
Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
366 Vehicle Care
Consistency of Readings
Always check the fluid level at leasttwice using the procedure describedpreviously. Consistency (repeatablereadings) is important to maintainingproper fluid level. If readings are stillinconsistent, contact the dealer.
Automatic Transmission
Fluid (8-Speed
Transmission)
When to Check and Change
Automatic Transmission Fluid
It is usually not necessary to checkthe transmission fluid level. The onlyreason for fluid loss is atransmission leak or overheatedtransmission. This vehicle is notequipped with a transmission fluidlevel dipstick. There is a specialprocedure for checking andchanging the transmission fluid inthese vehicles. Because thisprocedure is difficult, this should be
done at the dealer. Contact thedealer for additional information orthe procedure can be found in theservice manual. SeeServicePublications OrderingInformation0481.
Caution
Use of the incorrect automatic
transmission fluid may damage
the vehicle, and the damage may
not be covered by the vehicle
warranty. Always use the
automatic transmission fluid listed
inRecommended Fluids and
Lubricants0462.
Change the fluid and filter at thescheduled maintenance intervalslisted inMaintenance Schedule0452.Besuretousethetransmission fluid listed inRecommended Fluids andLubricants0462.
Manual Transmission
Fluid
It is not necessary to check themanual transmission fluid level.Atransmissionfluidleakistheonlyreason for fluid loss. If a leakoccurs, take the vehicle to yourdealer service department and haveit repaired as soon as possible. SeeRecommended Fluids andLubricants0462for the proper fluidto use.
Hydraulic Clutch
For vehicles with a manualtransmission, it is not necessary toregularly check clutch fluid unlessyou suspect there is a leak in thesystem. Adding fluid will not correctaleak.Afluidlossinthissystemcould indicate a problem. Have thesystem inspected and repaired.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
Service and Maintenance 451
Service and
Maintenance
General Information
General Information . . . . . . . . . . 451
Maintenance Schedule
Maintenance Schedule . . . . . . . 452
Special Application Services
Special ApplicationServices . . . . . . . . . . . . . . . . . . . . 458
Additional Maintenance
and Care
Additional Maintenanceand Care . . . . . . . . . . . . . . . . . . . . 459
Recommended Fluids,
Lubricants, and Parts
Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 462Maintenance ReplacementParts . . . . . . . . . . . . . . . . . . . . . . . . 464
Maintenance Records
Maintenance Records . . . . . . . . 466
General Information
This maintenance section applies tovehicles with a gasoline engine. Fordiesel engine vehicles, see"Maintenance Schedule" in theDuramax diesel supplement.
Yo u r v e h i c l e i s a n i m p o r t a n tinvestment. This section describesthe required maintenance for thevehicle. Follow this schedule to helpprotect against major repairexpenses resulting from neglect orinadequate maintenance. It mayalso help to maintain the value ofthe vehicle if it is sold. It is theresponsibility of the owner to haveall required maintenance performed.
Yo u r d e a l e r h a s t r a i n e d t e c h n i c i a n swho can perform requiredmaintenance using genuinereplacement parts. They haveup-to-date tools and equipment forfast and accurate diagnostics. Manydealers have extended evening andSaturday hours, courtesytransportation, and onlinescheduling to assist with serviceneeds.
Yo u r d e a l e r r e c o g n i z e s t h eimportance of providingcompetitively priced maintenanceand repair services. With trainedtechnicians, the dealer is the placefor routine maintenance such as oilchanges and tire rotations andadditional maintenance items liketires, brakes, batteries, and wiperblades.
Caution
Damage caused by improper
maintenance can lead to costly
repairs and may not be covered
by the vehicle warranty.
Maintenance intervals, checks,
inspections, recommended fluids,
and lubricants are important to
keep the vehicle in good working
condition.
The Tire Rotation and RequiredServices are the responsibility of thevehicle owner. It is recommended tohave your dealer perform theseservices every 12 000 km/7,500 mi.Proper vehicle maintenance helps to

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
452 Service and Maintenance
keep the vehicle in good workingcondition, improves fuel economy,and reduces vehicle emissions.
Because of the way people usevehicles, maintenance needs vary.There may need to be morefrequent checks and services.
Normal Service
All maintenance services, includingthose listed under AdditionalRequired Services, are forvehicles that:
.Carry passengers and cargowithin recommended limits onthe Tire and Loading Informationlabel. SeeVehicle LoadLimits0259.
.Are driven on reasonable roadsurfaces within legal drivinglimits.
.Use the recommended fuel. SeeFuel0311.
Severe Service
In addition to the normal serviceschedule, some vehicles requireservice more often. Severe serviceis for vehicles that are:
.Mainly driven in heavy city trafficin hot weather.
.Mainly driven in hilly ormountainous terrain.
.Frequently towing a trailer.
.Used for high-speed orcompetitive driving.
.Used for taxi, police, or deliveryservice.
{Warning
Performing maintenance work can
be dangerous and can cause
serious injury. Perform
maintenance work only if the
required information, proper tools,
and equipment are available.
If they are not, see your dealer to
have a trained technician do the
work. SeeDoing Your Own
Service Work0353.
Maintenance
Schedule
Owner Checks and Services
At Each Fuel Stop
.Check the engine oil level. SeeEngine Oil0359.
Once a Month
.Check the tire inflationpressures. SeeTirePressure0405.
.Inspect the tires for wear. SeeTire Inspection0411.
.Check the windshield washerfluid level. SeeWasherFluid0375.
Engine Oil Change
When the CHANGE ENGINE OILSOON message displays, have theengine oil and filter changed withinthe next 1 000 km/600 mi. If drivenunder the best conditions, theengine oil life system may notindicate the need for vehicle servicefor up to a year. The engine oil andfilter must be changed at least once

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
Service and Maintenance 453
ayearandtheoillifesystemmustbe reset. Your trained dealertechnician can perform this work.If the engine oil life system is resetaccidentally, service the vehiclewithin 5 000 km/3,000 mi since thelast service. Reset the oil lifesystem when the oil is changed.SeeEngine Oil Life System0362.
Passenger Compartment Air
Filter
The passenger compartment airfilter removes dust, pollen, andother airborne irritants from outsideair that is pulled into the vehicle.The filter should be replaced as partof routine scheduled maintenance.Inspect the passenger compartmentair filter every 36 000 km/22,500 miles or two years,whichever comes first. Replace ifnecessary. More frequentreplacement may be needed if thevehicle is driven in areas with heavytraffic, areas with poor air quality,or areas with high dust levels.
Replacement may also be needed ifthere is a reduction in air flow,excessive window fogging, or odors.
Tire Rotation and Required
Services Every 12 000 km/
7,500 mi
Rotate the tires, if recommended forthe vehicle, and perform thefollowing services. SeeTireRotation0412.
.Check engine oil level and oillife percentage. If needed,change engine oil and filter, andreset oil life system. SeeEngineOil0359andEngine Oil LifeSystem0362.
.Check engine coolant level. SeeEngine Coolant0369.
.Check windshield washer fluidlevel. SeeWasher Fluid0375.
.Visually inspect windshield wiperblades for wear, cracking,or contamination. SeeExteriorCare0441.Replacewornordamaged wiper blades. SeeWiper BladeReplacement0384.
.Check tire inflation pressures.SeeTire Pressure0405.
.Inspect tire wear. SeeTireInspection0411.
.Visually check for fluid leaks.
.Inspect engine air cleaner filter.SeeEngine Air Cleaner/Filter0367.
.Inspect brake system. SeeExterior Care0441.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
Service and Maintenance 455
Additional Required Services
Maintenance ScheduleAdditional RequiredServices - Normal
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.@
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)

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
456 Service and Maintenance
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.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
Service and Maintenance 457
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)

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.