check engine CHEVROLET CORVETTE 2006 6.G Workshop Manual

Maintenance Schedule
Introduction
Important: Keep engine oil at the proper level and
change as recommended.
Have you purchased the GM Protection Plan? The Plan
supplements your new vehicle warranties. See your
Warranty and Owner Assistance booklet or your dealer
for details.
Maintenance Requirements
Notice:Maintenance intervals, checks, inspections,
replacement parts, and recommended uids and
lubricants as prescribed in this manual are
necessary to keep your vehicle in good working
condition. Any damage caused by failure to follow
scheduled maintenance may not be covered by
warranty.
Your Vehicle and the Environment
Proper vehicle maintenance not only helps to keep
your vehicle in good working condition, but also helps
the environment. All recommended maintenance is
important. Improper vehicle maintenance can even affect
the quality of the air we breathe. Improper uid levels or
the wrong tire ination can increase the level of emissions
from your vehicle. To help protect our environment, and
to keep your vehicle in good condition, be sure to
maintain your vehicle properly.
Using the Maintenance Schedule
We at General Motors want to help you keep your vehicle
in good working condition. But we do not know exactly
how you will drive it. You may drive very short distances
only a few times a week. Or you may drive long distances
all the time in very hot, dusty weather. You may use your
vehicle in making deliveries. Or you may drive it to work,
to do errands, or in many other ways.
Because of all the different ways people use their
vehicles, maintenance needs vary. You may need more
frequent checks and replacements. So please read
the following and note how you drive. If you have any
questions on how to keep your vehicle in good condition,
see your GM Goodwrench
®dealer.
6-2

Scheduled Maintenance
When the CHANGE ENGINE OIL message comes on,
it means that service is required for your vehicle. Have
your vehicle serviced as soon as possible within the next
600 miles (1 000 km). It is possible that, if you are driving
under the best conditions, the engine oil life system may
not indicate that vehicle service is necessary for over a
year. However, your engine oil and lter must be changed
at least once a year and at this time the system must be
reset. Your GM Goodwrench
®dealer has GM-trained
service technicians who will perform this work using
genuine GM parts and reset the system.
If the engine oil life system is ever reset accidentally, you
must service your vehicle within 3,000 miles (5 000 km)
since your last service. Remember to reset the oil life
system whenever the oil is changed. SeeEngine Oil Life
System on page 5-23for information on the Engine Oil
Life System and resetting the system.When the CHANGE ENGINE OIL message appears,
certain services, checks, and inspections are required.
Required services are described in the following for
“MaintenanceI” and “MaintenanceII.” Generally, it is
recommended that your rst service be MaintenanceI,
your second service be MaintenanceII, and that you
alternate MaintenanceIand MaintenanceIIthereafter.
However, in some cases, MaintenanceIImay be
required more often.
MaintenanceI— Use MaintenanceIif the message
comes on within 10 months since the vehicle was
purchased or MaintenanceIIwas performed.
MaintenanceII— Use MaintenanceIIif the previous
service performed was MaintenanceI. Always use
MaintenanceIIwhenever the message comes on
10 months or more since the last service or if the
message has not come on at all for one year.
6-4

Scheduled Maintenance
Service MaintenanceIMaintenanceII
Change engine oil and lter. SeeEngine Oil on page 5-16. Reset oil life
system. SeeEngine Oil Life System on page 5-23.An Emission Control
Service.••
Visually check for any leaks or damage.See footnote (g).••
Inspect engine air cleaner lter. If necessary, replace lter.
SeeEngine Air Cleaner/Filter on page 5-25.See footnote (k).•
Check tire ination pressures and tire wear. SeeTires on page 5-57.••
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).•
Replace passenger compartment air lter.See footnote (j).•
6-5

(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.
Uses such as high performance operation.
(i)Drain, ush, and rell cooling system. This service can
be complex; you should have your dealer perform this
service. See Engine Coolant on page 5-29 for what to
use. Inspect hoses. Clean radiator, condenser, pressure
cap, and ller neck. Pressure test the cooling system and
pressure cap.
(j)If you drive regularly under dusty conditions, the lter
may require replacement more often.
(k)If you drive regularly under dusty conditions, inspect
the lter at each engine oil change.
(l)Visually inspect belt for fraying, excessive cracks, or
obvious damage. Replace belt if necessary.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 6-12.
6-8

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 5-16for further
details.
Notice:It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your engine not covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary.
SeeEngine Coolant on page 5-29for 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.
At Least Once a Month
Tire Inspection and Ination Check
Visually inspect your tires for wear and make sure tires
are inated to the correct pressures. SeeTires on
page 5-57for further details.
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 2-33.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
6-9

3. On automatic transmission 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.
4. On manual transmission 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
is not pushed all the way down, contact your GM
Goodwrench
®dealer for service.
Automatic Transmission 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 2-33.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off and 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.
6-10

Parking Brake and Automatic
Transmission 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 transmission 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.
6-11

Check
Engine Light...............................................3-42
Checking Things Under the Hood......................5-10
Chemical Paint Spotting...................................5-90
Child Restraints
Child Restraint Systems...............................1-27
Infants and Young Children...........................1-25
Lower Anchors and Tethers for
Children..........................................1-31, 1-35
Older Children.............................................1-22
Securing a Child Restraint in the
Passenger Seat Position...........................1-35
Chime Level Adjustment.................................3-101
Cigarette Lighter.............................................3-25
Cleaning
Aluminum Wheels........................................5-89
Cargo Cover and Convenience Net................5-85
Coated Moldings.........................................5-84
Convertible Top...........................................5-88
Exterior Lamps/Lenses.................................5-86
Fabric/Carpet..............................................5-83
Fiberglass Springs.......................................5-90
Finish Care.................................................5-86
Inside of Your Vehicle..................................5-82
Instrument Panel, Vinyl, and Other
Plastic Surfaces.......................................5-85
Leather......................................................5-84
Removable Roof Panel.................................5-88
Tires..........................................................5-89Cleaning (cont.)
Underbody Maintenance...............................5-90
Washing Your Vehicle...................................5-86
Weatherstrips..............................................5-85
Windshield and Wiper Blades........................5-87
Climate Control System
Air Filter, Passenger Compartment.................3-31
Dual Automatic............................................3-25
Outlet Adjustment........................................3-30
Clutch, Hydraulic.............................................5-28
Collision Damage Repair..................................7-10
Compass...............................................2-38, 2-41
Competitive Driving, Racing or Other.................4-18
Control of a Vehicle.......................................... 4-6
Convenience Net............................................2-54
Convertible Top......................................2-60, 2-67
Coolant
Engine Temperature Gage............................3-41
Heater, Engine............................................2-24
Surge Tank Pressure Cap.............................5-32
Cooling System..............................................5-34
Courtesy Lamps.............................................3-19
Cruise Control................................................3-11
Cupholder(s)..................................................2-51
Customer Assistance Information
Courtesy Transportation.................................. 7-7
Customer Assistance for Text
Telephone (TTY) Users............................... 7-4
3

Engine
Air Cleaner/Filter.........................................5-25
Battery.......................................................5-45
Check and Service Engine Soon Light............3-42
Coolant......................................................5-29
Coolant Heater............................................2-24
Coolant Temperature Gage...........................3-41
Drive Belt Routing.......................................6-15
Engine Compartment Overview......................5-12
Exhaust.....................................................2-36
Oil .............................................................5-16
Oil Life System...........................................5-23
Oil Pressure Gage.......................................3-45
Overheated Protection Operating Mode...........5-34
Overheating................................................5-32
Starting......................................................2-23
Entry/Exit Lighting...........................................3-19
Event Data Recorders (EDR)............................. 7-9
Extended Mobility Tires....................................5-62
Extender, Safety Belt.......................................1-21
Exterior Lamps...............................................3-15
Exterior Lighting Battery Saver..........................3-19F
Filter
Engine Air Cleaner......................................5-25
Finish Damage...............................................5-90
Flashers, Hazard Warning.................................. 3-6
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-81
Floor Mats.....................................................2-51
Fluid
Automatic Transmission................................5-28
Manual Transmission....................................5-28
Power Steering...........................................5-40
Windshield Washer......................................5-41
Fog Lamp Light..............................................3-46
Fog Lamps ....................................................3-17
Front Air Dam................................................2-21
Fuel............................................................... 5-4
Additives...................................................... 5-6
California Fuel.............................................. 5-5
Filling a Portable Fuel Container....................5-10
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-6
Gage .........................................................3-47
Gasoline Octane........................................... 5-5
Gasoline Specications.................................. 5-5
5

Mirrors
Automatic Dimming Rearview with Compass....2-41
Automatic Dimming Rearview with
OnStar
®and Compass..............................2-38
Manual Rearview Mirror................................2-38
Outside Automatic Dimming Mirror.................2-44
Outside Convex Mirror.................................2-44
Outside Power Heated Mirrors.......................2-43
MyGMLink.com................................................ 7-3
N
Navigation/Radio System, see
Navigation Manual.......................................3-99
New Vehicle Break-In......................................2-21
Normal Maintenance Replacement Parts............6-14
O
Odometer......................................................3-34
Off-Road Recovery..........................................4-15
Oil
Engine.......................................................5-16
Engine Oil Pressure Gage............................3-45
Oil, Engine Oil Life System..............................5-23Older Children, Restraints................................1-22
One-to-Four Shift Light....................................3-38
Online Owner Center........................................ 7-3
OnStar
®System, see OnStar®Manual...............2-45
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-30
Outlet(s), Accessory Power...............................3-24
Outside
Automatic Dimming Mirror.............................2-44
Convex Mirror.............................................2-44
Power Heated Mirrors..................................2-43
Overheated Engine Protection Operating Mode.....5-34
Owner Checks and Services.............................. 6-8
Owners, Canadian............................................... ii
P
Paint, Damage...............................................5-90
Park (P)
Shifting Into................................................2-33
Shifting Out of............................................2-35
Parking
Brake........................................................2-33
Over Things That Burn.................................2-36
Parking Your Vehicle.......................................2-35
9