air conditioning CHEVROLET SUBURBAN 2019 User Guide

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12460269) - 2019 - CRC - 9/11/18
Service and Maintenance 403
Maintenance
Schedule
Owner Checks and Services
At Each Fuel Stop
.Check the engine oil level. See
Engine Oil 0309.
Once a Month
. Check the tire inflation
pressures, including the spare.
See Tire Pressure 0355.
. Inspect the tires for wear. See
Tire Inspection 0362.
. Check the windshield washer
fluid level. See Washer Fluid
0 323.
Engine Oil Change
When the CHANGE ENGINE OIL
SOON message displays, have the
engine oil and filter changed within
the next 1 000 km/600 mi. If driven
under the best conditions, the
engine oil life system may not
indicate the need for vehicle service
for up to a year. The engine oil and
filter must be changed at least once
a year and the oil life system must
be reset. Your trained dealer
technician can perform this work.
If the engine oil life system is reset
accidentally, service the vehicle
within 5 000 km/3,000 mi since the
last service. Reset the oil life
system when the oil is changed.
See Engine Oil Life System 0311.
Power Take Off (PTO) and
Extended Idle Use
When the vehicle is used with the
PTO equipment or used in a way
that requires extended idle time,
one hour of use shall be deemed
the same as 53 km (33 mi). See
Driver Information Center (DIC)
(Base Level) 0163 orDriver
Information Center (DIC) (Uplevel)
0 164 for hourmeter.
Air Conditioning Desiccant
(Replace Every Seven Years)
The air conditioning system requires
maintenance every seven years.
This service requires replacement of
the desiccant to help the longevity
and efficient operation of the air
conditioning system. This service
can be complex. See your dealer.

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 447
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 301
Accessory Power . . . . . . . . . . . . . . . 227
Active Fuel Management . . . . . . . 229
Adaptive Cruise Control . . . . . . . . 252
Add-On Electrical Equipment . . . 298
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 437
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . 410
Adjustable Throttle and Brake Pedal . . . . . . . . . . . . . . . . . . . 220
Adjustments
Lumbar, Front Seats . . . . . . . . . . . . 68
Air Cleaner/Filter, Engine . . . . . . . 316
Air Conditioning . . . . . . . . . . . 194, 198
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 200
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 199
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . 106
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 99
Passenger Sensing System . . 100
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 98 Airbag System (cont'd)
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 99
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 97
Where Are the Airbags? . . . . . . . . 96
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . 105
Passenger Status Indicator . . . 154
Readiness Light . . . . . . . . . . . . . . 153
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . 105
System Check . . . . . . . . . . . . . . . . . . 94
Alarm Vehicle Security . . . . . . . . . . . . . . . . 53
Alert Lane Change . . . . . . . . . . . . . . . . . 269
Side Blind Zone (SBZA) . . . . . . 269
All-Season Tires . . . . . . . . . . . . . . . . 349
All-Terrain Tires . . . . . . . . . . . . . . . . . 350
Antilock Brake System (ABS) . . . 244 Warning Light . . . . . . . . . . . . . . . . . 158
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 391
Interior . . . . . . . . . . . . . . . . . . . . . . . . 396
Armrest Storage . . . . . . . . . . . . . . . . 129