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Black plate (12,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 6/20/14
11-12 Service and Maintenance
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
This maintenance section applies to vehicles with a gasoline engine. If the vehicle has a diesel engine and/or an
Allison Transmission, see the maintenance schedule section in the Duramax diesel supplement.
Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer.Usage Fluid/Lubricant
Engine Oil Use only engine oil licensed to the dexos1
®specification of the proper SAE
viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. See
Engine Oil on page 10-8.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL
®coolant.
See Engine Coolant on page 10-18.
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19299818, in Canada 19299819).
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements.
Hydraulic Power Steering System (HD Only) GM Power Steering Fluid (GM Part No. 89021185, in Canada 89021186).
Automatic Transmission (All except 6.2L with 8-Speed transmission) DEXRON
®-VI Automatic Transmission Fluid.
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Black plate (13,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 6/20/14
Service and Maintenance 11-13
UsageFluid/Lubricant
Automatic Transmission (6.2L with 8-Speed transmission) DEXRON
®-HP Automatic Transmission Fluid (GM Part No. 19300536, in
Canada 19300537).
Transfer Case (Four-Wheel Drive) DEXRON
®-VI Automatic Transmission Fluid.
Floor Shift Linkage Lubriplate Lubricant Aerosol (GM Part No. 89021668, in Canada 89021674) or lubricant meeting requirements of NLGI #2 Category LB or GC-LB.
Chassis Lubrication Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Front Axle (1500 Series) –
Four-Wheel Drive SAE 80W-90 Axle Lubricant (GM Part No. 89021671, in
Canada 89021672).
Rear Axle (1500) SAE 75W-85 Synthetic Axle Lubricant (GM Part No. 19300457, in Canada 19300458).
Front and Rear Axle (2500/3500) SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88900401, in Canada 89021678).
Front Axle Driveshaft Splines (All
1500/2500/3500 Series) and Rear Axle Driveshaft Splines (All 1500
Series with Automatic Transmission) Spline Lubricant, Special Lubricant (GM Part No. 19257121, in
Canada 19257122).
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Black plate (14,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 6/20/14
11-14 Service and Maintenance
UsageFluid/Lubricant
Key Lock Cylinders, Hood Hinges, Body Door Hinge Pins, Tailgate
Hinge and Linkage, Fuel Door Hinge, 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 15908915 A3085C
Oil Filter
5.3L V8 89017525 PF63
6.2L V8 89017525 PF63
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Black plate (15,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 6/20/14
Service and Maintenance 11-15
PartGM Part Number ACDelco Part Number
6.0L V8 89017524PF48
Passenger Compartment Air Filter 22808781CF188
Spark Plugs 5.3L V8 1262244141–114
6.2L V8 1262244141–114
6.0L V8 1262125841–110
Wiper Blades Driver Side –55 cm (21.7 in) 22754397-
Passenger Side –55 cm (21.7 in) 22754398-
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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
Page 394 of 439
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 11-17
DateOdometer
Reading Serviced By Services Performed
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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
DateOdometer
Reading Serviced By Services Performed
Page 403 of 439

Black plate (4,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 6/20/14
13-4 Customer Information
Canada
General Motors of Canada Limited
Customer Care Centre, Mail Code:
CA1-163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
www.gmc.ca
1-800-263-3777 (English)
1-800-263-7854 (French)
1-800-263-3830 (For Text
Telephone Devices (TTYs))
Roadside Assistance:
1-800-268-6800
Overseas
Please contact the local General
Motors Business Unit.
Customer Assistance for
Text Telephone (TTY)
Users
To assist customers who are deaf,
hard of hearing, or speech-impaired
and who use Text Telephones
(TTYs), GMC has TTY equipment
available at its Customer AssistanceCenter. Any TTY user in the U.S.
can communicate with GMC by
dialing: 1-800-462-8583. TTY users
in Canada can dial 1-800-263-3830.
Online Owner Center
Online Owner Experience
(U.S.) my.gmc.com
The GMC online owner experience
is a one-stop resource that allows
interaction with GMC and keeps
important vehicle-specific
information in one place.
Membership Benefits
E(Vehicle Information):
Download owner manuals and view
vehicle-specific how-to videos.
G(Maintenance Information):
View maintenance schedules,
alerts, OnStar onboard vehicle
diagnostic information, and
schedule service appointments.
I(Service History): View and
print dealer-recorded service
records and self-recorded service
records.
D(Preferred Dealer
Information): Select a preferred
dealer and view dealer location,
maps, phone numbers, and hours.
J(Warranty Tracking
Information): Track the vehicle’s
warranty information.
J(Recall Information): View
active recalls by Vehicle
Identification Number (VIN). See
Vehicle Identification Number (VIN)
on page 12-1.
H(Other Account Information):
View GM Card, SiriusXM Satellite
radio, and OnStar account
information.
F(Live Chat Support): Chat live
with online help representatives.
Visit my.gmc.com to register your
vehicle.