Page 537 of 630
WARNING: (Continued)
3. If you have a four-wheel-drive vehicle, be surethe transfer case is in a drive gear –not in
N (Neutral).
4. Turn off the engine and do not restart while the vehicle is raised.
5. Do not allow passengers to remain in the vehicle.
To be even more certain the vehicle will not move,
put blocks at the front and rear of the tire farthest
away from the one being changed. That would be
the tire on the other side, at the opposite end of
the vehicle. When the vehicle has a flat tire (B), use the following
example as a guide to assist you in the placement of
wheel blocks (A).
A. Wheel Block
B. Flat Tire
The following information explains how to use the jack
and change a tire.
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Page 563 of 630

Vehicle Identification
Vehicle Identification Number (VIN)
This legal identifier is in the front corner of the
instrument panel, on the driver side. It can be seen
through the windshield from outside. The VIN also
appears on the Certification/Tire and Service Parts
labels and certificates of title and registration.
Engine Identification
The eighth character in the VIN is the engine code. This
code identifies the vehicle's engine, specifications, and
replacement parts. See“Engine Specifications”under
Capacities and Specifications
on page 6‑126for the
vehicle's engine code.
Service Parts Identification Label
This label, on the inside of the glove box, has the
following information:
.Vehicle Identification Number (VIN)
.Model designation
.Paint information
.Production options and special equipment
Do not remove this label from the vehicle.
Electrical System
Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle
unless you check with your dealer/retailer first.
Some electrical equipment can damage the vehicle
and the damage would not be covered by the
vehicle's warranty. Some add-on electrical
equipment can keep other components from
working as they should.
Add-on equipment can drain the vehicle battery, even if
the vehicle is not operating.
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Page 568 of 630
Underhood Fuse Block
If the vehicle has the DURAMAX®Diesel engine, see
the DURAMAX®Diesel manual for more information.
If the vehicle is a Two-mode Hybrid, see the
Two-mode Hybrid manual for more information.
The underhood fuse block is located in the engine
compartment, on the driver side of the vehicle.
Lift the cover to access the fuse block.
Notice: Spilling liquid on any electrical components
on the vehicle may damage it. Always keep the
covers on any electrical component.
To remove fuses, hold the end of the fuse between your
thumb and index finger and pull straight out.
Fuses Usage
1 Right Trailer Stop/Turn Lamp
2Electronic Suspension Control,
Automatic Level Control Exhaust
3 Left Trailer Stop/Turn Lamp
4 Engine Controls
5 Engine Control Module,
Throttle Control
6 Trailer Brake Controller
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Page 569 of 630
FusesUsage
7 Front Washer
8 Oxygen Sensor
9 Antilock Brakes System 2
10 Trailer Back-up Lamps 11 Driver Side Low-Beam Headlamp
12 Engine Control Module (Battery)
13 Fuel Injectors, Ignition
Coils (Right Side)
14 Transmission Control
Module (Battery)
15 Vehicle Back-up Lamps
16 Passenger Side Low-Beam Headlamp
17 Air Conditioning Compressor
18 Oxygen Sensors
19 Transmission Controls (Ignition)
20 Fuel Pump
21 Fuel System Control Module
22 Not Used
Fuses Usage
23 Not Used
24Fuel Injectors, Ignition
Coils (Left Side)
25 Trailer Park Lamps
26 Driver Side Park Lamps
27 Passenger Side Park Lamps
28 Fog Lamps
29 Horn
30 Passenger Side High-Beam
Headlamp
31 Daytime Running Lamps (DRL)
32 Driver Side High-Beam Headlamp
33 Daytime Running Lights 2
34 Sunroof
35 Key Ignition System, Theft
Deterrent System
36 Windshield Wiper
37 SEO B2 Upfitter Usage (Battery)
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FusesUsage
38 Electric Adjustable Pedals
39 Climate Controls (Battery)
40 Airbag System (Ignition)
41 Amplifier
42 Audio System
43Miscellaneous (Ignition), Cruise
Control
44 Not Used
45 Airbag System (Battery)
46 Instrument Panel Cluster
47 Power Take-Off
48 Auxiliary Climate Control (Ignition)
49 Center High-Mounted
Stoplamp (CHMSL)
50 Rear Defogger
Fuses Usage
51 Heated Mirrors
52 SEO B1 Upfitter Usage (Battery)
53Cigarette Lighter, Auxiliary
Power Outlet
54 SEO Upfitter Usage
55 Climate Controls (Ignition)
56 Engine Control Module, Secondary
Fuel Pump (Ignition)
J-Case Fuses
Usage
57 Cooling Fan 1
58 Not Used
59 Heavy Duty Antilock Brake System
60 Cooling Fan 2
61 Antilock Brake System 1
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Capacities and Specifications
The following approximate capacities are given in English and metric conversions. SeeRecommended Fluids and
Lubricantson page 7‑12for more information.
If your vehicle has the DURAMAX
®Diesel engine, see the DURAMAX®Diesel manual for more information.
Application Capacities
English Metric
Air Conditioning Refrigerant R134a For the air conditioning system refrigerant charge
amount, see the refrigerant caution label located
under the hood. See your dealer for more information.
Cooling System 4.3L V6 1500 Series 16.5 qt 15.6 L
4.8L V8 1500 Series 16.9 qt 16.0 L
5.3L V8 1500 Series 16.9 qt 16.0 L
6.0L V8 2500 Series and 3500 Series 16.4 qt 15.5 L
6.2L V8 1500 Series 16.8 qt 15.9 L
Engine Oil with Filter 4.3L V6 4.5 qt 4.3 L
4.8L V8; 5.3L V8; 6.0L V8; 6.2L V8 6.0 qt 5.7 L
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Page 574 of 630
Engine Specifications
EngineVIN CodeTransmission Spark Plug Gap
4.3L V6 (LU3) XAutomatic 0.060 in (1.52 mm)
4.8L V8 (L20) AAutomatic 0.040 in (1.02 mm)
5.3L V8 Flexible Fuel with
Active Fuel Management™
(Iron Block) (LMG) 0
Automatic 0.040 in (1.02 mm)
5.3L V8 Flexible Fuel with
Active Fuel Management™
(Aluminum Block) (LC9) 3
Automatic 0.040 in (1.02 mm)
6.0L V8 (Iron Block) (L96 or LY6) G or K Automatic0.040 in (1.02 mm)
6.2L V8 Flexible Fuel
(Aluminum Block) (L9H) 2
Automatic 0.040 in (1.02 mm)
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Section 7 Maintenance Schedule
Maintenance Schedule. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Scheduled Maintenance . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Owner Checks and Services . . . . . . . . . . . . . . . . . . . 7-11 Recommended Fluids and Lubricants . . . . . . . . . . 7-12
Maintenance Replacement Parts . . . . . . . . . . . . . . 7-15
Engine Drive Belt Routing . . . . . . . . . . . . . . . . . . . . . 7-16
Maintenance Record . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17
7-1