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Footnotes—MaintenanceSchedule Additional RequiredServices - Normal
(1)Or every two years, whichevercomes first. More frequentreplacement may be needed if thevehicle is driven in areas with heavytraffic, poor air quality, areas withhigh dust levels or are sensitive toenvironmental allergens. Filterreplacement may also be needed ifyou notice reduced airflow, windowsfogging up, or odors. Your local GMService location can help youdetermine when it is the right time toreplace your filter.
(2)Or every four years, whichevercomes first. If driving in dustyconditions, inspect the filter at eachoil change or more often as needed.
(3)Visually check all fuel and vaporlines and hoses for properattachment, connection, routing, andcondition.
(4)Do not directly power wash thetransfer case and/or front/rear axleoutput seals. High pressure watercan overcome the seals andcontaminate the fluid. Contaminatedfluid will decrease the life of thetransfer case and/or drive axles andshould be replaced.
(5)Or every five years, whichevercomes first. SeeCoolingSystem0368.
(6)Or every 10 years, whichevercomes first. Inspect for fraying,excessive cracking, or damage;replace, if needed.
(7)Replace brake fluid every fiveyears. SeeBrake Fluid0377.
(8)Replace clutch fluid every threeyears. SeeHydraulic Clutch0366.
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Maintenance ScheduleAdditional RequiredServices - Severe
12 000 km/7,500 mi24 000 km/15,000 mi36 000 km/22,500 mi48 000 km/30,000 mi60 000 km/37,500 mi72 000 km/45,000 mi84 000 km/52,500 mi96 000 km/60,000 mi108 000 km/67,500 mi120 000 km/75,000 mi132 000 km/82,500 mi144 000 km/90,000 mi156 000 km/97,500 mi168 000 km/105,000 mi180 000 km/112,500 mi192 000 km/120,000 mi204 000 km/127,500 mi216 000 km/135,000 mi228 000 km/142,500 mi240 000 km/150,000 mi
Rotate tires and perform Required Services.Check engine oil level and oil life percentage.Change engine oil and filter, if needed.@@@@@@@@@@@@@@@@@@@@
Replace passenger compartment air filter. (1)@@@@@@
Replace engine air cleaner filter. (2)@@@
Inspect evaporative control system. (3)@@@
Replace spark plugs. Inspect spark plug wires.@
Change automatic transmission fluid and filter.@@@
For GVW under 3 900 kg (8,600 lb), changetransfer case fluid, if equipped with 4WD. (4)@@@
For GVW over 3 900 kg (8,600 lb), changetransfer case fluid, if equipped with 4WD. (4)@@@@@@
Drain and fill engine cooling system. (5)@
Visually inspect accessory drive belts. (6)@
Replace brake fluid. (7)
Replace clutch fluid. (8)
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Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
458 Service and Maintenance
Footnotes—MaintenanceSchedule Additional RequiredServices - Severe
(1)Or every two years, whichevercomes first. More frequentreplacement may be needed if thevehicle is driven in areas with heavytraffic, poor air quality, areas withhigh dust levels or are sensitive toenvironmental allergens. Filterreplacement may also be needed ifyou notice reduced airflow, windowsfogging up, or odors. Your local GMService location can help youdetermine when it is the right time toreplace your filter.
(2)Or every four years, whichevercomes first. If driving in dustyconditions, inspect the filter at eachoil change or more often as needed.
(3)Visually check all fuel and vaporlines and hoses for properattachment, connection, routing, andcondition.
(4)Do not directly power wash thetransfer case and/or front/rear axleoutput seals. High pressure watercan overcome the seals andcontaminate the fluid. Contaminatedfluid will decrease the life of thetransfer case and/or drive axles andshould be replaced.
(5)Or every five years, whichevercomes first. SeeCoolingSystem0368.
(6)Or every 10 years, whichevercomes first. Inspect for fraying,excessive cracking, or damage;replace, if needed.
(7)Replace brake fluid every fiveyears. SeeBrake Fluid0377.
(8)Replace clutch fluid every threeyears. SeeHydraulic Clutch0366.
Special Application
Services
.Vehicles with Dual Wheels:Check dual wheel nut torque at160, 1 600, and 10 000 km (100,1,000, and 6,000 mi) of driving.Repeat this service whenever atire/wheel is serviced orremoved.
.Severe Commercial UseVehicles Only: Lubricate chassiscomponents every oil change.
.Have underbody flushing serviceperformed. See“UnderbodyMaintenance”inExteriorCare0441.
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Additional
Maintenance and Care
Yo u r v e h i c l e i s a n i m p o r t a n tinvestment and caring for it properlymay help to avoid future costlyrepairs. To maintain vehicleperformance, additionalmaintenance services may berequired.
It is recommended that your dealerperform these services—theirtrained dealer technicians knowyour vehicle best. Your dealer canalso perform a thoroughassessment with a multi-pointinspection to recommend when yourvehicle may need attention.
The following list is intended toexplain the services and conditionsto look for that may indicateservices are required.
Battery
The 12-volt battery supplies powerto start the engine and operate anyadditional electrical accessories.
.To a v o i d b r e a k - d o w n o r f a i l u r e t ostart the vehicle, maintain abattery with full cranking power.
.Trained dealer technicians havethe diagnostic equipment to testthe battery and ensure that theconnections and cables arecorrosion-free.
Belts
.Belts may need replacing if theysqueak or show signs ofcracking or splitting.
.Trained dealer technicians haveaccess to tools and equipmentto inspect the belts andrecommend adjustment orreplacement when necessary.
Brakes
Brakes stop the vehicle and arecrucial to safe driving.
.Signs of brake wear may includechirping, grinding, or squealingnoises, or difficulty stopping.
.Trained dealer technicians haveaccess to tools and equipmentto inspect the brakes andrecommend quality partsengineered for the vehicle.
Fluids
Proper fluid levels and approvedfluids protect the vehicle’ssystemsand components. SeeRecommended Fluids andLubricants0462for GM approvedfluids.
.Engine oil and windshieldwasher fluid levels should bechecked at every fuel fill.
.Instrument cluster lights maycome on to indicate that fluidsmay be low and need to befilled.
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Hoses
Hoses transport fluids and shouldbe regularly inspected to ensurethat there are no cracks or leaks.With a multi-point inspection, yourdealer can inspect the hoses andadvise if replacement is needed.
Lamps
Properly working headlamps,taillamps, and brake lamps areimportant to see and be seen onthe road.
.Signs that the headlamps needattention include dimming, failureto light, cracking, or damage.The brake lamps need to bechecked periodically to ensurethat they light when braking.
.With a multi-point inspection,your dealer can check the lampsand note any concerns.
Shocks and Struts
Shocks and struts help aid in controlfor a smoother ride.
.Signs of wear may includesteering wheel vibration, bounce/sway while braking, longerstopping distance, or uneventire wear.
.As part of the multi-pointinspection, trained dealertechnicians can visually inspectthe shocks and struts for signsof leaking, blown seals,or damage, and can advisewhen service is needed.
Tires
Tires need to be properly inflated,rotated, and balanced. Maintainingthe tires can save money and fuel,and can reduce the risk of tirefailure.
.Signs that the tires need to bereplaced include three or morevisible treadwear indicators; cordor fabric showing through therubber; cracks or cuts in thetread or sidewall; or a bulge orsplit in the tire.
.Trained dealer technicians caninspect and recommend the righttires. Your dealer can alsoprovide tire/wheel balancingservices to ensure smoothvehicle operation at all speeds.Yo u r d e a l e r s e l l s a n d s e r v i c e sname brand tires.
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Vehicle Care
To h e l p k e e p t h e v e h i c l e l o o k i n g l i k enew, vehicle care products areavailable from your dealer. Forinformation on how to clean andprotect the vehicle’sinteriorandexterior, seeInterior Care0446andExterior Care0441.
Wheel Alignment
Wheel alignment is critical forensuring that the tires deliveroptimal wear and performance.
.Signs that the alignment mayneed to be adjusted includepulling, improper vehiclehandling, or unusual tire wear.
.Yo u r d e a l e r h a s t h e r e q u i r e dequipment to ensure properwheel alignment.
Windshield
For safety, appearance, and thebest viewing, keep the windshieldclean and clear.
.Signs of damage includescratches, cracks, and chips.
.Trained dealer technicians caninspect the windshield andrecommend proper replacementif needed.
Wiper Blades
Wiper blades need to be cleanedand kept in good condition toprovide a clear view.
.Signs of wear include streaking,skipping across the windshield,and worn or split rubber.
.Trained dealer technicians cancheck the wiper blades andreplace them when needed.
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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 anAllison Transmission, see“Recommended Fluids and Lubricants”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
Automatic Transmission (6-SpeedTransmission)DEXRON®-VI Automatic Transmission Fluid.
Automatic Transmission (8-SpeedTransmission)DEXRON®-HP Automatic Transmission Fluid (GM Part No. 19331925, inCanada 19300537).
Chassis Lubrication Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) orlubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Engine Coolant50/50 mixture of clean, drinkable water and use only DEX-COOL®coolant.SeeEngine Coolant0369.
Engine Oil Engine oil meeting the dexos1™specification of the proper SAE viscositygrade. ACDelco dexos1 Synthetic Blend is recommended. SeeEngineOil0359.
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.
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UsageFluid/Lubricant
Front Axle Driveshaft Splines (All 4WD1500/2500/3500 Series) and Rear AxleDriveshaft Splines (All 2WD 1500Series with Automatic Transmission)
Spline Lubricant, Special Lubricant (GM Part No. 19257121, inCanada 19257122).
Front Axle (Four-Wheel Drive) SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88900401, inCanada 89021678).
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19299818, inCanada 19299819).
Hydraulic Clutch System DOT 4 Hydraulic Brake Fluid (GM Part No. 19299570).
Hydraulic Power Steering System(2500/3500 Series Only)GM Power Steering Fluid (GM Part No. 19329450, in Canada 19329451).
Key Lock Cylinders, Hood Hinges,Body Door Hinge Pins, Tailgate Hingeand Linkage, Fuel Door Hinge, TailgateHandle Pivot Points, Hinges, LatchBolt, and Linkage
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, inCanada 10953474).
Manual Transmission Manual Transmission Fluid (GM Part No. 93436060).
Rear Axle (1500 Series) SAE 75W-85 Synthetic Axle Lubricant (GM Part No. 19300457, inCanada 19300458).
Rear Axle (2500/3500 Series) SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88900401, inCanada 89021678).