cooling CHEVROLET TAHOE 2019 Owner's Guide

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12460269) - 2019 - CRC - 9/11/18
404 Service and Maintenance
Tire Rotation and Required
Services Every 12 000 km/
7,500 mi
Rotate the tires, if recommended for
the vehicle, and perform the
following services. SeeTire
Rotation 0362.
. Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system. See Engine
Oil 0309 andEngine Oil Life
System 0311.
. Check engine coolant level. See
Cooling System 0317.
. Check windshield washer fluid
level. See Washer Fluid 0323.
. Check tire inflation pressures,
including the spare. See Tire
Pressure 0355. .
Inspect tire wear. See Tire
Inspection 0362.
. Visually check for fluid leaks.
. Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter
0 316.
. Inspect brake system. See
Exterior Care 0391.
. Visually inspect steering,
suspension, and chassis
components for damage,
including cracks or tears in the
rubber boots, loose or missing
parts, or signs of wear at least
once a year. See Exterior Care
0 391. Lubricate the suspension
and steering components at
least every other oil change (if
equipped with grease fittings). .
Inspect power steering for
proper attachment, connections,
binding, leaks, cracks,
chafing, etc.
. Visually inspect halfshafts and
drive shafts for excessive wear,
lubricant leaks, and/or damage
including: tube dents or cracks,
constant velocity joint or
universal joint looseness,
cracked or missing boots, loose
or missing boot clamps, center
bearing excessive looseness,
loose or missing fasteners, and
axle seal leaks.
. Check restraint system
components. See Safety System
Check 092.
. Visually inspect fuel system for
damage or leaks.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12460269) - 2019 - CRC - 9/11/18
406 Service and Maintenance
Maintenance Schedule
Additional Required
Services - Normal12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 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)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@
Change transfer case fluid, if equipped with
4WD. (4)@
Replace spark plugs. Inspect spark plug wires.@
Drain and fill engine cooling system. (5)@
Visually inspect accessory drive belts. (6)@
Replace brake fluid. (7)
Replace windshield wiper blades. (8)
@ @ @ @ @ @ @ @ @ @
Replace hood and/or body lift support gas struts.@ @
Footnotes—Maintenance
Schedule Additional Required
Services - Normal
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels,
or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, windowfogging, or odors. Your GM dealer
can help determine when to replace
the filter.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12460269) - 2019 - CRC - 9/11/18
Service and Maintenance 407
(2)Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(3) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed. (4)
Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water
can overcome the seals and
contaminate the transfer case fluid.
Contaminated fluid will decrease the
life of the transfer case and/or axles
and should be replaced.
(5) Or every five years, whichever
comes first. See Cooling System
0 317. (6)
Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(7) Replace brake fluid every five
years. See Brake Fluid 0324.
(8) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0330.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12460269) - 2019 - CRC - 9/11/18
408 Service and Maintenance
Maintenance Schedule
Additional Required
Services - Severe12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 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)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@
Change automatic transmission fluid and filter.@@@
Change transfer case fluid, if equipped with
4WD. (4)@@@
Replace spark plugs. Inspect spark plug wires.@
Drain and fill engine cooling system. (5)@
Visually inspect accessory drive belts. (6)@
Replace brake fluid. (7)
Replace windshield wiper blades. (8)
@ @ @ @ @ @ @ @ @ @
Replace hood and/or body lift support gas struts.@ @

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12460269) - 2019 - CRC - 9/11/18
Service and Maintenance 409
Footnotes—Maintenance
Schedule Additional Required
Services - Severe
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter
replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels,
or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, window
fogging, or odors. Your GM dealer
can help determine when to replace
the filter.
(2) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(3) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed. (4)
Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water
can overcome the seals and
contaminate the transfer case fluid.
Contaminated fluid will decrease the
life of the transfer case and/or axles
and should be replaced.
(5) Or every five years, whichever
comes first. See Cooling System
0 317.
(6) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(7) Replace brake fluid every five
years. See Brake Fluid 0324.
(8) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0330.Special Application
Services
.
Severe Commercial Use
Vehicles Only: Lubricate chassis
components every oil change.
. Have underbody flushing service
performed. See "Underbody
Maintenance" in Exterior Care
0 391.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12460269) - 2019 - CRC - 9/11/18
Service and Maintenance 413
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer.Usage Fluid/Lubricant
Automatic Transmission (6-Speed Transmission) DEXRON-VI Automatic Transmission Fluid.
Automatic Transmission (10-Speed Transmission) DEXRON ULV Automatic Transmission Fluid (GM Part No. 19352619, in
Canada 19352620).
Chassis Lubrication Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
See Cooling System 0317.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity
grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil
0 309.
Front Axle (Four-Wheel Drive) SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88900401, in Canada 89021678).
Front Axle Propshaft Spline or One-Piece Propshaft Spline (Two-Wheel Drive) Spline Lubricant, Special Lubricant (GM Part No. 19257121, in
Canada 19257122).
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in Canada 19353127).

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12460269) - 2019 - CRC - 9/11/18
418 Technical Data
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions. SeeRecommended Fluids and
Lubricants 0413 for more information.
Application Capacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under thehood. See your dealer for more information.
Cooling System 16.8 L 17.8 qt
Engine Oil with Filter 7.6 L 8.0 qt
Fuel Tank Short Wheelbase 98.4 L 26.0 gal
Long Wheelbase 119.2 L 31.5 gal
Transfer Case Fluid 1.5 L 1.6 qt
Wheel Nut Torque 190 Y140 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12460269) - 2019 - CRC - 9/11/18
Index 449
ChargingWireless . . . . . . . . . . . . . . . . . . . . . . 141
Charging System Light . . . . . . . . . 155
Check Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 155
Ignition Transmission Lock . . . 329
Child Restraints Infants and Young Children . . . 108
Lower Anchors and Tethersfor Children . . . . . . . . . . . . . . . . . .114
Older Children . . . . . . . . . . . . . . . . 107
Securing . . . . . . . . . . . . 122, 124, 125
Systems . . . . . . . . . . . . . . . . . . . . . . . 111
Child-View Mirror . . . . . . . . . . . . . . . . 59
Circuit Breakers . . . . . . . . . . . . . . . . 337
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 391
Interior Care . . . . . . . . . . . . . . . . . . 396
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . 194
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Cluster, Instrument . . . . . . . . . . . . . 145
Collision Damage Repair . . . . . . . 428
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . 128
Compass . . . . . . . . . . . . . . . . . . . . . . . 138 Connected Services
Connections . . . . . . . . . . . . . . . . . . 444
Diagnostics . . . . . . . . . . . . . . . . . . . 446
Navigation . . . . . . . . . . . . . . . . . . . . 443
Connections Connected Services . . . . . . . . . . 444
Control
Hill Descent . . . . . . . . . . . . . . . . . . 248
Traction and ElectronicStability . . . . . . . . . . . . . . . . . . . . . 246
Control Light
Hill Descent . . . . . . . . . . . . . . . . . . 158
Control of a Vehicle . . . . . . . . . . . . . 204
Convenience Net . . . . . . . . . . . . . . . 131
Convex Mirrors . . . . . . . . . . . . . . . . . . 56
Coolant Engine Temperature Gauge . . 151
Cooling . . . . . . . . . . . . . . . . . . . . 194, 198
Cooling System . . . . . . . . . . . . . . . . . 317
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 427
Cruise Control . . . . . . . . . . . . . . . . . . 250 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Cruise Control, Adaptive . . . . . . . . 252
Cupholders . . . . . . . . . . . . . . . . . . . . . 128
Customer Assistance . . . . . . . . . . . 424 Offices . . . . . . . . . . . . . . . . . . . . . . . . 423 Customer Assistance (cont'd)
Text Telephone (TTY)
Users . . . . . . . . . . . . . . . . . . . . . . . 424
Customer Information
Publications OrderingInformation . . . . . . . . . . . . . . . . . . 431
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 421
D
Damage Repair, Collision . . . . . . . 428
Danger, Warning, and Caution . . . . 3
Data CollectionInfotainment System . . . . . . . . . . 434
OnStar . . . . . . . . . . . . . . . . . . . . . . . 434
Data Recorders, Event . . . . . . . . . 433
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 186
Defensive Driving . . . . . . . . . . . . . . . 204
Delayed Locking . . . . . . . . . . . . . . . . . 45
Diagnostics
Connected Services . . . . . . . . . . 446
Distracted Driving . . . . . . . . . . . . . . . 203
Dome Lamps . . . . . . . . . . . . . . . . . . . 189
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . 162
Delayed Locking . . . . . . . . . . . . . . . . 45
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12460269) - 2019 - CRC - 9/11/18
450 Index
Door (cont'd)Power Locks . . . . . . . . . . . . . . . . . . . . 45
Drive Belt Routing, Engine . . . . . . 420
Driver Assistance Systems . . . . . 259
Driver Information Center (DIC) . . . . . . . . . . . . . 163, 164
Driving Assistance Systems . . . . . . . . . . 264
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 278
Defensive . . . . . . . . . . . . . . . . . . . . . 204
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 204
For Better Fuel Economy . . . . . . . 27
Hill and Mountain Roads . . . . . . 212
If the Vehicle is Stuck . . . . . . . . . 214
Loss of Control . . . . . . . . . . . . . . . 206
Off-Road . . . . . . . . . . . . . . . . . . . . . 206
Off-Road Recovery . . . . . . . . . . . 205
Vehicle Load Limits . . . . . . . . . . . 215
Wet Roads . . . . . . . . . . . . . . . . . . . .211
Winter . . . . . . . . . . . . . . . . . . . . . . . . 212
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 194
E
E85 or FlexFuel . . . . . . . . . . . . . . . . 275
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . . 298 Electrical System
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 338
Fuses and Circuit Breakers . . . 337
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . 342, 345
Overload . . . . . . . . . . . . . . . . . . . . . 337
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 347
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . 436
Engine Air Cleaner/Filter . . . . . . . . . . . . . 316
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 155
Compartment Overview . . . . . . . 303
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 151
Cooling System . . . . . . . . . . . . . . . 317
Drive Belt Routing . . . . . . . . . . . . 420
Exhaust . . . . . . . . . . . . . . . . . . . . . . 230
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
Heater . . . . . . . . . . . . . . . . . . . . . . . . 226
Oil Life System . . . . . . . . . . . . . . . .311
Oil Pressure Gauge . . . . . . . . . . 150
Overheating . . . . . . . . . . . . . . . . . . 321
Power Messages . . . . . . . . . . . . . 171
Running While Parked . . . . . . . . 231 Engine (cont'd)
Starting . . . . . . . . . . . . . . . . . . . . . . . 224
Entry Lighting . . . . . . . . . . . . . . . . . . . 190
Equipment, Towing . . . . . . . . . . . . . 289
Event Data Recorders . . . . . . . . . . 433
Exit Lighting . . . . . . . . . . . . . . . . . . . . 191
Extended Parking . . . . . . . . . . . . . . . 230
Extender, Seat Belt . . . . . . . . . . . . . . 92
Exterior Lamp Controls . . . . . . . . . 183
Exterior Lamps Off Reminder . . . 185
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . . . 192
F
FanEngine . . . . . . . . . . . . . . . . . . . . . . . . 322
Features Memory . . . . . . . . . . . . . . . . . . . . . . . . . 12
Filter,
Engine Air Cleaner . . . . . . . . . . . 316
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 186
Flashers, Hazard Warning . . . . . . 187
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 369 Changing . . . . . . . . . . . . . . . . . . . . . 371
FlexFuel E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Floor Console Storage . . . . . . . . . . 131
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 399