2015 GMC SIERRA DENALI Owners Manual

Black plate (16,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 6/20/14
11-16 Service and Maintenance
Maintenance Records After the scheduled services are performed, record the date, odometer reading, who performed the service, and the
type of services performed in the boxes provided. Retain all maintenance receipts.
Date Odometer
Reading Serviced By Services Performed

Black plate (17,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 6/20/14
Service and Maintenance 11-17Date Odometer
Reading Serviced By Services Performed

Black plate (18,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 6/20/14
11-18 Service and Maintenance Date Odometer
Reading Serviced By Services Performed

Black plate (1,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 6/20/14
Technical Data 12-1
Technical Data Vehicle Identification Vehicle Identification
Number (VIN) . . . . . . . . . . . . . . 12-1
Service Parts Identification
Label . . . . . . . . . . . . . . . . . . . . . . . 12-1
Vehicle Data Capacities and
Specifications . . . . . . . . . . . . . . 12-2
Engine Drive Belt Routing . . . 12-4 Vehicle Identification Vehicle Identification
Number (VIN)
This legal identifier is in the front
corner of the instrument panel, on
the left side of the vehicle. It can be
seen through the windshield from
outside. The VIN also appears on
the Vehicle Certification 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 12-2 for 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.

Black plate (2,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 6/20/14
12-2 Technical Data
Vehicle Data Capacities and Specifications The following approximate capacities are given in metric and English conversions. See Recommended Fluids and
Lubricants on page 11-12 .
If the vehicle has a diesel engine, see the Duramax diesel supplement.
Application Capacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and
charge amount, see the refrigerant label under the
hood. See your dealer for more information.
Cooling System
5.3L V8 15.7 L 16.6 qt
6.0L V8 16.1 L 17.0 qt
6.2L V8 15.7 L 16.6 qt
Engine Oil with Filter
5.3L V8 8.0 L 8.5 qt
6.0L V8 5.7 L 6.0 qt
6.2L V8 8.0 L 8.5 qt

Black plate (3,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 6/20/14
Technical Data 12-3Application Capacities
Metric English
Fuel Tank
1500 Series 98.4 L 26.0 gal
2500 Series and 3500 Series Standard Box 136.3 L 36.0 gal
3500 Series Long Box 136.3 L 36.0 gal
Transfer Case Fluid 1.5 L 1.6 qt
Wheel Nut Torque 190 Y 140 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.
Engine SpecificationsEngine VIN Code Spark Plug Gap
5.3L V8 (L83) C 0.95 – 1.10 mm (0.037 –
0.043 in)
6.0L V8 (L96) G 0.95 – 1.10 mm (0.037 –
0.043 in)
6.2L V8 (L86) J 0.95 – 1.10 mm (0.037 –
0.043 in)

Black plate (4,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 6/20/14
12-4 Technical Data
Engine Drive Belt Routing
5.3L and 6.2L V8 Engines 6.0L V8 Engines
If the vehicle has a diesel engine,
see the Duramax diesel
supplement.

Black plate (1,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 6/20/14
Customer Information 13-1
Customer
Information Customer Information Customer Satisfaction
Procedure . . . . . . . . . . . . . . . . . . 13-1
Customer Assistance
Offices . . . . . . . . . . . . . . . . . . . . . 13-3
Customer Assistance for Text
Telephone (TTY) Users . . . . . 13-4
Online Owner Center . . . . . . . . 13-4
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . 13-5
Roadside Assistance
Program . . . . . . . . . . . . . . . . . . . . 13-5
Scheduling Service
Appointments . . . . . . . . . . . . . . 13-7
Courtesy Transportation
Program . . . . . . . . . . . . . . . . . . . . 13-8
Collision Damage Repair . . . . 13-9
Service Publications
Ordering Information . . . . . . 13-11
Radio Frequency
Identification (RFID) . . . . . . . 13-12
Radio Frequency
Statement . . . . . . . . . . . . . . . . . 13-12 Reporting Safety Defects Reporting Safety Defects to
the United States
Government . . . . . . . . . . . . . . . 13-13
Reporting Safety Defects to
the Canadian
Government . . . . . . . . . . . . . . . 13-13
Reporting Safety Defects to
General Motors . . . . . . . . . . . 13-13
Vehicle Data Recording and
Privacy Vehicle Data Recording and
Privacy . . . . . . . . . . . . . . . . . . . . 13-14
Event Data Recorders . . . . . . 13-14
OnStar ®
. . . . . . . . . . . . . . . . . . . . 13-15
Infotainment System . . . . . . . . 13-15 Customer Information Customer Satisfaction
Procedure Your satisfaction and goodwill are
important to your dealer and to
GMC. Normally, any concerns with
the sales transaction or the
operation of the vehicle will be
resolved by your dealer's sales or
service departments. Sometimes,
however, despite the best intentions
of all concerned, misunderstandings
can occur. If your concern has not
been resolved to your satisfaction,
the following steps should be taken:
STEP ONE: Discuss your concern
with a member of dealership
management. Normally, concerns
can be quickly resolved at that level.
If the matter has already been
reviewed with the sales, service,
or parts manager, contact the owner
of your dealership or the general
manager.