2005 CHEVROLET COBALT cooling

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, seeService Publications
Ordering Information on page 7-11.
Windshield Washer Fluid
What to Use
When you need windshield washer uid, be sure to read
the manufacturer’s instructions before use. If you will
be operating your vehicle in an area where the
temperature may fall below freezing, use a uid that has
sufficient protection against freezing.
5-35

Wheel Alignment and Tire Balance
The tires and wheels on your vehicle were aligned
and balanced carefully at the factory to give you the
longest tire life and best overall performance.
Adjustments to wheel alignment and tire balancing will
not be necessary on a regular basis. However, if
you notice unusual tire wear or your vehicle pulling to
one side or the other, the alignment may need to
be checked. If you notice your vehicle vibrating when
driving on a smooth road, your tires and wheels
may need to be rebalanced. See your dealer for proper
diagnosis.
Wheel Replacement
Replace any wheel that is bent, cracked or badly rusted
or corroded. If wheel nuts keep coming loose, the
wheel, wheel bolts and wheel nuts should be replaced.
If the wheel leaks air, replace it (except some
aluminum wheels, which can sometimes be repaired).
See your dealer if any of these conditions exist.
Your dealer will know the kind of wheel you need.
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 5-70for more
information.
5-67

Fuses Usage
SPARES Spares
Blank Not Used
Blank Not Used
RDFG Rear Defogger
COOL/ FAN2 Cooling Fan 2
CRNK Starter
COOL/ FAN 1 Engine Cooling Fan
BCM3 Body Control Module 3
BCM2 Body Control Module 2
FOG LP Fog Lamps
HORN Horn
RH LO BEAM Passenger’s Side Low Beam
LH LO BEAM Driver’s Side Low Beam
RH HI BEAM Passenger’s Side High Beam
LH HI BEAM Driver’s Side High Beam
Blank Not Used
FUEL PMP Fuel Pump
EMISN Emissions
Blank Not Used
INJ Injectors
Blank Not UsedFuses Usage
ABS Anti-lock Brake System
PCM/ECMPowertrain Control Module/Engine
Control Module
EPS Electric Power Steering
Blank Not Used
PRK LPS Park Lamps
WPR Windshield Wiper
IP IGN Ignition
A/C CLTCH Air Conditioning Clutch
AFTRCOOL Aftercooler
ABS2 Anti-lock Brake System
PRK/NEUT Park, Neutral
ECM/TRANSEngine Control Module,
Transmission
BCK UP Back-Up Lamps
TRUNK/
OUTLETTrunk, Accessory Power Outlet
Blank Not Used
Blank Not Used
S BAND/
ONSTARAudio, OnStar
®
Blank Not Used
5-95

Fuses Usage
LTR Cigarette Lighter
MIR (S) Mirrors
HTD SEATS Heated Seats
CNSTR VENT Canister Vent
Relays Usage
RDFG Rear Defogger
COOL/ FAN2 Cooling Fan 2
WPR2 Windshield Wiper 2
CRNK Starter
Relays Usage
COOL/ FAN1 Cooling Fan 1
FUEL PUMP Fuel Pump
WPR1 Windshield Wiper 1
COOL
SER/PARSeries/Parallel Cooling Fan
(Cobalt SS)
PWR/TRN Powertrain
A/C CLTCH Air Conditioning Clutch
AFTRCOOL Aftercooler Pump (Cobalt SS)
RUN/CRNK Run, Crank
5-96

Capacities and Specications
The following approximate capacities are given in English and metric conversions. Please refer toRecommended
Fluids and Lubricants on page 6-12for more information.
ApplicationCapacities
English Metric
Air Conditioning Refrigerant R134a 1.0 lbs 0.45 kg
Cooling System
2.2L Engine 6.8 quarts 6.5 L
2.0L Engine 7.4 quarts 7.0 L
Intercooler System 2.0L Engine 2.0 quarts 1.9 L
Engine Oil with Filter 5.0 quarts 4.7 L
Fuel Tank 13.5 gallons 51.1 L
Transaxle, Automatic (Complete Drain and Rell) 7.0 quarts 6.6 L
Transaxle, Manual (Complete Drain and Rell) 1.8 quarts 1.7 L
Wheel Nut Torque 100 ft lb 140Y
All capacities are approximate. When adding, be sure to ll to the appropriate level, as recommended in this
manual.
Engine Specications
Engine VIN Code Transaxle Spark Plug Gap
2.2L L4 FAutomatic
Manual0.04 inch (1.0 mm)
2.0L L4 (Supercharged) P Manual 0.04 inch (1.0 mm)
5-97

Scheduled Maintenance
Service MaintenanceIMaintenanceII
Change engine oil and lter. SeeEngine Oil on page 5-15. Reset oil life
system. SeeEngine Oil Life System on page 5-19.An Emission Control
Service.••
Visually check for any leaks or damage.See footnote (j).••
Inspect engine air cleaner lter. If necessary, replace lter. SeeEngine Air
Cleaner/Filter on page 5-21.See footnote (k).•
Rotate tires and check ination pressures and wear. SeeTire Inspection and
Rotation on page 5-63and “Tire Wear Inspection” inAt Least Once a Month
on page 6-9.••
Inspect brake system.See footnote (a).••
Check engine coolant and windshield washer uid levels and add uid as
needed.••
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).•
Inspect throttle system.See footnote (g).•
6-5

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
(41 500)50,000
(83 000)75,000
(125 000)100,000
(166 000)125,000
(207 500)150,000
(240 000)
Inspect fuel system for damage or leaks.••••••
Inspect exhaust system for loose or
damaged components.••••••
Replace engine air cleaner lter. See
Engine Air Cleaner/Filter on page 5-21.•• •
Change automatic transaxle 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).•
Inspect engine accessory drive belt.An
Emission Control Service. See footnote (m).•
6-6

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 lines and hoses
for proper hook-up, binding, leaks, 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 GM
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)Visually inspect wiper blades for wear or cracking.
Replace wiper blades that appear worn or damaged
or that streak or miss areas of the windshield.(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.
(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.
6-7