2005 CHEVROLET CORVETTE engine oil

(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 5-21 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 5-13for 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 5-21for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the windshield
washer tank 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 5-51for 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 2-30.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
6-9

Recommended Fluids and
Lubricants
Fluids and lubricants identied below by name, part
number or specication may be obtained from your
dealer.
Usage Fluid/Lubricant
Engine OilThe engine requires a special
engine oil meeting GM
Standard GM4718M. Oils meeting
this standard may be identied as
synthetic, and should also be
identied with the American
Petroleum Institute Certied for
Gasoline Engines starburst symbol.
However, not all synthetic API oils
with the starburst symbol will meet
this GM standard. You should look
for and use only an oil that meets
GM Standard GM4718M. GM
Goodwrench
®oil meets all the
requirements for your vehicle. For
the proper viscosity, seeEngine Oil
on page 5-13.
Usage Fluid/Lubricant
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant on
page 5-21.
Hydraulic
Brake SystemDelco Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
Windshield
Washer SolventGM Optikleen
®Washer Solvent.
Hydraulic
Clutch SystemHydraulic Clutch Fluid. Use only
GM Part No. U.S. 88958860, in
Canada 88901244, Super DOT-4
brake uid.
Power Steering
SystemGM Power Steering Fluid
(GM Part No. U.S. 89021184, in
Canada 89021186).
Chassis
Lubrication
(Rear Toe-Link
Outer Ends with
Z51 Option)Chassis Lubricant
(GM Part No. U.S. 12377985, in
Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Manual
TransmissionDEXRON
®-III Automatic
Transmission Fluid. Look for
“Approved for the H-Specication”
on the label.
6-12

Normal Maintenance Replacement Parts
Replacement parts identied below by name, part number, or specication can be obtained from your GM dealer.
Part GM Part NumberAC Delco®
Part Number
Engine Air Cleaner/Filter 10342024 A2945C
Engine Oil Filter 88984215 PF46
Passenger Compartment Air Filter Element 10345066 —
Spark Plug 12571164 41-985
Windshield Wiper Blade (Shepherd’s Hook Type)
22 inches (55.9 cm)22143943 —
6-14

E
Electrical System
Add-On Equipment......................................5-85
Engine Compartment Fuse Block...................5-89
Fuses and Circuit Breakers...........................5-85
Headlamp Wiring.........................................5-85
Instrument Panel Fuse Block.........................5-86
Power Windows and Other Power Options......5-85
Windshield Wiper Fuses...............................5-85
Engine
Air Cleaner/Filter.........................................5-18
Battery.......................................................5-37
Check and Service Engine Soon Light............3-42
Coolant......................................................5-21
Coolant Heater............................................2-24
Coolant Temperature Gage...........................3-41
Drive Belt Routing.......................................6-15
Engine Compartment Overview......................5-12
Exhaust.....................................................2-33
Oil .............................................................5-13
Oil Life System...........................................5-16
Oil Pressure Gage.......................................3-46
Overheated Protection Operating Mode...........5-26
Overheating................................................5-24
Racing or Other Competitive Driving...............2-23
Starting......................................................2-22
Entry/Exit Lighting...........................................3-19Event Data Recorders (EDR)............................. 7-8
Extended Mobility Tires....................................5-56
Extender, Safety Belt.......................................1-20
Exterior Lamps...............................................3-15
Exterior Lighting Battery Saver..........................3-19
F
Filter
Engine Air Cleaner......................................5-18
Finish Damage...............................................5-82
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-73
Floor Mats.....................................................2-47
Fluid
Automatic Transmission................................5-20
Manual Transmission....................................5-20
Power Steering...........................................5-31
Windshield Washer......................................5-33
Fog Lamp Light..............................................3-47
Fog Lamps....................................................3-17
Front Air Dam................................................2-20
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-9
Filling Your Tank........................................... 5-7
5

Fuel (cont.)
Fuels in Foreign Countries.............................. 5-6
Gage.........................................................3-48
Gasoline Octane........................................... 5-5
Gasoline Specications.................................. 5-5
Fuses
Engine Compartment Fuse Block...................5-89
Fuses and Circuit Breakers...........................5-85
Instrument Panel Fuse Block.........................5-86
Windshield Wiper.........................................5-85
G
Gage
Engine Coolant Temperature.........................3-41
Engine Oil Pressure.....................................3-46
Fuel..........................................................3-48
Speedometer..............................................3-34
Tachometer.................................................3-34
Voltmeter Gage...........................................3-37
Garage Door Opener.......................................2-42
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-5
Glove Box.....................................................2-46
GM Mobility Reimbursement Program.................. 7-5
H
Hatch/Trunk...................................................2-14
Hazard Warning Flashers................................... 3-6
Headlamp Wiring............................................5-85
Headlamps
Bulb Replacement.......................................5-44
Daytime Running Lamps...............................3-16
Flash-to-Pass............................................... 3-9
Halogen Bulbs............................................5-45
Headlamps, Front Turn Signal, and
Parking Lamps.........................................5-45
High Intensity Discharge (HID) Lighting...........5-44
High/Low Beam Changer................................ 3-9
On Reminder..............................................3-16
Sidemarker Lamps.......................................5-47
Wiper Activated...........................................3-16
Head-Up Display (HUD)...................................3-20
Heated Seats................................................... 1-4
Heater...........................................................3-25
Highbeam On Light.........................................3-47
Highway Hypnosis...........................................4-24
Hill and Mountain Roads..................................4-24
HomeLink
®Wireless Control System.................2-42
HomeLink®Wireless Control System Operation.....2-43
6

Message (cont.)
Mirrors
Automatic Dimming Rearview with Compass....2-37
Automatic Dimming Rearview with OnStar
®
and Compass..........................................2-35
Manual Rearview Mirror................................2-35
Outside Automatic Dimming Mirror.................2-40
Outside Convex Mirror.................................2-41
Outside Power Heated Mirrors.......................2-40
MyGMLink.com................................................ 7-3
N
Navigation/Radio System, see Navigation
Manual......................................................3-98
New Vehicle Break-In......................................2-20
Normal Maintenance Replacement Parts............6-14
O
Odometer......................................................3-34
Off-Road Recovery..........................................4-14
Oil
Engine.......................................................5-13
Engine Oil Pressure Gage............................3-46
Oil, Engine Oil Life System..............................5-16
Older Children, Restraints................................1-21One-to-Four Shift Light....................................3-38
Online Owner Center........................................ 7-3
OnStar
®System, see OnStar®Manual...............2-41
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-31
Outside
Automatic Dimming Mirror.............................2-40
Convex Mirror.............................................2-41
Power Heated Mirrors..................................2-40
Overheated Engine Protection
Operating Mode..........................................5-26
Owner Checks and Services.............................. 6-8
Owners, Canadian............................................... ii
P
Park (P)
Shifting Into................................................2-30
Shifting Out of............................................2-32
Parking
Brake........................................................2-30
Over Things That Burn.................................2-33
Parking Your Vehicle.......................................2-32
Passenger Compartment Air Filter.....................3-31
Passenger Position, Safety Belts.......................1-20
Passing.........................................................4-15
9