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260 Vehicle Care
(3) Aspect Ratio:A two-digit
number that indicates the tire
height-to-width measurements.
For example, if the tire size
aspect ratio is 60, as shown in
item 3 of the illustration, it would
mean that the tire's sidewall is
60 percent as high as it is wide.
(4) Construction Code
:A letter
code is used to indicate the type
of ply construction in the tire.
The letter R means radial ply
construction; the letter D means
diagonal or bias ply
construction; and the letter B
means belted-bias ply
construction.
(5) Rim Diameter
:Diameter of
the wheel in inches.
(6) Service Description
:These
characters represent the load
index and speed rating of the
tire. The load index represents
the load carrying capacity a tire
is certified to carry. The speed
rating is the maximum speed a
tire is certified to carry a load.
Tire Terminology and
Definitions
Air Pressure:The amount of
air inside the tire pressing
outward on each square inch of
the tire. Air pressure is
expressed in kPa (kilopascal)
or psi (pounds per square inch).
Accessory Weight
:The
combined weight of optional
accessories. Some examples of
optional accessories are
automatic transmission, power
windows, power seats, and air
conditioning.
Aspect Ratio
:The relationship
of a tire's height to its width.
Belt
:A rubber coated layer of
cords between the plies and the
tread. Cords may be made from
steel or other reinforcing
materials. Bead
:The tire bead contains
steel wires wrapped by steel
cords that hold the tire onto
the rim.
Bias Ply Tire
:A pneumatic tire
in which the plies are laid at
alternate angles less than
90 degrees to the centerline of
the tread.
Cold Tire Pressure
:The
amount of air pressure in a tire,
measured in kPa (kilopascal)
or psi (pounds per square inch)
before a tire has built up heat
from driving. See Tire Pressure
0 263.
Curb Weight
:The weight of a
motor vehicle with standard and
optional equipment including the
maximum capacity of fuel, oil,
and coolant, but without
passengers and cargo.
DOT Markings
:A code molded
into the sidewall of a tire
signifying that the tire is in
compliance with the U.S.
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Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Service and Maintenance 309
UsageFluid/Lubricant
Key Lock Cylinders, Hood and Door Hinges Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Rear Axle DEXRON LS Gear Oil (GM Part No. 88862624, in Canada 88862625). See
Rear Axle 0242 for information on checking the fluid.
Transmission (Automatic) DEXRON-HP Automatic Transmission Fluid (GM Part No. 19331925, in Canada 19300537).
Transmission (Manual) Manual Transmission Fluid (GM Part No. 88861800, in Canada 88861801).
Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or Dielectric Silicone Grease (GM Part No. 12345579, in Canada 10953481).
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements.
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.
Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter 23107355 A3191C
Engine Oil Filter 12640445 PF64
Passenger Compartment Air Filter Element 22862632 CF139
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Technical Data 313
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions.
SeeRecommended Fluids and Lubricants 0308.
Application Capacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant charge type and amount, see the refrigerant label underthe hood. See your dealer for more information.
Engine Cooling System 11.2 L 11.8 qt
Intercooler System (LT4) 4.3 L 4.5 qt
Engine Oil with Filter 6.2L LT1 Engine without Z51 or Grand Sport 6.6 L 7.0 qt
6.2L LT1 Engine with Z51 or Grand Sport 9.3 L 9.8 qt
6.2L LT4 Supercharged Engine 9.3 L 9.8 qt
Fuel Tank 70.4 L 18.6 gal
Wheel Nut Torque 140 Y100 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling
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Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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342 Index
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 213
Accessory Power . . . . . . . . . . . . . . . 178
Active Fuel Management . . . . . . . 180
Active Rev Match . . . . . . . . . . . . . . . 188
Add-On Electrical Equipment . . . 210
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 336
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . 305
Adjustments Lumbar, Front Seats . . . . . . . . . . . . 57
Air Cleaner/Filter, Engine . . . . . . . 229
Air Conditioning . . . . . . . . . . . . . . . . 147
Air Dam, Front . . . . . . . . . . . . . . . . . . 174
Air Filter, Passenger
Compartment . . . . . . . . . . . . . . . . . 151
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 151
Airbag System
Check . . . . . . . . . . . . . . . . . . . . . . . . . . 80
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 73
Passenger Sensing System . . . . 75
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 73
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . . 73 Airbag System (cont'd)
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 72
Where Are the Airbags? . . . . . . . . 71
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 79
Passenger Status Indicator . . . 108
Readiness Light . . . . . . . . . . . . . . 108
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 79
System Check . . . . . . . . . . . . . . . . . . 70
Alarm Vehicle Security . . . . . . . . . . . . . . . . 40
Antilock Brake System (ABS) . . . 189 Warning Light . . . . . . . . . . . . . . . . . .112
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 289
Interior . . . . . . . . . . . . . . . . . . . . . . . . 294
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . . 320
Assistance Systems for Parking and Backing . . . . . . . . . . 204
Automatic Dimming Mirrors . . . . . . . . . . . . . . . . 43
Door Locks . . . . . . . . . . . . . . . . . . . . . 37
Headlamp System . . . . . . . . . . . . 137
Transmission . . . . . . . . . . . . . . . . . 182