2007 CHEVROLET CORVETTE check engine

You can run the engine to keep warm, but
be careful.
{CAUTION:
Snow can trap exhaust gases under
your vehicle. This can cause deadly
CO (carbon monoxide) gas to get inside.
CO could overcome you and kill you.
You cannot see it or smell it, so you
might not know it is in your vehicle.
Clear away snow from around the base
of your vehicle, especially any that is
blocking the exhaust pipe. And check
around again from time to time to be
sure snow does not collect there.
Open a window just a little on the side of
the vehicle that is away from the wind.
This will help keep CO out.
Run your engine only as long as you must.
This saves fuel. When you run the engine, make it
go a little faster than just idle. That is, push the
accelerator slightly. This uses less fuel for the heat
that you get and it keeps the battery charged.
307

Service........................................................ 319
Accessories and Modications................... 319
California Proposition 65 Warning.............. 320
Doing Your Own Service Work.................. 320
Adding Equipment to the Outside
of Your Vehicle...................................... 321
Fuel............................................................. 321
Gasoline Octane........................................ 321
Gasoline Specications.............................. 322
California Fuel........................................... 322
Additives................................................... 323
Fuels in Foreign Countries........................ 324
Filling the Tank......................................... 324
Filling a Portable Fuel Container............... 327
Checking Things Under the Hood.............. 328
Hood Release........................................... 329
Engine Compartment Overview.................. 330
Engine Oil................................................. 333
Engine Oil Life System.............................. 340
Engine Air Cleaner/Filter............................ 342
Automatic Transmission Fluid.................... 345
Manual Transmission Fluid........................ 345
Hydraulic Clutch........................................ 346
Engine Coolant.......................................... 347
Coolant Surge Tank Pressure Cap............ 350Engine Overheating................................... 350
Overheated Engine Protection
Operating Mode..................................... 352
Cooling System......................................... 353
Power Steering Fluid................................. 358
Windshield Washer Fluid........................... 360
Brakes...................................................... 361
Battery...................................................... 364
Jump Starting............................................ 365
Rear Axle.................................................... 370
Bulb Replacement....................................... 371
High Intensity Discharge (HID) Lighting..... 371
Halogen Bulbs........................................... 372
Headlamps, Front Turn Signal, and
Parking Lamps....................................... 372
Taillamps, Turn Signal, and Stoplamps...... 374
Replacement Bulbs................................... 374
Windshield Replacement............................ 375
Windshield Wiper Blade Replacement....... 375
Tires............................................................ 378
Winter Tires.............................................. 379
Tire Sidewall Labeling............................... 380
Tire Terminology and Denitions............... 382
Extended Mobility Tires............................. 384
Ination - Tire Pressure............................. 386
Section 5 Service and Appearance Care
317

If you want to do some of your own service
work, you should use the proper service manual.
It tells you much more about how to service
your vehicle than this manual can. To order the
proper service manual, seeService Publications
Ordering Information on page 468.
Your vehicle has an airbag system. Before
attempting to do your own service work,
seeServicing Your Airbag-Equipped Vehicle
on page 64.
You should keep a record with all parts receipts
and list the mileage and the date of any service
work you perform. SeeMaintenance Record
on page 447.
Adding Equipment to the Outside
of Your Vehicle
Things you might add to the outside of your
vehicle can affect the airow around it. This may
cause wind noise and affect windshield washer
performance. Check with your dealer before
adding equipment to the outside of your vehicle.
Fuel
Use of the recommended fuel is an important
part of the proper maintenance of your vehicle.
To help keep the engine clean and maintain
optimum vehicle performance, GM recommends
the use of gasoline advertised as TOP TIER
Detergent Gasoline.
The 8th digit of the Vehicle Identication
Number (VIN) shows the code letter or number
that identies your vehicle’s engine. The VIN is at
the top left of the instrument panel. SeeVehicle
Identication Number (VIN) on page 418.
Gasoline Octane
If your vehicle has the 6.0L V8 engine (VIN Code U),
use premium unleaded gasoline with a posted
octane rating of 91 or higher. You may also use
regular unleaded gasoline rated at 87 octane or
higher, but your vehicle’s acceleration may be
slightly reduced, and you may notice a slight
audible knocking noise, commonly referred to as
spark knock. If the octane is less than 87, you may
notice a heavy knocking noise when you drive.
321

If this occurs, use a gasoline rated at 87 octane or
higher as soon as possible. Otherwise, you might
damage your engine. If you are using gasoline
rated at 87 octane or higher and you hear heavy
knocking, your engine needs service.
If your vehicle has the 7.0L V8 engine
(VIN Code E), use premium unleaded gasoline
with a posted octane rating of 91 or higher.
For best performance, use premium unleaded
gasoline with a posted octane rating of 93.
In an emergency, you can use regular unleaded
gasoline with an octane rating of 87 or higher.
If 87 octane fuel is used, do not perform any
aggressive driving maneuvers such as wide open
throttle applications. You may also hear audible
spark knock during acceleration. Rell your
tank with premium fuel as soon as possible to
avoid damaging your engine. If you are using
gasoline rated at 91 octane or higher and you
hear heavy knocking, your engine needs service.Gasoline Specications
At a minimum, gasoline should meet ASTM
specication D 4814 in the United States or
CAN/CGSB-3.5 in Canada. Some gasolines may
contain an octane-enhancing additive called
methylcyclopentadienyl manganese tricarbonyl
(MMT). General Motors recommends against the
use of gasolines containing MMT. SeeAdditives
on page 323for additional information.
California Fuel
If your vehicle is certied to meet California
Emissions Standards, it is designed to operate on
fuels that meet California specications. See the
underhood emission control label. If this fuel is not
available in states adopting California emissions
standards, your vehicle will operate satisfactorily
on fuels meeting federal specications, but
emission control system performance may be
affected. The malfunction indicator lamp may turn
on and your vehicle may fail a smog-check test.
SeeMalfunction Indicator Lamp on page 200.
322

Fuels in Foreign Countries
If you plan on driving in another country outside
the United States or Canada, the proper fuel
might be hard to nd. Never use leaded gasoline
or any other fuel not recommended in the
previous text on fuel. Costly repairs caused by
use of improper fuel would not be covered
by your warranty.
To check the fuel availability, ask an auto club,
or contact a major oil company that does business
in the country where you will be driving.
Filling the Tank
{CAUTION:
Fuel vapor burns violently and a fuel re
can cause bad injuries. To help avoid
injuries to you and others, read and follow
all the instructions on the pump island.
Turn off your engine when you are
refueling. Do not smoke if you are near
fuel or refueling your vehicle. Do not use
cellular phones. Keep sparks, ames,
and smoking materials away from fuel.
Do not leave the fuel pump unattended
when refueling your vehicle. This is
against the law in some places. Do not
re-enter the vehicle while pumping fuel.
Keep children away from the fuel pump;
never let children pump fuel.
324

Checking Things Under
the Hood
{CAUTION:
An electric fan under the hood can start
up and injure you even when the engine
is not running. Keep hands, clothing,
and tools away from any underhood
electric fan.
{CAUTION:
Things that burn can get on hot engine
parts and start a re. These include
liquids like fuel, oil, coolant, brake uid,
windshield washer and other uids, and
plastic or rubber. You or others could be
burned. Be careful not to drop or spill
things that will burn onto a hot engine.
328

A. Clutch Master Cylinder Reservoir
(If Equipped). SeeHydraulic Clutch
on page 346.
B. Windshield Washer Fluid Reservoir.
See “Adding Washer Fluid” under
Windshield Washer Fluid on page 360.
C. Brake Fluid Reservoir. See “Brake Fluid”
underBrakes on page 361.
D. Coolant Surge Tank and Pressure Cap.
SeeEngine Coolant on page 347.
E. Engine Air Cleaner/Filters. SeeEngine
Air Cleaner/Filter on page 342.F. Power Steering Fluid Reservoir.
SeePower Steering Fluid on page 358.
G. Engine Oil Fill Cap. See “When to Add Engine
Oil” underEngine Oil on page 333.
H. Engine Oil Dipstick. See “Checking Engine Oil”
underEngine Oil on page 333.
I. Engine Compartment Fuse Block. SeeEngine
Compartment Fuse Block on page 422.
J. Passenger Compartment Air Filter (Out of View).
SeePassenger Compartment Air Filter on
page 186.
K. Battery. SeeBattery on page 364.
331

A. Engine Air Cleaner/Filter. SeeEngine
Air Cleaner/Filter on page 342.
B. Power Steering Fluid Reservoir.
SeePower Steering Fluid on page 358.
C. Engine Compartment Fuse Block. SeeEngine
Compartment Fuse Block on page 422.
D. Remote Positive Terminal (Out of View).
SeeBattery on page 364.
E. Engine Oil Dipstick. See “Checking Engine Oil”
underEngine Oil on page 333.
F. Dry Sump Engine Oil Tank. See “Changing
Engine Oil and Filter (Z06 Only)”Engine Oil
on page 333.
G. Engine Oil Fill Cap. See “When to Add
Engine Oil” underEngine Oil on page 333.
H. Coolant Surge Tank and Pressure Cap.
SeeEngine Coolant on page 347.
I. Windshield Washer Fluid Reservoir.
See “Adding Washer Fluid” under
Windshield Washer Fluid on page 360.
J. Brake Fluid Reservoir. See “Brake Fluid”
underBrakes on page 361.
K. Clutch Master Cylinder Reservoir.
SeeHydraulic Clutch on page 346.Engine Oil
Checking Engine Oil (Except Z06)
If the CHECK OIL LEVEL message on the Driver
Information Center (DIC) comes on, check the
engine oil level right away. For more information,
seeDriver Information Center (DIC) on page 207.
You should check the engine oil level regularly;
this is an added reminder.
It is a good idea to check the engine oil level
every time you get fuel. In order to get an accurate
reading, the oil must be warm and the vehicle
must be on level ground.
The engine oil dipstick handle is a yellow loop.
SeeEngine Compartment Overview on page 330
for the location of the engine oil dipstick.
1. Turn off the engine and give the oil a few
minutes to drain back into the oil pan. If
you do not do this, the oil dipstick might not
show the actual level.
2. Pull out the dipstick and clean it with a
lint-free paper towel or a cloth, then push
it back in all the way. Remove it again,
keeping the tip down.
333