Workshop Repair and Service Manuals GMC SIERRA

Additional Maintenance and Care


Your vehicle is an important investment and caring for it properly may help to avoidfuture costly repairs. To maintain vehicle performance, additional maintenance servicesmay be required. It is recommended that your dealer perform these services — theirtrained dealer technicians know your vehicle best. Your dealer can also perform athorough assessment with a multi-point inspection to recommend when your vehicle mayneed attention.The following list is intended to explain the services and conditions to look forthat may indicate services are required.


The battery supplies power to start the engine and operate any additional electricalaccessories.

To avoid break-down or failure to start the vehicle, maintain a battery with fullcranking power.Trained dealer technicians have the diagnostic equipment to test the battery and ensurethat the connections and cables are corrosion-free.


Belts may need replacing if they squeak or show signs of cracking or splitting.Trained dealer technicians have access to tools and equipment to inspect the beltsand recommend adjustment or replacement when necessary.


Brakes stop the vehicle and are crucial to safe driving.

Signs of brake wear may include chirping, grinding, or squealing noises, or difficultystopping.Trained dealer technicians have access to tools and equipment to inspect the brakesand recommend quality parts engineered for the vehicle.


Proper fluid levels and approved fluids protect the vehicle’s systems and components.SeeRecommended Fluids and Lubricantsfor GM approved fluids.

Engine oil and windshield washer fluid levels should be checked at every fuel fill.Instrument cluster lights may come on to indicate that fluids may be low and needto be filled.


Hoses transport fluids and should be regularly inspected to ensure that there areno cracks or leaks. With a multi-point inspection, your dealer can inspect the hosesand advise if replacement is needed.


Properly working headlamps, taillamps, and brake lamps are important to see and beseen on the road.

Signs that the headlamps need attention include dimming, failure to light, cracking,or damage. The brake lamps need to be checked periodically to ensure that they lightwhen braking.With a multi-point inspection, your dealer can check the lamps and note any concerns.

Shocks and Struts

Shocks and struts help aid in control for a smoother ride.

Signs of wear may include steering wheel vibration, bounce/sway while braking, longerstopping distance, or uneven tire wear.As part of the multi-point inspection, trained dealer technicians can visually inspectthe shocks and struts for signs of leaking, blown seals, or damage, and can advisewhen service is needed.


Tires need to be properly inflated, rotated, and balanced. Maintaining the tires cansave money, fuel, and can reduce the risk of tire failure.

Signs that the tires need to be replaced include three or more visible treadwear indicators;cord or fabric showing through the rubber; cracks or cuts in the tread or sidewall;or a bulge or split in the tire.Trained dealer technicians can inspect and recommend the right tires. Your dealercan also provide tire/wheel balancing services to ensure smooth vehicle operationat all speeds. Your dealer sells and services name brand tires.

Vehicle Care

To help keep the vehicle looking like new, vehicle care products are available fromyour dealer. For information on how to clean and protect the vehicle’s interior andexterior, see “Interior Care” and “Exterior Care” in the owner manual.

Wheel Alignment

Wheel alignment is critical for ensuring that the tires deliver optimal wear and performance.

Signs that the alignment may need to be adjusted include pulling, improper vehiclehandling, or unusual tire wear.Your dealer has the required equipment to ensure proper wheel alignment.


For safety, appearance, and the best viewing, keep the windshield clean and clear.

Signs of damage include scratches, cracks, and chips.Trained dealer technicians can inspect the windshield and recommend proper replacementif needed.

Wiper Blades

Wiper blades need to be cleaned and kept in good condition to provide a clear view.

Signs of wear include streaking, skipping across the windshield, and worn or splitrubber.Trained dealer technicians can check the wiper blades and replace them when needed.
Maintenance Items     The Normal Maintenance Replacement Parts information willonly be found in the Owner's Manual. Refer to the MaintenanceSchedule subsection of the Owner's Manual. You may be able to use the Search information function usingthe...
Natural Gas Vehicle (CNG) Service Records     Vehicle Identification Number (VIN) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - CNG Tank Information Size Capacity* Serial #...
MIG Welded Full Panel Replacement     Removal Procedure Warning:Refer toApproved Equipment for Collision Repair Warning. Note:Use this procedure for all panels that are replaced at thefactory seams, unless a specific procedure exists in the CollisionRepair...
Recommended Fluids and Lubricants     This maintenance section applies to vehicles with a gasoline engine. If the vehiclehas a diesel engine and/or an Allison Transmission, see the maintenance schedule sectionin the Duramax diesel supplement. Fluids and...
General Information     This maintenance section applies to vehicles with a dieselengine. For gasoline engine vehicles, see the maintenance schedulesection in the owner manual. Your vehicle is an important investment. This sectiondescribes the...
Doing Your Own Service Work     If the vehicle is a hybrid, see the hybrid supplement for more information. Warning:It can be dangerous to work on your vehicle if you do not have the proper knowledge,service manual, tools, or parts. Always follow owner...