2019 CHEVROLET BLAZER coolant temperature

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
272 Vehicle Care
3.6L V6 Engine
1. Engine Cooling Fan (Outof View)
2. Engine Coolant Surge Tank and Pressure Cap
{Warning
An underhood electric fan can
start up even when the engine is
not running and can cause injury.
Keep hands, clothing, and tools
away from any underhood
electric fan.
{Warning
Do not touch heater or radiator
hoses, or other engine parts.
They can be very hot and can
burn you. Do not run the engine if
there is a leak; all coolant could
leak out. That could cause an
engine fire and can burn you. Fix
any leak before driving the
vehicle.
Engine Coolant
The cooling system in the vehicle is
filled with DEX-COOL engine
coolant. This coolant needs to be
checked and replaced at
appropriate intervals. See
Maintenance Schedule 0350.
The following explains the cooling
system and how to check and add
coolant when it is low. If there is a
problem with engine overheating,
see Engine Overheating 0275.
What to Use
{Warning
Do not touch heater or radiator
hoses, or other engine parts.
They can be very hot and can
burn you. Do not run the engine if
there is a leak; all coolant could
leak out. That could cause an
engine fire and can burn you. Fix
any leak before driving the
vehicle.
Use a 50/50 mixture of clean,
drinkable water and DEX-COOL
coolant. This mixture:
. Gives freezing protection down
to−37 °C (−34 °F), outside
temperature.
. Gives boiling protection up to
129 °C (265 °F), engine
temperature.
. Protects against rust and
corrosion.
. Will not damage aluminum parts.

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
Vehicle Care 273
.Helps keep the proper engine
temperature.
Caution
Do not use anything other than a
mix of DEX-COOL coolant that
meets GM Standard
GMW3420 and clean, drinkable
water. Anything else can cause
damage to the engine cooling
system and the vehicle, which
would not be covered by the
vehicle warranty.
Never dispose of engine coolant by
putting it in the trash, or by pouring
it on the ground or into sewers,
streams, or bodies of water. Have
the coolant changed by an
authorized service center, familiar
with legal requirements regarding
used coolant disposal. This will help
protect the environment and your
health.
Checking Coolant
The vehicle must be on a level
surface when checking the coolant
level.
Check to see if coolant is visible in
the coolant surge tank. If the coolant
inside the coolant surge tank is
boiling, do not do anything else until
it cools down. See Engine
Overheating 0275.
The coolant surge tank is in the
engine compartment on the driver
side of the vehicle. See Engine
Compartment Overview 0262.
How to Add Coolant to the
Coolant Surge Tank
{Warning
Spilling coolant on hot engine
parts can burn you. Coolant
contains ethylene glycol and it will
burn if the engine parts are hot
enough.
{Warning
Steam and scalding liquids from a
hot cooling system are under
pressure. Turning the pressure
cap, even a little, can cause them
to come out at high speed and
you could be burned. Never turn
the cap when the cooling system,
including the pressure cap, is hot.
Wait for the cooling system and
pressure cap to cool.

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
Vehicle Care 275
5. Replace the pressure captightly.
6. Verify coolant level after the engine is shut off and the
coolant is cold. If necessary,
repeat coolant fill procedure
Steps 1–6.
If the coolant still is not at the
proper level when the system
cools down again, see your
dealer.
Caution
If the pressure cap is not tightly
installed, coolant loss and engine
damage may occur. Be sure the
cap is properly and tightly
secured.
Engine Overheating
The vehicle has several indicators
to warn of the engine overheating.
There is an engine coolant
temperature gauge on the
instrument cluster. See Engine
Coolant Temperature Gauge 0132. The vehicle may also display a
message on the Driver Information
Center (DIC).
If the decision is made not to lift the
hood when this warning appears,
get service help right away. See
Roadside Assistance Program
0
370.
If the decision is made to lift the
hood, make sure the vehicle is
parked on a level surface. Then
check to see if the engine cooling
fan is running. If the engine is
overheating, the fan should be
running. If it is not, do not continue
to run the engine. Have the vehicle
serviced.
Caution
Do not run the engine if there is a
leak in the engine cooling system.
This can cause a loss of all
coolant and can damage the
system and vehicle. Have any
leaks fixed right away.
If Steam Is Coming from the
Engine Compartment
{Warning
Steam and scalding liquids from a
hot cooling system are under
pressure. Turning the pressure
cap, even a little, can cause them
to come out at high speed and
you could be burned. Never turn
the cap when the cooling system,
including the pressure cap, is hot.
Wait for the cooling system and
pressure cap to cool.
If No Steam Is Coming from
the Engine Compartment
If an engine overheat warning is
displayed but no steam can be seen
or heard, the problem may not be
too serious. Sometimes the engine
can get a little too hot when the
vehicle:
. Climbs a long hill on a hot day.
. Stops after high-speed driving.
. Idles for long periods in traffic.

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
276 Vehicle Care
If the overheat warning is displayed
with no sign of steam:1. Turn the air conditioning off.
2. Turn the heater on to the highest temperature and to the
highest fan speed. Open the
windows as necessary.
3. When it is safe to do so, pull off the road, shift to P (Park) or
N (Neutral), and let the
engine idle.
If the engine coolant temperature
gauge is no longer in the
overheated area, the vehicle can be
driven. Continue to drive the vehicle
slowly for about 10 minutes. Keep a
safe distance from the vehicle in
front. If the warning does not come
back on, continue to drive normally
and have the cooling system
checked for proper fill and function.
If the warning continues, pull over,
stop, and park the vehicle
right away. If there is no sign of steam, idle the
engine for three minutes while
parked. If the warning is still
displayed, turn off the engine until it
cools down.
Washer Fluid
What to Use
When windshield washer fluid is
needed, be sure to read the
manufacturer's instructions before
use. If operating the vehicle in an
area where the temperature may fall
below freezing, use a fluid that has
sufficient protection against
freezing.
Adding Washer Fluid
Open the cap with the washer
symbol on it. Add washer fluid until
the tank is full. See
Engine
Compartment Overview 0262 for
reservoir location.
Caution
. Do not use washer fluid that
contains any type of water
repellent coating. This can
cause the wiper blades to
chatter or skip.
. Do not use engine coolant
(antifreeze) in the
windshield washer. It can
damage the windshield
washer system and paint.
. Do not mix water with
ready-to-use washer fluid.
Water can cause the
solution to freeze and
damage the washer fluid
tank and other parts of the
washer system.
(Continued)

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
394 Index
Child RestraintsInfants and Young Children . . . . . 93
Lower Anchors and Tethers
for Children . . . . . . . . . . . . . . . . . . . 98
Older Children . . . . . . . . . . . . . . . . . . 91
Securing . . . . . . . . . . . . . . . . . 103, 105
Systems . . . . . . . . . . . . . . . . . . . . . . . . 95
Circuit Breakers . . . . . . . . . . . . . . . . 286
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 338
Interior Care . . . . . . . . . . . . . . . . . . 343
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . 170
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Cluster, Instrument . . . . . . . . 124, 128
Collision Damage Repair . . . . . . . 373
Compact Spare Tire . . . . . . . . . . . . 331
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . 109
Compass . . . . . . . . . . . . . . . . . . . . . . . 119
Compressor Kit, Tire Sealant . . . 319
Connected Services Connections . . . . . . . . . . . . . . . . . . 389
Diagnostics . . . . . . . . . . . . . . . . . . . 391
Navigation . . . . . . . . . . . . . . . . . . . . 388
Connections Connected Services . . . . . . . . . . 389 Control
Traction and Electronic
Stability . . . . . . . . . . . . . . . . . . . . . 208
Control of a Vehicle . . . . . . . . . . . . . 178
Convex Mirrors . . . . . . . . . . . . . . . . . . 49
Coolant Engine Temperature Gauge . . 132
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . 170
Cooling System . . . . . . . . . . . . . . . . . 271
Courtesy Lamps . . . . . . . . . . . . . . . . 165
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 372
Cruise Control . . . . . . . . . . . . . . . . . . 212 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Cruise Control, Adaptive . . . . . . . . 214
Customer Assistance . . . . . . . . . . . 369 Offices . . . . . . . . . . . . . . . . . . . . . . . . 368
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 369
Customer Information Publications Ordering
Information . . . . . . . . . . . . . . . . . . 375
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 366
D
Damage Repair, Collision . . . . . . . 373
Danger, Warning, and Caution . . . . 3 Data Collection
Infotainment System . . . . . . . . . . 379
OnStar . . . . . . . . . . . . . . . . . . . . . . . 379
Data Recorders, Event . . . . . . . . . 378
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 163
Defensive Driving . . . . . . . . . . . . . . . 178
Delayed Locking . . . . . . . . . . . . . . . . . 38
Diagnostics
Connected Services . . . . . . . . . . 391
Distracted Driving . . . . . . . . . . . . . . . 177
Dome Lamps . . . . . . . . . . . . . . . . . . . 165
Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . 143
Delayed Locking . . . . . . . . . . . . . . . . 38
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Power Locks . . . . . . . . . . . . . . . . . . . . 38
Drive Belt Routing, Engine . . . . . . 365
Drive Systems All-Wheel Drive . . . . . . . . . . 204, 280
Driver Assistance Systems . . . . . 223
Driver Information
Center (DIC) . . . . . . . . . . . . . 144, 147
Driver Mode Control . . . . . . . . . . . . 210
Driving Assistance Systems . . . . . . . . . . 229
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 243

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
Index 395
Driving (cont'd)Defensive . . . . . . . . . . . . . . . . . . . . . 178
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 178
For Better Fuel Economy . . . . . . . 24
Hill and Mountain Roads . . . . . . 185
If the Vehicle is Stuck . . . . . . . . . 187
Loss of Control . . . . . . . . . . . . . . . 180
Off-Road . . . . . . . . . . . . . . . . . . . . . 180
Off-Road Recovery . . . . . . . . . . . 179
Vehicle Load Limits . . . . . . . . . . . 188
Wet Roads . . . . . . . . . . . . . . . . . . . 184
Winter . . . . . . . . . . . . . . . . . . . . . . . . 186
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 170
E
Electric Parking Brake . . . . . . . . . . 206
Electric Parking Brake Light . . . . 138
Electrical Equipment,
Add-On . . . . . . . . . . . . . . . . . . . . . . . 256
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 287
Fuses and Circuit Breakers . . . 286
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 291
Overload . . . . . . . . . . . . . . . . . . . . . 286 Electrical System (cont'd)
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 293
Emergency
OnStar . . . . . . . . . . . . . . . . . . . . . . . 381
Engine Air Cleaner/Filter . . . . . . . . . . . . . 269
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 135
Compartment Overview . . . . . . . 262
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 132
Cooling System . . . . . . . . . . . . . . . 271
Drive Belt Routing . . . . . . . . . . . . 365
Exhaust . . . . . . . . . . . . . . . . . . . . . . 200
Heater . . . . . . . . . . . . . . . . . . . . . . . . 196
Oil Life System . . . . . . . . . . . . . . . 267
Oil Pressure Light . . . . . . . . . . . . 141
Overheating . . . . . . . . . . . . . . . . . . 275
Power Messages . . . . . . . . . . . . . 151
Running While Parked . . . . . . . . 201
Starting . . . . . . . . . . . . . . . . . . . . . . . 194
Engine Air Filter Life System . . . . 269
Entry Lighting . . . . . . . . . . . . . . . . . . . 166
Equipment, Towing . . . . . . . . . . . . . 251
Event Data Recorders . . . . . . . . . . 378
Exit Lighting . . . . . . . . . . . . . . . . . . . . 167
Extended Parking . . . . . . . . . . . . . . . 199 Extender, Seat Belt . . . . . . . . . . . . . . 77
Exterior Lamp Controls . . . . . . . . . 160
Exterior Lamps Off Reminder . . . 162
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 168
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . . 12
Filter, Engine Air Cleaner . . . . . . . . . . . 269
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 162
Flashers, Hazard Warning . . . . . . 164
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 317
Changing . . . . . . . . . . . . . . . . . . . . . 326
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 346
Fluid Automatic Transmission . . . . . . 268
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 278
Washer . . . . . . . . . . . . . . . . . . . . . . . 276
Folding Mirrors . . . . . . . . . . . . . . . . . . 49
Forward Automatic Braking . . . . . 232
Forward Collision Alert
(FCA) System . . . . . . . . . . . . . . . . . 229
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 376
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . 233

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
396 Index
Front SeatsAdjustment . . . . . . . . . . . . . . . . . . . . . 61
Heated and Ventilated . . . . . . . . . . 67
Fuel Additives . . . . . . . . . . . . . . . . . . . . . 241
Economy Driving . . . . . . . . . . . . . . . 24
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 243
Filling the Tank . . . . . . . . . . . . . . . 241
Foreign Countries . . . . . . . . . . . . 241
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 131
Low Fuel Warning Light . . . . . . . 142
Management, Active . . . . . . . . . . 199
Prohibited Fuels . . . . . . . . . . . . . . 240
Recommended . . . . . . . . . . . . . . . 240
Top Tier . . . . . . . . . . . . . . . . . . . . . . 240
Fuses Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 287
Fuses and Circuit Breakers . . . 286
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 291
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 293G
Garage Door Opener . . . . . . . . . . . 156Programming . . . . . . . . . . . . . . . . . 156
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 282
Gauges Engine CoolantTemperature . . . . . . . . . . . . . . . . 132
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Odometer . . . . . . . . . . . . . . . . . . . . . 130
Speedometer . . . . . . . . . . . . . . . . . 130
Tachometer . . . . . . . . . . . . . . . . . . . 130
Trip Odometer . . . . . . . . . . . . . . . . 130
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . 123
General Information Service and Maintenance . . . . . 348
Towing . . . . . . . . . . . . . . . . . . . . . . . . 243
Vehicle Care . . . . . . . . . . . . . . . . . . 258
Glove Box . . . . . . . . . . . . . . . . . . . . . . 109
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . 370
H
Hazard Warning Flashers . . . . . . . 164
Head Restraints . . . . . . . . . . . . . . . . . 59
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . . . 284
Automatic . . . . . . . . . . . . . . . . . . . . . 163 Headlamps (cont'd)
Bulb Replacement . . . . . . . . . . . . 284
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . 163
Flash-to-Pass . . . . . . . . . . . . . . . . . 162
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . 284
High-Beam On Light . . . . . . . . . . 142
High/Low Beam Changer . . . . . 162
Lamps On Reminder . . . . . . . . . 143
Heated Rear Seats . . . . . . . . . . . . . . . . . . . . . 71
Steering Wheel . . . . . . . . . . . . . . . .116
Heated and Ventilated Front
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Heated Mirrors . . . . . . . . . . . . . . . . . . . 50
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . 196
Heating . . . . . . . . . . . . . . . . . . . . . . . . . 170
High Voltage Devices and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . 285
High-Beam On Light . . . . . . . . . . . . 142
High-Speed Operation . . . . . . . . . . 304
Hill and Mountain Roads . . . . . . . . 185
Hill Start Assist (HSA) . . . . . . . . . . 208
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Hooks Shopping Bag . . . . . . . . . . . . . . . . . 111