2012 CHEVROLET MALIBU cooling

Black plate (9,1)Chevrolet Malibu Owner Manual - 2012
Vehicle Care 10-9
A.Engine Air Cleaner/Filter on
page 10‑14.
B. Power Steering Fluid Reservoir. See Power Steering Fluid on
page 10‑22.
C. Engine Oil Fill Cap. See “When to Add Engine
Oil” under Engine Oil on
page 10‑10.
D. Engine Oil Dipstick. See “Checking Engine Oil”
under Engine Oil on
page 10‑10.
E. Electric Engine Cooling Fans (Out of View). See Cooling
System on page 10‑16. F. Engine Coolant Surge Tank.
See Engine Coolant on
page 10‑16.
G. Pressure Cap. See Cooling
System on page 10‑16.
H. Brake Master Cylinder Reservoir. See “Brake Fluid”
under Brakes on page 10‑24.
I. Automatic Transmission Fluid Dipstick (Out of View).
See “Checking the Fluid Level”
under Automatic Transmission
Fluid on page 10‑14. J. See
Battery on page 10‑26.
K. Engine Compartment Fuse
Block on page 10‑35.
L. Windshield Washer Fluid Reservoir. See “Adding Washer
Fluid” under Washer Fluid on
page 10‑23.

Black plate (16,1)Chevrolet Malibu Owner Manual - 2012
10-16 Vehicle Care
Cooling System
The cooling system allows the
engine to maintain the correct
working temperature.
3.6 L V6 Engine Shown,2.4 L L4 Engine Similar
A. Engine Cooling Fans (Out of View)
B. Engine Coolant Surge Tank
C. Pressure Cap
{WARNING
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.
{WARNING
Heater and radiator hoses, and
other engine parts, can be very
hot. Do not touch them. If you do,
you can be burned.
Do not run the engine if there is
a leak. If you run the engine, it
could lose all coolant. That could
cause an engine fire, and you
could be burned. Get any leak
fixed before you drive the vehicle. Notice:
Using coolant other than
DEX-COOL
®can cause premature
engine, heater core, or radiator
corrosion. In addition, the engine
coolant could require changing
sooner, at 50 000 km (30,000 mi)
or 24 months, whichever occurs
first. Any repairs would not be
covered by the vehicle warranty.
Always use DEX-COOL
(silicate-free) coolant in the
vehicle.
Engine Coolant
The cooling system in the vehicle
is filled with DEX-COOL®engine
coolant. This coolant is designed to
remain in the vehicle for 5 years or
240 000 km (150,000 mi), whichever
occurs first.
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 on
page 10‑20.

Black plate (17,1)Chevrolet Malibu Owner Manual - 2012
Vehicle Care 10-17
What to Use
{WARNING
Adding only plain water or some
other liquid to the cooling system
can be dangerous. Plain water
and other liquids, can boil before
the proper coolant mixture will.
The coolant warning system is set
for the proper coolant mixture.
With plain water or the wrong
mixture, the engine could get
too hot but you would not get the
overheat warning. The engine
could catch fire and you or
others could be burned. Use a
50/50 mixture of clean, drinkable
water and DEX-COOL coolant.Use a 50/50 mixture of clean,
drinkable water and DEX-COOL
coolant. If using this mixture,
nothing else needs to be added.
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.
.Helps keep the proper engine
temperature. Notice:
If an improper coolant
mixture is used, the engine could
overheat and be badly damaged.
The repair cost would not be
covered by the vehicle warranty.
Too much water in the mixture
can freeze and crack the engine,
radiator, heater core, and other
parts.
Never dispose of engine coolant
by putting it in the trash, 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.

Black plate (18,1)Chevrolet Malibu Owner Manual - 2012
10-18 Vehicle Care
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. If coolant is visible
but the coolant level is not at or
above the FULL COLD mark, add a
50/50 mixture of clean, drinkable
water and DEX-COOL coolant at the
coolant surge tank, but be sure the
cooling system is cool before this is
done. SeeEngine Overheating on
page 10‑20 for more information.
The coolant level should be at or
above the FULL COLD mark on the
coolant surge tank. If it is not, there
may be a leak at the pressure cap
or in the radiator hoses, heater
hoses, radiator, water pump,
or somewhere else in the cooling
system.
How to Add Coolant to the
Coolant Surge Tank
{WARNING
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.
{WARNING
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
(Continued)
WARNING (Continued)
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.
{WARNING
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
specific coolant fill procedure.
Failure to follow this procedure
could cause the engine to
overheat and be severely
damaged.

Black plate (19,1)Chevrolet Malibu Owner Manual - 2012
Vehicle Care 10-19
If coolant is needed, add the proper
DEX-COOL coolant mixture at the
coolant surge tank.
1. Remove the coolant surge tankpressure cap when the cooling
system, including the coolant
surge tank pressure cap and
upper radiator hose, is no longer
hot. Turn the pressure cap
slowly counterclockwise about
two or two and one-half turns.
If a hiss is heard, wait for that
to stop. This will allow any
pressure still left to be vented
out the discharge hose. 2. Keep turning the pressure cap
slowly, and remove it.
3. Fill the coolant surge tank with the proper mixture, to the
FULL COLD mark. Wait about
five minutes, then check to see if
the level is below the mark. If the
level is below the FULL COLD
mark, add additional coolant to
bring the level up to the mark.
Repeat this procedure until the
level remains constant at the
FULL COLD mark for at least
five minutes.
4. With the coolant surge tank pressure cap off, start the
engine and let it run until the
upper radiator hose can be felt
getting hot. Watch out for the
engine cooling fans. By this time, the coolant level
inside the coolant surge tank
might be lower. If the level is
lower than the FULL COLD
mark, 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.
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.

Black plate (20,1)Chevrolet Malibu Owner Manual - 2012
10-20 Vehicle Care
Engine Overheating
The vehicle has several indicators
to warn of engine overheating.
There is an engine coolant
temperature gauge as well as an
engine coolant temperature warning
light on the vehicle's instrument
panel cluster. SeeEngine Coolant
Temperature Gauge on page 5‑13
and Engine Coolant Temperature
Warning Light on page 5‑21.
If it is decided not to lift the hood
when this warning appears, but
instead get service help right away.
See Roadside Assistance Program
(U.S. and Canada) on page 13‑7 or
Roadside Assistance Program
(Mexico) on page 13‑10.
If it is decided 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 the engine without
coolant is not covered by the
warranty.
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.
(Continued)
WARNING (Continued)
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.

Black plate (36,1)Chevrolet Malibu Owner Manual - 2012
10-36 Vehicle Care
FusesUsage
4 Transmission Control
Module Ignition 1
5 Mass Airflow
Sensor (LY7)
6 Emission
7 Left Headlamp
Low-Beam
8 Horn
9 Right Headlamp
Low-Beam
10 Front Fog Lamps
11 Left Headlamp
High-Beam
12 Right Headlamp
High-Beam
13 Engine Control
Module BATT
14 Windshield Wiper
15 Antilock Brake
System (IGN 1) Fuses
Usage
16 Engine Control
Module IGN 1
17 Cooling Fan 1
18 Cooling Fan 2
19 Run Relay, Heating,
Ventilation, Air
Conditioning Blower
20 Body Control
Module 1
21 Body Control Module
Run/Crank
22 Rear Electrical
Center 1
23 Rear Electrical
Center 2
24 Antilock Brake
System
25 Body Control
Module 2
26 Starter Fuses
Usage
41 Electric Power
Steering
42 Transmission Control
Module Battery
43 Ignition Module
(LE9 & LE5);
Injectors, Ignition
Coils Odd (LY7)
44 Injectors (LE9 & LE5);
Injectors, Ignition
Coils Even (LY7)
45 Post Cat 02 Sensor
Heaters (LY7)
46 Daytime Running
Lamps
47 Center High-Mounted
Stoplamp
50 Driver Power Window
51 Not Used
52 AIR Solenoid

Black plate (37,1)Chevrolet Malibu Owner Manual - 2012
Vehicle Care 10-37
FusesUsage
54 Regulated Voltage
Control
55 DC/AC Inverter
56 Antilock Brake
System BATT
Relays Usage
28 Cooling Fan 1
29 Cooling Fan
Series/Parallel
30 Cooling Fan 2
31 Starter
32 Run/Crank, Ignition
33 Powertrain
34 Air Conditioning
Clutch
35 High Beam Relays
Usage
36 Front Fog Lamps
37 Horn
38 Low-Beam Headlamp
39 Windshield Wiper 1
40 Windshield Wiper 2
48 Daytime Running
Lamps
49 Stoplamps
53 AIR Solenoid
Diodes Usage 27 WiperInstrument Panel Fuse
Block
The instrument panel fuse block is
located on the instrument panel
near the floor on the passenger side
of the vehicle.
Remove the panel cover to access
the fuse block, then remove the fuse
block cover to access the fuses.