2017 GMC SAVANA engine overheat

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-9967828) -
2017 - crc - 6/29/17
232 Vehicle Care
6. Start the engine and let it rununtil the upper radiator hose
can be felt getting hot. Watch
out for the engine cooling fan.
7. By this time, the coolant level inside the radiator filler neck
may be lower. If the level is
lower, add more of the proper
DEX-COOL coolant mixture
through the filler neck until the
level reaches the base of the
filler neck.
8. Replace the pressure cap. At any time during this procedure
if coolant begins to flow out of
the filler neck, reinstall the
pressure cap.
Caution
If the pressure cap is not tightly
installed, coolant loss and
possible engine damage may
occur. Be sure the cap is properly
and tightly secured.
Engine Overheating
If the vehicle has a diesel engine,
see the Duramax diesel
supplement.
The vehicle has an indicator to warn
of engine overheating.
There is an engine coolant
temperature gauge on the vehicle's
instrument cluster. See Engine
Coolant Temperature Gauge 099.
If the decision is made not to lift the
hood when this warning appears,
but instead get service help right
away, see Roadside Assistance
Program 0319.
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 fans are running. If the
engine is overheating, the fan
should be running. If it is not, do not
continue to run the engine and have
the vehicle serviced.
See if the engine cooling fan speed
increases when idle speed is
doubled by pushing the accelerator
pedal down. If it does not, the
vehicle needs service. Turn off the
engine.
Caution
Running the engine without
coolant may cause damage or a
fire. Vehicle damage would not be
covered by the vehicle warranty.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-9967828) -
2017 - crc - 6/29/17
Vehicle Care 233
If Steam is Coming from the
Engine Compartment
{Warning
Steam from an overheated engine
can burn you badly, even if you
just open the hood. Stay away
from the engine if you see or hear
steam coming from it. Just turn it
off and get everyone away from
the vehicle until it cools down.
Wait until there is no sign of
steam or coolant before you open
the hood.
If you keep driving when the
engine is overheated, the liquids
in it can catch fire. You or others
could be badly burned. Stop the
engine if it overheats, and get out
of the vehicle until the engine
is 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.
. Tows a trailer. See “Driving on
Grades” underTrailer Towing
0 208.
If the overheat warning is displayed
with no sign of steam: 1. Turn the air 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 overheat
zone or an overheat warning no
longer displays, the vehicle can be
driven. Continue to drive the vehicle
slowly for about 10 minutes. Keep a
safe vehicle 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 still no sign of steam,
push down the accelerator until the
engine speed is about twice as fast
as normal idle speed for at least
three minutes while parked. If the
warning is still on, turn off the
engine until it cools down.
If the decision is made not to lift the
hood, get service help right away.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-9967828) -
2017 - crc - 6/29/17
248 Vehicle Care
Headlamp Wiring
An electrical overload may cause
the lamps to go on and off, or in
some cases to remain off. Have the
headlamp wiring checked right away
if the lamps go on and off or
remain off.
Windshield Wipers
If the wiper motor overheats due to
heavy snow or ice, the windshield
wipers will stop until the motor cools
and will then restart.
Although the circuit is protected
from electrical overload, overload
due to heavy snow or ice may
cause wiper linkage damage.
Always clear ice and heavy snow
from the windshield before using the
windshield wipers.
If the overload is caused by an
electrical problem and not snow or
ice, be sure to get it fixed.
Fuses and Circuit
Breakers
The wiring circuits in the vehicle are
protected from short circuits by a
combination of fuses and circuit
breakers. This greatly reduces the
chance of fires caused by electrical
problems.
Look at the silver-colored band
inside the fuse. If the band is broken
or melted, replace the fuse. Be sure
you replace a bad fuse with a new
one of the identical size and rating.
Engine Compartment
Fuse Block
For vans with a diesel engine, see
the Duramax diesel supplement.
The fuse block is located in the
engine compartment on the driver
side of the vehicle.
Vehicles with upfitter content
See www.gmupfitter.com for upfitter
provisions and best practices.
Caution
Spilling liquid on any electrical
component on the vehicle may
damage it. Always keep the
covers on any electrical
component.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-9967828) -
2017 - crc - 6/29/17
342 Index
E
E85 or FlexFuel . . . . . . . . . . . . . . . . 202
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . . 214
Electrical System
Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 248
Floor Console Fuse Block . . . . 252
Fuses and Circuit Breakers . . . 248
Overload . . . . . . . . . . . . . . . . . . . . . 247
Emergency OnStar
®. . . . . . . . . . . . . . . . . . . . . . 330
Engine Air Cleaner/Filter . . . . . . . . . . . . . 227
Check and Service Engine
Soon Light . . . . . . . . . . . . . . . . . . 103
Compartment Overview . . . . . . . 220
Coolant . . . . . . . . . . . . . . . . . . . . . . . 229
Coolant Heater . . . . . . . . . . . . . . . 181
Coolant Temperature Gauge . . . . 99
Cooling System . . . . . . . . . . . . . . . 228
Cooling System Messages . . . .114
Drive Belt Routing . . . . . . . . . . . . 314
Exhaust . . . . . . . . . . . . . . . . . . . . . . 185
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Oil Life System . . . . . . . . . . . . . . . 223
Oil Messages . . . . . . . . . . . . . . . . . .115
Oil Pressure Gauge . . . . . . . . . . . . 98 Engine (cont'd)
Oil Pressure Light . . . . . . . . . . . . 107
Overheating . . . . . . . . . . . . . . . . . . 232
Power Messages . . . . . . . . . . . . . .115
Running While Parked . . . . . . . . 185
Starting . . . . . . . . . . . . . . . . . . . . . . . 179
Enhanced Technology Glass . . . . 39
Entry/Exit Lighting . . . . . . . . . . . . . . 131
Equipment, Towing . . . . . . . . . . . . . 212
Event Data Recorders . . . . . . . . . . 327
Extender, Safety Belt . . . . . . . . . . . . 54
Exterior Lamp Controls . . . . . . . . . 126
Exterior Lamps Off Reminder . . . 127
F
Fan Engine . . . . . . . . . . . . . . . . . . . . . . . . 234
Fast Idle System . . . . . . . . . . . . . . . . 180
Filter, Engine Air Cleaner . . . . . . . . . . . 227
Fixed Mast Antenna . . . . . . . . . . . . 142
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 127
Flashers, Hazard Warning . . . . . . 129
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 275 Changing . . . . . . . . . . . . . . . . . . . . . 277
FlexFuel E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 298 Fluid
Automatic Transmission . . . . . . 224
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 236
Power Steering . . . . . . . . . . . . . . . 234
Washer . . . . . . . . . . . . . . . . . . . . . . . 235
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 325
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . . 42
Front Storage . . . . . . . . . . . . . . . . . . . . 86
Front Turn Signal Bulb Replacement . . . . . . . . . . . . 244
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 Additives . . . . . . . . . . . . . . . . . . . . . 201
Economy Driving . . . . . . . . . . . . . . . 22
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 204
Filling the Tank . . . . . . . . . . . . . . . 203
Foreign Countries . . . . . . . . . . . . 201
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Low Fuel Warning Light . . . . . . . 108
Requirements, California . . . . . 201
System Messages . . . . . . . . . . . . .116
Full-Size Spare Tire . . . . . . . . . . . . 284
Fuses Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 248
Floor Console Fuse Block . . . . 252

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-9967828) -
2017 - crc - 6/29/17
Index 345
Messages (cont'd)Vehicle . . . . . . . . . . . . . . . . . . . . . . . .113
Vehicle Reminder . . . . . . . . . . . . . 120
Mirrors
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 36
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 37
Manual . . . . . . . . . . . . . . . . . . . . . . . . . 36
Manual Rearview . . . . . . . . . . . . . . . 37
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Trailer Tow . . . . . . . . . . . . . . . . . . . . . . 36
Mirrors, Interior Rearview . . . . . . . . 37
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 263
Multi-band Antenna . . . . . . . . . . . . . 142
N
Navigation
OnStar®. . . . . . . . . . . . . . . . . . . . . . 331
New Vehicle Break-In . . . . . . . . . . . 177
Noise Control System . . . . . . . . . . 239
O
Object Detection System Messages . . . . . . . . . . . . . . . . . . . . . 116
Odometer . . . . . . . . . . . . . . . . . . . . . . . . 97 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 169 Oil
Engine . . . . . . . . . . . . . . . . . . . . . . . . 221
Engine Oil Life System . . . . . . . 223
Engine Oil Pressure Gauge . . . . . 98
Messages . . . . . . . . . . . . . . . . . . . . .115
Pressure Light . . . . . . . . . . . . . . . . 107
Older Children, Restraints . . . . . . . 67
Online Owner Center . . . . . . . . . . . 318
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 327
OnStar System . . . . . . . . . . . . . . . . . 152
OnStar
®Additional
Information . . . . . . . . . . . . . . . . . . . . 334
OnStar
®Connections . . . . . . . . . . . 332
OnStar®Diagnostics . . . . . . . . . . . . 333
OnStar®Emergency . . . . . . . . . . . . 330
OnStar®Navigation . . . . . . . . . . . . . 331
OnStar®Overview . . . . . . . . . . . . . . 329
OnStar®Security . . . . . . . . . . . . . . . 330
Operation Infotainment System . . . . . . . . . . 137
Ordering
Service Publications . . . . . . . . . . 324
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Overheating, Engine . . . . . . . . . . . . 232
Overview . . . . . . . . . . . . . . . . . . 134, 136
P
Park
Shifting Into . . . . . . . . . . . . . . . . . . . 183
Shifting Out of . . . . . . . . . . . . . . . . 184
Parking
Brake . . . . . . . . . . . . . . . . . . . . . . . . . 191
Brake and P (Park)Mechanism Check . . . . . . . . . . 241
Over Things That Burn . . . . . . . 184
Parking Assist . . . . . . . . . . . . . . . . . . 199
Perchlorate Materials
Requirements, California . . . . . . 217
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . 120
Phone Bluetooth . . . . . . . . . . . . . . . . . . . . . 152
Power Door Locks . . . . . . . . . . . . . . . . . . . . . 30
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . 94
Protection, Battery . . . . . . . . . . . . 132
Retained Accessory (RAP) . . . 181
Seat Adjustment . . . . . . . . . . . . . . . . 42
Steering Fluid . . . . . . . . . . . . . . . . . 234
Windows . . . . . . . . . . . . . . . . . . . . . . . 38
Pregnancy, Using Safety Belts . . . 54
Privacy Vehicle Data Recording . . . . . . . 326