check engine CHEVROLET COBALT 2007 1.G Service Manual

Owner Checks and Services
These owner checks and services should be
performed at the intervals specied to help
ensure the safety, dependability, and emission
control performance of your vehicle. Your
GM Goodwrench
®dealer can assist you with
these checks and services.
Be sure any necessary repairs are completed at
once. Whenever any uids or lubricants are added
to your vehicle, make sure they are the proper
ones, as shown inRecommended Fluids and
Lubricants on page 406.
At Each Fuel Fill
It is important to perform these underhood checks
at each fuel ll.
Engine Oil Level Check
Check the engine oil level and add the proper
oil if necessary. SeeEngine Oil on page 293for
further details.Notice:It is important to check the engine oil
regularly and keep it at the proper level.
Failure to keep the engine oil at the proper
level can cause damage to the engine not
covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary. See
Engine Coolant on page 302for further details.
Intercooler Coolant Level Check
(2.0L Supercharged Engine)
Check the coolant level and add DEX-COOL®
coolant mixture if necessary. SeeEngine Coolant
on page 302for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in
the windshield washer uid reservoir and add the
proper uid if necessary.
402

At Least Once a Month
Tire Ination Check
Inspect your vehicle’s tires and make sure they
are inated to the correct pressures. Do not forget
to check the spare tire. SeeInation - Tire
Pressure on page 347. Check to make sure the
spare tire is stored securely. SeeChanging a Flat
Tire on page 358.
Tire Wear Inspection
Tire rotation may be required for high mileage
highway drivers prior to the Engine Oil Life System
service notication. Check the tires for wear
and, if necessary, rotate the tires. SeeTire
Inspection and Rotation on page 349.
At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough
room around the vehicle.
2. Firmly apply both the parking brake and the
regular brake. SeeParking Brake on
page 123.
Do not use the accelerator pedal, and be
ready to turn off the engine immediately if it
starts.
3. On automatic transaxle vehicles, try to start
the engine in each gear. The vehicle should
start only in PARK (P) or NEUTRAL (N). If the
vehicle starts in any other position, contact
your GM Goodwrench
®dealer for service.
403

On manual transaxle vehicles, put the shift
lever in NEUTRAL, push the clutch pedal
down halfway, and try to start the engine. The
vehicle should start only when the clutch
pedal is pushed down all the way to the oor.
If the vehicle starts when the clutch pedal
is not pushed all the way down, contact your
GM Goodwrench
®dealer for service.
Automatic Transaxle Shift Lock Control
System Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the
vehicle moves, you or others could be
injured.
1. Before you start, be sure you have enough
room around the vehicle. It should be parked
on a level surface.2. Firmly apply the parking brake. SeeParking
Brake on page 123.
Be ready to apply the regular brake
immediately if the vehicle begins to move.
3. With the engine off, turn the ignition to RUN,
but do not start the engine. Without applying
the regular brake, try to move the shift
lever out of PARK (P) with normal effort. If the
shift lever moves out of PARK (P), contact
your GM Goodwrench
®dealer for service.
Ignition Transaxle Lock Check
While parked, and with the parking brake set, try
to turn the ignition to LOCK in each shift lever
position.
With an automatic transaxle, the ignition
should turn to LOCK only when the shift lever
is in PARK (P). The ignition key should
come out only in LOCK.
With a manual transaxle, the ignition key
should come out only in LOCK.
Turn the steering wheel to the left and to the right. It
should only lock when turned to the right. Contact
your GM Goodwrench
®dealer if service is required.
404

Parking Brake and Automatic Transaxle
Park (P) Mechanism Check
{CAUTION:
When you are doing this check, your
vehicle could begin to move. You or
others could be injured and property
could be damaged. Make sure there is
room in front of your vehicle in case it
begins to roll. Be ready to apply the
regular brake at once should the vehicle
begin to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular
brake, set the parking brake.
To check the parking brake’s holding ability:
With the engine running and transaxle in
NEUTRAL (N), slowly remove foot pressure
from the regular brake pedal. Do this until the
vehicle is held by the parking brake only.
To check the PARK (P) mechanism’s holding
ability: With the engine running, shift to
PARK (P). Then release the parking brake
followed by the regular brake.
Contact your GM Goodwrench
®dealer if service is
required.
Underbody Flushing Service
At least every spring, use plain water to ush any
corrosive materials from the underbody. Take
care to clean thoroughly any areas where mud and
other debris can collect.
405

ORDER TOLL FREE: 1-800-551-4123
Monday-Friday 8:00 AM - 6:00 PM
Eastern Time
For Credit Card Orders Only
(VISA-MasterCard-Discover), visit Helm, Inc.
on the World Wide Web at: www.helminc.com
Or you can write to:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207
Prices are subject to change without notice and
without incurring obligation. Allow ample time
for delivery.
Note to Canadian Customers: All listed prices are
quoted in U.S. funds. Canadian residents are
to make checks payable in U.S. funds.
Vehicle Data Recording and
Privacy
Your GM vehicle has a number of sophisticated
computers that record information about the
vehicle’s performance and how it is driven.
For example, your vehicle uses computer modules
to monitor and control engine and transmission
performance, to monitor the conditions for airbag
deployment and deploy airbags in a crash and,
if so equipped, to provide anti-lock braking to help
the driver control the vehicle. These modules may
store data to help your dealer/retailer technician
service your vehicle. Some modules may also store
data about how you operate the vehicle, such as
rate of fuel consumption or average speed. These
modules may also retain the owner’s personal
preferences, such as radio pre-sets, seat positions,
and temperature settings.
432

C
California Fuel............................................. 283
California Proposition 65 Warning................ 281
Canadian Owners........................................... 3
Capacities and Specications...................... 390
Carbon Monoxide.....102, 128, 254, 267, 268
Care of
Safety Belts............................................. 376
Your CD Player........................................ 224
Your CDs ................................................. 224
CD, MP3 ..................................................... 212
Center Console Storage Area...................... 136
Center High-Mounted Stoplamp (CHMSL).... 333
Chains, Tire................................................. 357
Charging System Light................................ 170
Check
Engine Light............................................ 174
Checking Things Under the Hood................ 288
Chemical Paint Spotting.............................. 381
Child Restraints
Child Restraint Systems............................. 47
Infants and Young Children........................ 43
Lower Anchors and Tethers for Children..... 53
Older Children........................................... 40
Securing a Child Restraint in a
Rear Seat Position................................. 61Child Restraints (cont.)
Securing a Child Restraint in the
Right Front Seat Position........................ 64
Where to Put the Restraint........................ 52
Cigarette Lighter.......................................... 157
Cleaning
Aluminum or Chrome-Plated Wheels........ 378
Exterior Lamps/Lenses............................. 377
Fabric/Carpet........................................... 374
Finish Care.............................................. 377
Inside of Your Vehicle.............................. 373
Instrument Panel, Vinyl, and
Other Plastic Surfaces.......................... 376
Leather.................................................... 375
Tires........................................................ 379
Underbody Maintenance........................... 380
Washing Your Vehicle.............................. 377
Weatherstrips........................................... 376
Windshield and Wiper Blades................... 378
Climate Control System............................... 158
Air Filter, Passenger Compartment ........... 162
Outlet Adjustment..................................... 161
Clock.......................................................... 194
Clutch, Hydraulic......................................... 302
Collision Damage Repair............................. 425
Comfort Guides, Rear Safety Belt................. 36
Compact Spare Tire.................................... 372
437

Driving
At Night................................................... 243
City.......................................................... 248
Defensive................................................. 226
Drunken................................................... 227
Freeway................................................... 249
Hill and Mountain Roads.......................... 252
In Rain and on Wet Roads...................... 244
Rocking Your Vehicle to Get it Out.......... 259
Winter...................................................... 254
E
Easy Entry Seat............................................ 15
EDR ............................................................ 432
Electrical System
Add-On Equipment................................... 383
Engine Compartment Fuse Block............. 386
Floor Console Fuse Block........................ 384
Fuses and Circuit Breakers...................... 384
Headlamp Wiring..................................... 383
Power Windows and Other
Power Options...................................... 383
Windshield Wiper Fuses........................... 383Engine
Air Cleaner/Filter...................................... 300
Check and Service Engine Soon Light..... 174
Coolant.................................................... 302
Coolant Heater......................................... 117
Coolant Temperature Warning Light.......... 174
Drive Belt Routing.................................... 409
Engine Compartment Overview................ 290
Exhaust................................................... 128
Oil ........................................................... 293
Oil Life System........................................ 298
Overheating............................................. 309
Running While Parked............................. 129
Starting.................................................... 115
Enhanced Traction System (ETS)................ 234
Warning Light........................................... 173
Entry/Exit Lighting....................................... 155
Event Data Recorders................................. 433
Extender, Safety Belt..................................... 39
439

O
Odometer.................................................... 166
Off-Road Recovery...................................... 239
Oil
Engine..................................................... 293
Pressure Light.......................................... 178
Oil, Engine Oil Life System......................... 298
Older Children, Restraints............................. 40
Online Owner Center................................... 417
OnStar, Privacy........................................... 434
OnStar
®System, see OnStar®Manual........ 132
Other Warning Devices................................ 144
Outlet Adjustment........................................ 161
Outlets
Accessory Power..................................... 156
Outside
Convex Mirror.......................................... 131
Manual Mirror.......................................... 130
Power Mirrors.......................................... 131
Remote Control Mirror.............................. 130
Owner Checks and Services....................... 402
Owners, Canadian.......................................... 3
P
Paint, Damage............................................ 380
Park (P)
Shifting Into............................................. 124
Shifting Out of......................................... 126
Parking
Brake....................................................... 123
Over Things That Burn............................ 127
Parking Your Vehicle................................... 126
Passenger Airbag Status Indicator............... 168
Passenger Compartment Air Filter............... 162
Passenger Sensing System........................... 77
Passing....................................................... 239
PASS-Key
®III+........................................... 109
PASS-Key®III+ Operation........................... 109
Power
Door Locks................................................ 99
Electrical System..................................... 383
Retained Accessory (RAP)....................... 115
Windows.................................................. 105
Pretensioners, Safety Belt............................. 39
Privacy........................................................ 432
Event Data Recorders.............................. 433
Navigation System................................... 434
OnStar..................................................... 434
Radio Frequency Identication.................. 434
Programmable Automatic Door Unlock......... 100
444

Q
Questions and Answers About Safety Belts.... 22
R
Racing or Other Competitive Driving............ 242
Radio Frequency Identication (RFID),
Privacy..................................................... 434
Radios........................................................ 192
Care of Your CD Player........................... 224
Care of Your CDs.................................... 224
Radio with CD................................197, 202
Setting the Time...................................... 194
Theft-Deterrent......................................... 222
Understanding Reception......................... 223
Rear Door Security Locks........................... 100
Rear Safety Belt Comfort Guides.................. 36
Rear Seat Passengers, Safety Belts.............. 33
Rearview Mirror with OnStar
®...................... 130
Rearview Mirrors......................................... 130
Reclining Seatbacks...................................... 12
Recommended Fluids and Lubricants.......... 406
Recreational Vehicle Towing........................ 265Remote Keyless Entry (RKE) System............ 91
Remote Keyless Entry (RKE) System,
Operation................................................... 92
Removing the Flat Tire and Installing the
Spare Tire................................................ 364
Removing the Spare Tire and Tools............ 360
Replacement Bulbs..................................... 337
Reporting Safety Defects
Canadian Government............................. 429
General Motors........................................ 430
United States Government....................... 429
Restraint System Check
Checking the Restraint Systems................. 84
Replacing Restraint System Parts
After a Crash......................................... 85
Retained Accessory Power (RAP)................ 115
Right Front Passenger Position,
Safety Belts............................................... 32
Roadside
Assistance Program................................. 420
Rocking Your Vehicle to Get it Out.............. 259
Routing, Engine Drive Belt.......................... 409
Running the Engine While Parked............... 129
445