least 7.6 L (2 gal) of fuel. Up
to 18.9 L (5 gal) may be needed
if parked on a slope.
2. Follow the fuel priming
procedure earlier in this section
to prime the fuel filter.
3. Turn the ignition key to START
for 10 to 15 seconds at a time
until the engine starts. If the
