2009 CADILLAC ESCALADE ESV engine overheat

How to Add Coolant to the Surge Tank
{ CAUTION: You can be burned if you spill coolant on hot
engine parts. Coolant contains ethylene glycol
and it will burn if the engine parts are hot enough.
Do not spill coolant on a hot engine.
Notice: This vehicle has a specic coolant ll
procedure. Failure to follow this procedure could
cause the engine to overheat and be severely
damaged. { CAUTION: An electric engine cooling fan under the hood 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.
{ CAUTION: Steam and scalding liquids from a hot cooling
system can blow out and burn you badly. They are
under pressure, and if you turn the surge tank
pressure cap — even a little — they can come
out at high speed. Never turn the cap when the
cooling system, including the surge tank pressure
cap, is hot. Wait for the cooling system and surge
tank pressure cap to cool if you ever have to turn
the pressure cap.
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4. With the coolant surge tank pressure cap off, start
the engine and let it run until you can feel the upper
radiator hose getting hot. Watch out for the engine
cooling fan.
By this time, the coolant level inside the coolant
surge tank may be lower. If the level is lower, add
more of the proper mixture to the coolant surge tank
until the level reaches the FULL COLD mark. 5. Replace the pressure cap. Be sure the pressure
cap is hand-tight and fully seated.
6. Verify coolant level after engine is shut off and the
coolant is cold. If necessary, repeat coolant ll
procedure Steps 1 through 6.
Notice: 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 The vehicle has several indicators to warn of engine
overheating.
There is a coolant temperature gage on your vehicle’s
instrument panel. See Engine Coolant Temperature
Gage on page 3-41 .
In addition, ENGINE OVERHEATED STOP ENGINE,
ENGINE OVERHEATED IDLE ENGINE, and a ENGINE
POWER IS REDUCED message comes on in the
Driver Information Center (DIC) on the instrument panel.
See DIC Warnings and Messages on page 3-56 .
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You may decide not to lift the hood when this warning
appears, but instead get service help right away.
See Roadside Service on page 8-7 .
If you do decide 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, both fans should
be running. If they are not, do not continue to run
the engine and have the vehicle serviced.
Notice: Engine damage from running your engine
without coolant is not covered by your warranty.
See Overheated Engine Protection Operating Mode
on page 6-33 for information on driving to a safe
place in an emergency.
Notice: If the engine catches re while driving with
no coolant, the vehicle can be badly damaged.
The costly repairs would not be covered by
the vehicle warranty. See Overheated Engine
Protection Operating Mode on page 6-33 for
information on driving to a safe place in an
emergency. If Steam Is Coming From The Engine
Compartment
{ CAUTION: 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. 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 vehicles engine is
overheated, the liquids in it can catch re. You or
others could be badly burned. Stop the engine if it
overheats, and get out of the vehicle until the
engine is cool.
See Overheated Engine Protection Operating Mode
on page 6-33 for information on driving to a safe
place in an emergency.
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If No Steam Is Coming From The
Engine Compartment The ENGINE OVERHEATED STOP ENGINE or the
ENGINE OVERHEATED IDLE ENGINE message, along
with a low coolant condition, can indicate a serious
problem.
If you get an engine overheat warning, but see or
hear no steam, the problem may not be too serious.
Sometimes the engine can get a little too hot when you:
Climb a long hill on a hot day.
Stop after high-speed driving.
Idle for long periods in traffic.
Tow a trailer. See Towing a Trailer on page 5-44 .
If you get the ENGINE OVERHEATED STOP ENGINE or
the ENGINE OVERHEATED IDLE ENGINE message
with no sign of steam, try this for a minute or so:
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. In heavy traffic, let the engine idle in N (Neutral)
while stopped. If it is safe to do so, pull off the
road, shift to P (Park) or N (Neutral) and let
the engine idle.
If the temperature overheat gage is no longer in the
overheat zone or an overheat warning no longer displays,
the vehicle can be driven. Continue to drive the vehicle
slow for about 10 minutes. Keep a safe vehicle distance
from the car in front of you. If the warning does not come
back on, continue to drive normally.
If the warning continues, pull over, stop, and park the
vehicle right away.
If there is no sign of steam, idle the engine for
ve minutes while parked. If the warning is still
displayed, turn off the engine until it cools down.
Also, see “Overheated Engine Protection Operating
Mode” later in this section.
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Overheated Engine Protection
Operating Mode If an overheated engine condition exists and the
ENGINE POWER IS REDUCED message is displayed,
an overheat protection mode which alternates ring
groups of cylinders helps prevent engine damage.
In this mode, you will notice a loss in power and engine
performance. This operating mode allows the vehicle
to be driven to a safe place in an emergency. Driving
extended miles (km) and/or towing a trailer in the
overheat protection mode should be avoided.
Notice: After driving in the overheated engine
protection operating mode, to avoid engine damage,
allow the engine to cool before attempting any repair.
The engine oil will be severely degraded. Repair the
cause of coolant loss, change the oil and reset the oil
life system. See Engine Oil on page 6-15 .Engine Fan Noise The vehicle has electric cooling fans. You might hear
the fans spinning at low speed during most everyday
driving. The fans can turn off if no cooling is required.
Under heavy vehicle loading, trailer towing, and/or
high outside temperatures, or if you are operating the
air conditioning system, the fans can change to
high speed and you might hear an increase in fan noise.
This is normal and indicates that the cooling system
is functioning properly. The fans change to low speed
when additional cooling is no longer required.
Power Steering Fluid See Engine Compartment
Overview on page 6-14 for
reservoir location.
6-33

Engine (cont.)
Cooling System ........................................... 6-24
Drive Belt Routing ....................................... 7-16
Exhaust ..................................................... 2-38
Fan Noise .................................................. 6-33
Oil ............................................................. 6-15
Overheated Protection Operating Mode ........... 6-33
Overheating ................................................ 6-30
Starting ...................................................... 2-26
Engine Oil
Life System ................................................ 6-18
Entry Lighting ................................................. 3-23
Event Data Recorders ..................................... 8-17
Exit Lighting ................................................... 3-23
Extender, Safety Belt ....................................... 1-51
Exterior Lamps ............................................... 3-16
FFeatures
Memory ....................................................... 1-7
Filter
Engine Air Cleaner ...................................... 6-19
Finish Damage ............................................. 6-103
Flashers, Hazard Warning .................................. 3-6
Flash-to-Pass ................................................... 3-9
Flat Tire ........................................................ 6-77 Flat Tire, Changing ......................................... 6-78
Flat Tire, Storing ............................................. 6-92
Fluid
Automatic Transmission ................................ 6-20
Power Steering ........................................... 6-33
Windshield Washer ...................................... 6-34
Fog Lamps
Bulb Replacement ....................................... 3-22
Light .......................................................... 3-45
Front Axle ...................................................... 6-47
Fuel ............................................................... 6-5
Additives ...................................................... 6-6
California Fuel .............................................. 6-6
E85 (85% Ethanol) ........................................ 6-7
Economy Driving ........................................... 5-2
Filling a Portable Fuel Container .................... 6-11
Filling the Tank ............................................. 6-9
Fuels in Foreign Countries .............................. 6-8
Gage ......................................................... 3-46
Gasoline Octane ........................................... 6-5
Gasoline Specications .................................. 6-6
Fuses
Center Instrument Panel Fuse Block ............. 6-108
Fuses and Circuit Breakers ......................... 6-106
Instrument Panel Fuse Block ....................... 6-106
Underhood Fuse Block ............................... 6-109
Windshield Wiper ....................................... 6-105
6

Mirrors (cont.)
Outside Heated Mirrors ................................ 2-42
Outside Power Foldaway Mirrors .................... 2-40
Park Tilt ..................................................... 2-41
NNavigation
Getting Started ............................................. 4-4
System Overview .......................................... 4-2
Using the System ........................................ 4-13
Navigation System, Privacy .............................. 8-18
New Vehicle Break-In ...................................... 2-24
OObject Detection, Side Blind Zone
Alert (SBZA) ............................................... 2-44
Odometer ...................................................... 3-35
Trip ........................................................... 3-35
Off-Road ....................................................... 5-13
Driving ....................................................... 5-13
Recovery .................................................... 5-11
Oil
Engine ....................................................... 6-15
Engine Oil Life System ................................. 6-18
Pressure Light ............................................. 3-44 Older Children, Restraints ................................ 1-52
Online Owner Center ........................................ 8-5
OnStar, Privacy .............................................. 8-18
OnStar ®
System, see OnStar ®
Manual ............... 2-52
Operation, Universal Home Remote System ........ 2-55
Ordering
Map DVDs ................................................. 4-61
Outlet Adjustment ............................................ 3-31
Outlets
Accessory Power ......................................... 3-25
Outside
Convex Mirror ............................................. 2-41
Heated Mirrors ............................................ 2-42
Power Foldaway Mirrors ............................... 2-40
Overheated Engine Protection Operating Mode ..... 6-33
Overview, Navigation System ............................. 4-2
Owner Checks and Services ............................. 7-10
Owners, Canadian .............................................. iii
P Paint, Damage .............................................. 6-103
Park
Shifting Into ................................................ 2-36
Shifting Out of ............................................ 2-37
Park Aid ........................................................ 2-42
Park Tilt Mirrors .............................................. 2-41
10