2003 CHEVROLET C/K air filter

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Page 169 of 386

CHEVROLET C/K 2003  Owners Manual 2-94 Air Pressure Gage (If Equipped)
If your vehicle has air
brakes, the air pressure gage
is located above the
switchbank in the center of
the instrument panel.
This gage shows the air pressure for b

Page 255 of 386

CHEVROLET C/K 2003  Owners Manual 6-
6-1
Section 6 Service and Appearance Care
Here you will find information about the care of your vehicle. This section begins with service and fuel information,
and then it shows how to check import

Page 264 of 386

CHEVROLET C/K 2003  Owners Manual 6-10
To drain water, do the following:
1. Stop and park the vehicle in a safe place. Turn off
the engine and apply the parking brake.
2. Remove the fuel cap.
3. Place a fuel
-resistant container under

Page 265 of 386

CHEVROLET C/K 2003  Owners Manual 6-11
Q:How does air get into the fuel lines?
A:One of the following may have happened:
The vehicle ran out of fuel, or
The fuel filter was removed for servicing or
replacement, or
The fuel lines we

Page 267 of 386

CHEVROLET C/K 2003  Owners Manual 6-13 Running Out of Fuel (Diesel Engines)
If the engine stalls and you think that youve run out of
fuel, do this:
CAUTION:
Diesel fuel is flammable. It could start a fire if it
gets on hot engine par

Page 268 of 386

CHEVROLET C/K 2003  Owners Manual 6-14 Fuel Filter Replacement (Diesel Engines)
If you want to change the fuel filter yourself, heres how
to do it:
CAUTION:
Diesel fuel is flammable. It could start a fire if
something ignites it, and

Page 284 of 386

CHEVROLET C/K 2003  Owners Manual 6-30 Engine Oil Additives
Dont add anything to your oil. The recommended oils
with the API service symbol are all you will need for
good performance and engine protection.
When to Change Engine Oil
C

Page 285 of 386

CHEVROLET C/K 2003  Owners Manual 6-31
The restriction indicator 
is located in the engine
compartment near the
engine air cleaner/filter, 
on the passengers side of
the vehicle.
When the yellow indicator reaches the red ring in the
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