2012 GMC SIERRA 1500 maintenance

Black plate (12,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
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 specfication, or equivalent, of
the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is
recommended. See
Engine Oil on page 10‑7.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL coolant.
See
Engine Coolant on page 10‑19.
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 12377967, in
Canada 89021320).
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection
requirements.
Power Steering System GM Power Steering Fluid (GM Part No. 89021184, in Canada 89021186).
Automatic Transmission DEXRON®-VI Automatic Transmission Fluid.
Key Lock Cylinders Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).

Black plate (13,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Service and Maintenance 11-13
UsageFluid/Lubricant
Floor Shift Linkage Lubriplate Lubricant Aerosol (GM Part No. 12346293, in Canada 992723)
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).
Front Axle (1500, 2500 HD, and 3500 HD Series) SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 89021677, in
Canada 89021678).
Rear Axle SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 89021677, in
Canada 89021678).
Transfer Case (Four-Wheel Drive) DEXRON®-VI Automatic Transmission Fluid. Front Axle Propshaft Spline orOne-Piece Propshaft Spline
(Two-Wheel Drive with 4-Speed Auto. Trans.) Spline Lubricant, Special Lubricant (GM Part No. 12345879, in
Canada 10953511).
Rear Driveline Center Spline Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.

Black plate (14,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
11-14 Service and Maintenance
UsageFluid/Lubricant
Hood Hinges Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
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 992887).
Weatherstrip Squeaks Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in
Canada 10953437).

Black plate (15,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Service and Maintenance 11-15
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 Standard Filter 15908916* A3086C*
High Capacity Filter 15908915 A3085C
Oil Filter
4.3L V6 25010792 PF47
4.8L V8; 5.3L V8; 6.0L V8; 6.2L V8 89017524 PF48
Spark Plugs 4.3L V6 12568387 41-101
4.8L V8; 5.3L V8; 6.0L V8; 6.2L V8 12621258 41-110
Wiper Blades –55.0 cm (21.6 in) 25877402 —
*15908915 (A3085C) high-capacity air cleaner filter may be substituted.

Black plate (16,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
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 Sierra Owner Manual - 2012 - CRC - 11/15/11
Service and Maintenance 11-17
DateOdometer
Reading Serviced By Services Performed

Black plate (18,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
11-18 Service and Maintenance
DateOdometer
Reading Serviced By Services Performed

Black plate (6,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
13-6 Customer Information
Customer Assistance for
Text Telephone (TTY)
Users (U.S. and Canada)
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 Assistance Center. Any
TTY user can communicate with
GMC by dialing: 1-800-462-8583.
TTY users in Canada can dial
1-800-263-3830.
Online Owner Center
Manage your vehicle (U.S.) at
gmc.com. Click on“Owners,”
then “Manage My GMC/Owners
Login.”
Information and services
customized for your specific
vehicle —all in one convenient
place.
.Digital owner manual, warranty
information, and more.
.Storage for online service and
maintenance records.
.GMC dealer locator for service
nationwide.
.Exclusive privileges and offers.
.Recall notices for your specific
vehicle.
.OnStar and GM Cardmember
Services Earnings summaries. Other Helpful Links
GMC
—www.gmc.com
GMC Merchandise —
www.gmccollection.com
Help Center —
www.gmc.com/helpcenter
.FAQ (Frequently Asked
Questions)
.Contact Us
GMC Owner Centre (Canada)
gmcowner.ca
Take a trip to the GMC Owner
Centre:
.Chat live with online help
representatives.
.Use the Vehicle Tools section.
.Access third party enthusiast
sites and social media networks.
.Locate owner resources such
as lease-end, financing, and
warranty information.