fuel GMC SIERRA 1500 2015 Repair Manual

Black plate (14,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
11-14 Service and Maintenance
UsageFluid/Lubricant
Body Door Hinge Pins, Tailgate
Hinge and Linkage, and Fuel Door
Hinge Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Tailgate Handle Pivot Points, Hinges, Latch Bolt, and Linkage Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or Dielectric Silicone Grease (GM Part No. 12345579, in Canada 10953481).
Weatherstrip Squeaks Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in Canada 10953437).
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.
If your vehicle has a diesel engine, see the Duramax diesel supplement for more information.
Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter 22845992 A3181C
Oil Filter
4.3L V6 89017525 PF63
5.3L V8; 6.2L V8 89017525 PF63

Black plate (3,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Technical Data 12-3
ApplicationCapacities
Metric English
6.0L V8 5.7 L 6.0 qt
Fuel Tank 1500 Series Standard and Short Box 98.4 L 26.0 gal
1500 Series Long Box 128.7 L 34.0 gal
2500 Series and 3500 Series Standard Box 136.3 L 36.0 gal
2500 Series and 3500 Series Long Box 136.3 L 36.0 gal
3500 Series Chassis Cab 240.4 L 63.5 gal
3500 Chassis Cab –Front Tank 89.0 L 23.5 gal
3500 Chassis Cab –Rear Tank (if equipped) 151.4 L 40.0 gal
Transfer Case Fluid 1.5 L 1.6 qt
Wheel Nut Torque 190 Y140 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.

Black plate (6,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
13-6 Customer Information
.Model, year, color, and license
plate number of the vehicle.
.Odometer reading, Vehicle
Identification Number (VIN), and
delivery date of the vehicle.
.Description of the problem.
Coverage
Services are provided up to 5 years/
160 000 km (100,000 mi), whichever
comes first.
In the U.S., anyone driving the
vehicle is covered. In Canada, a
person driving the vehicle without
permission from the owner is not
covered.
Roadside Assistance is not a part of
the New Vehicle Limited Warranty.
General Motors North America and
GMC reserve the right to make any
changes or discontinue the
Roadside Assistance program at
any time without notification.
General Motors North America and
GMC reserve the right to limit
services or payment to an owner ordriver if they decide the claims are
made too often, or the same type of
claim is made many times.
Services Provided
.Emergency Fuel Delivery:
Delivery of enough fuel for the
vehicle to get to the nearest
service station.
.Lock-Out Service:
Service to
unlock the vehicle if you are
locked out. A remote unlock may
be available if you have
OnStar
®. For security reasons,
the driver must present
identification before this service
is given.
.Emergency Tow from a Public
Road or Highway: Tow to the
nearest GMC dealer for warranty
service, or if the vehicle was in a
crash and cannot be driven.
Assistance is also given when
the vehicle is stuck in the sand,
mud, or snow.
.Flat Tire Change: Service to
change a flat tire with the spare
tire. The spare tire, if equipped,
must be in good condition and
properly inflated. It is the owner's
responsibility for the repair or
replacement of the tire if it is not
covered by the warranty.
.Battery Jump Start: Service to
jump start a dead battery.
.Trip Interruption Benefits and
Assistance: If your trip is
interrupted due to a warranty
failure, incidental expenses may
be reimbursed during the
5 years/(160 000 km) 100,000 mi
Powertrain warranty period.
Items considered are hotel,
meals, and rental car.
Services Not Included in
Roadside Assistance
.Impound towing caused by
violation of any laws.
.Legal fines.

Black plate (7,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Customer Information 13-7
.Mounting, dismounting,
or changing of snow tires,
chains, or other traction devices.
.Towing or services for vehicles
driven on a non-public road or
highway.
Services Specific to
Canadian-Purchased Vehicles
.Fuel Delivery:Reimbursement
is up to 7 liters. Diesel fuel
delivery may be restricted.
Propane and other fuels are not
provided through this service.
.Lock-Out Service: Vehicle
registration is required.
.Trip Interruption Benefits and
Assistance: Must be over
150 kilometers from where your
trip was started to qualify.
General Motors of Canada
Limited requires
pre-authorization, original
detailed receipts, and a copy of
the repair orders. Once
authorization has been received,
the Roadside Assistance advisor will help to make arrangements
and explain how to receive
payment.
.Alternative Service:
If
assistance cannot be provided
right away, the Roadside
Assistance advisor may give
permission to get local
emergency road service. You will
receive payment, up to $100,
after sending the original receipt
to Roadside Assistance.
Mechanical failures may be
covered, however any cost for
parts and labor for repairs not
covered by the warranty are the
owner responsibility.
Scheduling Service
Appointments
When the vehicle requires warranty
service, contact your dealer and
request an appointment. By
scheduling a service appointment
and advising the service consultant of your transportation needs, your
dealer can help minimize your
inconvenience.
If the vehicle cannot be scheduled
into the service department
immediately, keep driving it until it
can be scheduled for service,
unless, of course, the problem is
safety related. If it is, please call
your dealership, let them know this,
and ask for instructions.
If your dealer requests you to bring
the vehicle for service, you are
urged to do so as early in the work
day as possible to allow for
same-day repair.
Courtesy Transportation
Program
To enhance your ownership
experience, we and our participating
dealers are proud to offer Courtesy
Transportation, a customer support
program for vehicles with the
Bumper-to-Bumper (Base Warranty
Coverage period in Canada),

Black plate (8,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
13-8 Customer Information
extended powertrain, and/or
hybrid-specific warranties in both
the U.S. and Canada.
Several Courtesy Transportation
options are available to assist in
reducing inconvenience when
warranty repairs are required.
Courtesy Transportation is not a
part of the New Vehicle Limited
Warranty. A separate booklet
entitled“Limited Warranty and
Owner Assistance Information”
furnished with each new vehicle
provides detailed warranty coverage
information.Transportation Options
Warranty service can generally be
completed while you wait. However,
if you are unable to wait, GM helps
to minimize inconvenience by
providing several transportation
options. Depending on the
circumstances, your dealer can offer
one of the following:
Shuttle Service
Shuttle service is the preferred
means of offering Courtesy
Transportation. Dealers may provide
shuttle service to get you to your
destination with minimal interruption
of your daily schedule. This includes
one-way or round-trip shuttle service
within reasonable time and distance
parameters of your dealer's area.
Public Transportation or Fuel
Reimbursement
If the vehicle requires overnight
warranty repairs, and public
transportation is used instead of
your dealer's shuttle service, the
expense must be supported by original receipts and can only be up
to the maximum amount allowed by
GM for shuttle service. In addition,
for U.S. customers, should you
arrange transportation through a
friend or relative, limited
reimbursement for reasonable fuel
expenses may be available. Claim
amounts should reflect actual costs
and be supported by original
receipts. See your dealer for
information regarding the allowance
amounts for reimbursement of fuel
or other transportation costs.
Courtesy Rental Vehicle
Your dealer may arrange to provide
you with a courtesy rental vehicle or
reimburse you for a rental vehicle
that you obtain if the vehicle is kept
for an overnight warranty repair.
Rental reimbursement will be limited
and must be supported by original
receipts. This requires that you sign
and complete a rental agreement
and meet state/provincial, local, and
rental vehicle provider requirements.
Requirements vary and may include
minimum age requirements,

Black plate (9,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Customer Information 13-9
insurance coverage, credit card, etc.
You are responsible for fuel usage
charges and may also be
responsible for taxes, levies, usage
fees, excessive mileage, or rental
usage beyond the completion of the
repair.
It may not be possible to provide a
like vehicle as a courtesy rental.
Additional Program
Information
All program options, such as shuttle
service, may not be available at
every dealer. Please contact your
dealer for specific information about
availability. All Courtesy
Transportation arrangements will be
administered by appropriate dealer
personnel.
General Motors reserves the right to
unilaterally modify, change,
or discontinue Courtesy
Transportation at any time and to
resolve all questions of claim
eligibility pursuant to the terms and
conditions described herein at its
sole discretion.
Collision Damage Repair
If the vehicle is involved in a
collision and it is damaged, have the
damage repaired by a qualified
technician using the proper
equipment and quality replacement
parts. Poorly performed collision
repairs diminish the vehicle resale
value, and safety performance can
be compromised in subsequent
collisions.
Collision Parts
Genuine GM Collision parts are new
parts made with the same materials
and construction methods as the
parts with which the vehicle was
originally built. Genuine GM
Collision parts are the best choice to
ensure that the vehicle's designed
appearance, durability, and safety
are preserved. The use of Genuine
GM parts can help maintain the GM
New Vehicle Limited Warranty.
Recycled original equipment parts
may also be used for repair. These
parts are typically removed fromvehicles that were total losses in
prior crashes. In most cases, the
parts being recycled are from
undamaged sections of the vehicle.
A recycled original equipment GM
part may be an acceptable choice to
maintain the vehicle's originally
designed appearance and safety
performance; however, the history of
these parts is not known. Such parts
are not covered by the GM New
Vehicle Limited Warranty, and any
related failures are not covered by
that warranty.
Aftermarket collision parts are also
available. These are made by
companies other than GM and may
not have been tested for the vehicle.
As a result, these parts may fit
poorly, exhibit premature durability/
corrosion problems, and may not
perform properly in subsequent
collisions. Aftermarket parts are not
covered by the GM New Vehicle
Limited Warranty, and any vehicle
failure related to such parts is not
covered by that warranty.

Black plate (14,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
13-14 Customer Information
In Canada, call 1-800-263-3777
(English) or 1-800-263-7854
(French), or write:
General Motors of Canada Limited
Customer Care Centre, Mail Code:
CA1-163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7Vehicle Data
Recording and
Privacy
The vehicle has a number of
computers that record information
about the vehicle’s performance and
how it is driven. For example, the
vehicle uses computer modules to
monitor and control engine and
transmission performance, to
monitor the conditions for airbag
deployment and deploy them in a
crash, and, if equipped, to provide
antilock braking to help the driver
control the vehicle. These modules
may store data to help the dealer
technician service the vehicle.
Some modules may also store data
about how the vehicle is operated,
such as rate of fuel consumption or
average speed. These modules may
retain personal preferences, such as
radio presets, seat positions, and
temperature settings.
Event Data Recorders
This vehicle is equipped with an
event data recorder (EDR). The
main purpose of an EDR is to
record, in certain crash or near
crash-like situations, such as an air
bag deployment or hitting a road
obstacle, data that will assist in
understanding how a vehicle’s
systems performed. The EDR is
designed to record data related to
vehicle dynamics and safety
systems for a short period of time,
typically 30 seconds or less. The
EDR in this vehicle is designed to
record such data as:
.How various systems in your
vehicle were operating;
.Whether or not the driver and
passenger safety belts were
buckled/fastened;
.How far (if at all) the driver was
depressing the accelerator and/
or brake pedal; and,
.How fast the vehicle was
traveling.

Black plate (4,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
14-4 OnStar
Destination Download:PressQ,
then request the Advisor to
download directions to the
navigation system in the vehicle (if
equipped). After the call ends, press
the “Go” button on the navigation
screen to begin driving directions.
If directions are downloaded to the
navigation system, the route can
only be canceled through the
navigation system.
Destinations can also be
downloaded on the go. For
information about eNav or
Destination Download, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Connections
Directions & Connections includes
the services that follow to help
customers stay connected.
For coverage maps, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada). WiFi Connectivity (If Equipped)
The vehicle has a WiFi hotspot that
provides a high-speed, wireless
Internet connection to connect
multiple mobile devices (data plan
required).
1. To retrieve WiFi hotspot
information, press
=and select
or say “WiFi settings.”
2. The WiFi settings will display the WiFi network name/SSID,
passphrase, and level of
encryption.
3. To change the SSID or passphrase, press
Qor call
1-888-4-ONSTAR to connect
with an Advisor.
OnStar RemoteLink
®Mobile App
(If Equipped)
Download the OnStar RemoteLink
mobile app to select Apple
®,
Android™, and BlackBerry®or
Windows 7 or 8 mobile devices.
From the mobile device, check the
vehicle’s fuel level, oil life, or tire pressure; or activate remote horn
and lights. Also remote start the
vehicle (if factory equipped) or
unlock the doors from anywhere
with a wireless connection (if
equipped with automatic locks).
With the Directions & Connections
service plan, a destination can be
sent to the vehicle. For OnStar
RemoteLink information and
compatibility, see www.onstar.com
(U.S.) or www.onstar.ca (Canada).
OnStar RemoteLink
®Key Fob
Services
This feature is included for five
years and allows for remote door
lock/unlock (if equipped with
automatic locks), remote start (if
factory equipped), or activation of
horn and lights from anywhere with
a wireless signal. Download the app
and start using it any time during the
trial period to get started.
OnStar Hands-Free Calling
This service allows calls to be made
and received from the vehicle.

Black plate (1,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
INDEX i-1
A
Accessories andModifications . . . . . . . . . . . . . . . . . 10-3
Accessory Power . . . . . . . . . . . . . . 9-28
Active Fuel Management
®. . . . . 9-31
Add-On Electrical Equipment . . . . . . . . . . . . . . . . . . . 9-97
Adding a Snow Plow or Similar Equipment . . . . . . . . . . . . 9-97
Additional Information OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-6
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . 11-9
Adjustable Throttle and Brake Pedal . . . . . . . . . . . . . . . . . . 9-24
Adjustments
Lumbar, Front Seats . . . . . . . . . . . 3-4
Air Cleaner/Filter, Engine . . . . . 10-17
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 8-9
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 8-8 Airbag System
Check . . . . . . . . . . . . . . . . . . . . . . . . 3-36
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . 3-27
Passenger Sensing System . . . . . . . . . . . . . . . . . . . . . . 3-30
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . 3-26
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . 3-27
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . 3-25
Where Are the Airbags? . . . . . . 3-23
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . 3-35
Light On-Off . . . . . . . . . . . . . . . . . . 5-18
On-Off Light . . . . . . . . . . . . . . . . . . 5-18
On-Off Switch . . . . . . . . . . . . . . . . 3-28
Passenger Status Indicator . . . 5-20
Readiness Light . . . . . . . . . . . . . . 5-18
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . 3-35
System Check . . . . . . . . . . . . . . . . 3-21
Alarm
Vehicle Security . . . . . . . . . . . . . . 2-11 All-Season Tires . . . . . . . . . . . . . . 10-51
All-Terrain Tires . . . . . . . . . . . . . . . 10-52
AM-FM Radio . . . . . . . . . . . . . . . . . . . 7-8
Antenna
Multi-band . . . . . . . . . . . . . . . . . . . . 7-11
Antilock Brake System (ABS) . . . . . . . . . . . . . . . . 9-47
Warning Light . . . . . . . . . . . . . . . . . 5-25
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . 10-98
Interior . . . . . . . . . . . . . . . . . . . . . 10-103
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . 13-5
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . . . 9-59
Assistance Systems for
Parking and Backing . . . . . . . . . 9-56
Audio Bluetooth . . . . . . . . . . . . . . . . . . . . . 7-21
Audio Players . . . . . . . . . . . . . . . . . 7-15 CD . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-15
Audio System Fixed Mast Antenna . . . . . . . . . . 7-11
Radio Reception . . . . . . . . . . . . . . 7-11
Theft-Deterrent Feature . . . . . . . . 7-2

Black plate (2,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
i-2 INDEX
AutomaticDimming Mirrors . . . . . . . . . . . . . . 2-16
Door Locks . . . . . . . . . . . . . . . . . . . . 2-8
Headlamp System . . . . . . . . . . . . . 6-3
Transmission . . . . . . . . . . . . . . . . . 9-33
Transmission Fluid . . . . . . . . . 10-14
Automatic Transmission
Manual Mode . . . . . . . . . . . . . . . . . 9-36
Shift Lock ControlFunction Check . . . . . . . . . . . 10-35
Auxiliary
Roof Mounted Lamp . . . . . . . . . . . 6-5
Auxiliary Jack . . . . . . . . . . . . . . . . . . 7-21
Axle, Front . . . . . . . . . . . . . . . . . . . . 10-32
Axle, Rear . . . . . . . . . . . . . . . . . . . . 10-33
B
Battery . . . . . . . . . . . . . . . . . . . . . . . 10-30 Jump Starting . . . . . . . . . . . . . . . 10-88
Load Management . . . . . . . . . . . . . 6-8
Power Protection . . . . . . . . . . . . . . 6-9
Voltage and ChargingMessages . . . . . . . . . . . . . . . . . . . 5-35
Blade Replacement, Wiper . . . 10-36
Blind Spot Mirrors . . . . . . . . . . . . . 2-16 Bluetooth
Overview . . . . . . . . 7-29, 7-31, 7-35, 7-40, 7-44
Bluetooth Audio . . . . . . . . . . . . . . . 7-21
Brake
Pedal and AdjustableThrottle . . . . . . . . . . . . . . . . . . . . . . 9-24
System Warning Light . . . . . . . . 5-24
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 10-28
Antilock . . . . . . . . . . . . . . . . . . . . . . . 9-47
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 9-49
Fluid . . . . . . . . . . . . . . . . . . . . . . . . 10-29
Parking . . . . . . . . . . . . . . . . . . . . . . . 9-48
System Messages . . . . . . . . . . . . 5-36
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
Break-In, New Vehicle . . . . . . . . . 9-23
Bulb Replacement . . . . . . . . . . . . 10-40 Center High-Mounted
Stoplamp (CHMSL) and
Cargo Lamp . . . . . . . . . . . . . . . 10-40
Fog Lamps . . . . . . . . . . . . . 6-5, 10-38
Halogen Bulbs . . . . . . . . . . . . . . 10-37
Headlamp Aiming . . . . . . . . . . . 10-37
Headlamps . . . . . . . . . . . . . . . . . 10-37
Headlamps, Front Turn Signal, Sidemarker, and
Parking Lamps . . . . . . . . . . . . 10-38 Bulb Replacement (cont'd)
License Plate Lamps . . . . . . . 10-40
Taillamps . . . . . . . . . . . . . . . . . . . 10-39
Taillamps, Turn Signal,
Stoplamps, and
Back-up Lamps . . . . . . . . . . . 10-39
Buying New Tires . . . . . . . . . . . . . 10-69
C
Calibration . . . . . . . . . . . . . . . . . . . . . . 5-5
California Fuel Requirements . . . . . . . . . . . 9-65
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 10-3
Warning . . . . . . . . . . . . . . . . . . . . . . 10-2
Canadian Vehicle Owners . . . . . . . . iii
Capacities and
Specifications . . . . . . . . . . . . . . . . 12-2
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 9-32
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Winter Driving . . . . . . . . . . . . . . . . 9-12
Card Reader SD . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-20
Cargo
Tie-Downs . . . . . . . . . . . . . . . . . . . . . 4-4