cooling CHEVROLET COBALT 2007 1.G Owner's Manual

3. Fill the coolant surge tank with the proper
mixture, to the COLD FILL line on the tank.
Wait about ve minutes, then check to
see if the level is below the COLD FILL line.
If the level is below the line, add additional
coolant to bring the level up to the line.
Repeat this procedure until the level remains
constant at the COLD FILL line for at least
ve minutes.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
than the COLD FILL line, add more of the
proper mixture to the coolant surge tank
until the level reaches the COLD FILL line.
5. Then replace the pressure cap. Be sure the
pressure cap is hand-tight and fully seated.
See your dealer, if necessary.2.0L L4 Supercharged Engine
If no coolant is visible in the coolant surge tank,
you will need to either see your dealer or refer
to the Dealer Service Manual for a special coolant
service ll procedure to ensure enough coolant
is added. To purchase a service manual, see
Service Publications Ordering Information
on page 430.
316

Each new wheel should have the same
load-carrying capacity, diameter, width, offset
and be mounted the same way as the one
it replaces.
If you need to replace any of your wheels,
wheel bolts, or wheel nuts, replace them only
with new GM original equipment parts. This way,
you will be sure to have the right wheel, wheel
bolts, and wheel nuts for your vehicle.
{CAUTION:
Using the wrong replacement wheels,
wheel bolts, or wheel nuts on your vehicle
can be dangerous. It could affect the
braking and handling of your vehicle,
make your tires lose air and make you
lose control. You could have a collision
in which you or others could be injured.
Always use the correct wheel, wheel bolts,
and wheel nuts for replacement.Notice:The wrong wheel can also cause
problems with bearing life, brake cooling,
speedometer or odometer calibration, headlamp
aim, bumper height, vehicle ground clearance,
and tire or tire chain clearance to the body and
chassis.
SeeChanging a Flat Tire on page 358for more
information.
Used Replacement Wheels
{CAUTION:
Putting a used wheel on your vehicle is
dangerous. You cannot know how it has
been used or how far it has been driven.
It could fail suddenly and cause a crash.
If you have to replace a wheel, use a new
GM original equipment wheel.
356

Fuses Usage
SPARES Spares
Blank Not Used
Blank Not UsedFuses Usage
REAR DEFOG Rear Defogger
COOL FAN2 Engine Cooling Fan High Speed
CRNK Starter
387

Fuses Usage
COOL FAN 1 Engine Cooling Fan Low Speed
BCM3 Body Control Module 3
BCM2 Body Control Module 2
FOG LAMP Fog Lamps
HORN Horn
RT HI BEAM Passenger’s Side High Beam
LT HI BEAM Driver’s Side High Beam
RT LO BEAM Passenger’s Side Low Beam
LT LO BEAM Driver’s Side Low Beam
DRL Daytime Running Lamps
FUEL PUMP Fuel Pump
EXH Exhaust Emissions
Blank Not Used
INJ Injectors
Blank Not Used
ABS Anti-lock Brake System
PCM/ECMPowertrain Control Module/
Engine Control ModuleFuses Usage
EPS Electric Power Steering
AIR PUMP AIR Pump
PRK LAMP Park Lamps
WPR Windshield Wiper
IP IGN Ignition
A/C CLTCH Air Conditioning Clutch
AIR SOL/
AFTERCOOLAIR Solenoid (L61, LE5),
Aftercooler (L4)
ABS2 Anti-lock Brake System 2
PRK/NEUT Park, Neutral
ECM/TRANS Engine Control Module, Transaxle
BCK UP Back-Up Lamps
TRUNK/
OUTLETTrunk, Accessory Power Outlet
Blank Not Used
Blank Not Used
S BAND/
ONSTARAudio, OnStar
®
ABS3 Anti-lock Brake System 3
388

Fuses Usage
LTR Cigarette Lighter
MIR Mirrors
HTD SEATS Heated Seats
CNSTR VENT Canister Vent
Relays Usage
REAR DEFOG Rear Defogger
COOL FAN2 Engine Cooling Fan 2
WPR HI/LO Windshield Wiper High/Low Speed
CRNK Starter
COOL FAN1 Engine Cooling Fan 1
FUEL PUMP Fuel Pump
Relays Usage
WPR ON/OFF Windshield Wiper On/Off
COOL FANS Engine Cooling Fans
PWR/TRN Powertrain
AIR PUMP AIR Pump
A/C CLTCH Air Conditioning Clutch
AIR SOL/
AFTERCOOLAIR Solenoid (L61, LE5),
Aftercooler (L4)
RUN/CRNK Run, Crank
Misc. Usage
PLR Fuse Puller
389

Capacities and Specications
The following approximate capacities are given in English and metric conversions. Please refer to
Recommended Fluids and Lubricants on page 406for more information.
ApplicationCapacities
English Metric
Air Conditioning Refrigerant R134aFor the air conditioning system refrigerant
charge amount, see the refrigerant caution
label located under the hood. See your dealer
for more information.
Cooling System
2.0L L4 Engine Supercharged 9.2 qt 8.7 L
2.2L L4 Engine 7.4 qt 7.0 L
2.4L L4 Engine 7.4 qt 7.0 L
Intercooler System 2.0L Engine 2.1 qt 1.95 L
Engine Oil with Filter
2.2L L4 and 2.4L L4 Engines 5.0 qt 4.7 L
2.0L L4 Engine Supercharged 6.0 qt 5.7 L
Fuel Tank
2.2L L4 Engine (with NU6 emissions) sold new in CA, ME,
VT, NY, NH, MA (see your dealer for bordering states)13.5 gal 51.1 L
2.2L L4 Engine (without NU6 emissions) sold new in all
other states (see your dealer for more information)13.0 gal 49.2 L
390

Scheduled Maintenance (cont’d)
Service MaintenanceIMaintenanceII
Perform any needed additional services. See “Additional Required Services” in
this section.••
Inspect suspension and steering components.See footnote (b).•
Inspect engine cooling system.See footnote (c).•
Inspect wiper blades.See footnote (d).•
Inspect restraint system components.See footnote (e).•
Lubricate body components.See footnote (f).•
Replace passenger compartment air lter.See footnote (l).•
Inspect throttle system.See footnote (g).•
Additional Required Services
The following services should be performed at the rst maintenance service (IorII) after the indicated
miles (kilometers) shown for each item.
Additional Required Services
Service and Miles (Kilometers)25,000
(40 000)50,000
(80 000)75,000
(120 000)100,000
(160 000)125,000
(200 000)150,000
(240 000)
Inspect fuel system for damage or leaks.• •••••
Inspect exhaust system for loose or
damaged components.• •••••
398

Additional Required Services (cont’d)
Service and Miles (Kilometers)25,000
(40 000)50,000
(80 000)75,000
(120 000)100,000
(160 000)125,000
(200 000)150,000
(240 000)
Replace engine air cleaner lter. See
Engine Air Cleaner/Filter on page 300.•••
Change automatic transmission uid
and lter (severe service only).
See footnote (h).•••
Replace spark plugs.An Emission
Control Service.•
Engine cooling system service
(or every ve years, whichever occurs
rst).An Emission Control Service.
See footnote (i).•
2.0L Supercharged Engine: Intercooler
system service (or every ve years,
whichever occurs rst).See footnote (n).•
Inspect engine accessory drive belt.
An Emission Control Service.
See footnote (m).•
399

Maintenance Footnotes
(a)Visually inspect brake lines and hoses for
proper hook-up, binding, leaks, cracks, chang, etc.
Inspect disc brake pads for wear and rotors for
surface condition. Inspect drum brake linings/shoes
for wear or cracks. Inspect other brake parts,
including drums, wheel cylinders, calipers,
parking brake, etc.
(b)Visually inspect front and rear suspension and
steering system for damaged, loose, or missing
parts or signs of wear. Inspect power steering
cables for proper hook-up, binding, cracks,
chang, etc.
(c)Visually inspect hoses and have them replaced
if they are cracked, swollen, or deteriorated.
Inspect all pipes, ttings and clamps; replace
with genuine parts as needed. To help ensure
proper operation, a pressure test of the cooling
system and pressure cap and cleaning the outside
of the radiator and air conditioning condenser is
recommended at least once a year.(d)Inspect wiper blades for wear, cracking,
or contamination. Clean the windshield and wiper
blades, if contaminated. Replace wiper blades
that are worn or damaged. See Windshield Wiper
Blade Replacement on page 337andWindshield
and Wiper Blades on page 378for more
information.
(e)Make sure the safety belt reminder light and all
your belts, buckles, latch plates, retractors, and
anchorages are working properly. Look for
any other loose or damaged safety belt system
parts. If you see anything that might keep a safety
belt system from doing its job, have it repaired.
Have any torn or frayed safety belts replaced.
Also look for any opened or broken airbag
coverings, and have them repaired or replaced.
The airbag system does not need regular
maintenance.
(f)Lubricate all key lock cylinders, door hinges
and latches, hood hinges and latches, and trunk lid
hinges and latches. More frequent lubrication
may be required when exposed to a corrosive
environment. Applying silicone grease on
weatherstrips with a clean cloth will make them
last longer, seal better, and not stick or squeak.
400

(g)Check system for interference or binding and
for damaged or missing parts. Replace parts
as needed. Replace any components that have
high effort or excessive wear. Do not lubricate
accelerator or cruise control cables.
(h)Change automatic transmission uid and lter
if the vehicle is mainly driven under one or
more of these conditions:
In heavy city traffic where the outside
temperature regularly reaches 90°F (32°C) or
higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police, or delivery
service.
If you do not use your vehicle under any of these
conditions, the uid and lter do not require
changing.
(i)Drain, ush, and rell cooling system. This
service can be complex; you should have
your dealer/retailer perform this service. See
Engine Coolant on page 302 for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap, and ller neck. Pressure test the cooling
system and pressure cap.(j)A uid loss in any vehicle system could indicate
a problem. Have the system inspected and repaired
and the uid level checked. Add uid if needed.
(k)If you drive regularly under dusty conditions,
inspect the lter at each engine oil change.
(l)If you drive regularly under dusty conditions,
the lter may require replacement more often.
(m)Visually inspect belt for fraying, excessive
cracks, or obvious damage. Replace belt if
necessary.
(n)Drain, ush, and rell intercooler system. This
service can be complex; you should have your
dealer/retailer perform this service. See Engine
Coolant on page 302for what to use. Inspect
hoses. Clean pressure cap and ller neck.
Pressure test the system and pressure cap.
401