2018 CHEVROLET CORVETTE C7 cooling

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374030) - 2018 - crc - 3/29/17
304 Service and Maintenance
Footnotes—Maintenance
Schedule Additional Required
Services - Severe
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter
replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels,
or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, window
fogging, or odors. Your GM dealer
can help determine when to replace
the filter.
(2) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(3) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(4) Or every five years, whichever
comes first.
See Cooling System (Engine) 0232
or Cooling System (Aero Panel)
0 235. (5)
Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(6) Replace brake fluid every five
years. See Brake Fluid 0239.
(7) Replace clutch fluid every three
years. See Hydraulic Clutch 0229.Special Application
Services
.
Severe Commercial Use
Vehicles Only: Lubricate chassis
components every oil change.
. Have underbody flushing service
performed. See "Underbody
Maintenance" in Exterior Care
0 289.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374030) - 2018 - crc - 3/29/17
308 Service and Maintenance
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer.Usage Fluid/Lubricant
Chassis Lubrication Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Electronic Limited-Slip Differential (eLSD) Clutch System Lubricant
(Z51, Grand Sport, and Z06 Only) DEXRON-VI Automatic Transmission Fluid.
Engine Coolant 40/60 coolant/water mixture of clean, drinkable water and use only DEX-COOL Coolant.
SeeCooling System (Engine) 0232 orCooling System (Aero Panel) 0235.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. Mobil 1 dexos1 is recommended. See Engine Oil0222.
Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor, and Release Pawl Lubriplate Lubricant Aerosol (GM Part No. 89021668, in Canada 89021674)
or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in Canada 19299819).
Hydraulic Clutch System Hydraulic Clutch Fluid. Use only GM Part No. 19299570, in Canada 19299571, Super DOT 4 brake fluid.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374030) - 2018 - crc - 3/29/17
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

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374030) - 2018 - crc - 4/5/17
344 Index
ConnectionsOnStar . . . . . . . . . . . . . . . . . . . . . . . 333
Control Traction and ElectronicStability . . . . . . . . . . . . . . . . . . . . . 192
Control of a Vehicle . . . . . . . . . . . . . 155
Convenience Net . . . . . . . . . . . . . . . . 93
Convertible Top . . . . . . . . . . . . . . . . . . 50
Convex Mirrors . . . . . . . . . . . . . . . . . . 43
Coolant Engine Temperature Gauge . . 106
Engine Temperature
Warning Light . . . . . . . . . . . . . . . .114
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . 147
Cooling System . . . . . . . . . . . . 232, 235
Courtesy Lamps . . . . . . . . . . . . . . . . 139
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 322
Cover Cargo . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Cruise Control . . . . . . . . . . . . . . . . . . 201
Light . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Cupholders . . . . . . . . . . . . . . . . . . . . . . 91
Customer Assistance . . . . . . . . . . . 319 Offices . . . . . . . . . . . . . . . . . . . . . . . . 318
Text Telephone (TTY)
Users . . . . . . . . . . . . . . . . . . . . . . . 319 Customer Information
Service Publications
Ordering Information . . . . . . . . 325
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 316
D
Damage Repair, Collision . . . . . . . 323
Danger, Warning, and Caution . . . . 2
Data CollectionInfotainment System . . . . . . . . . . 329
OnStar . . . . . . . . . . . . . . . . . . . . . . . 329
Data Recorder Performance . . . . . . . . . . . . . . . . . . 141
Data Recorders, Event . . . . . . . . . 328
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 136
Defensive Driving . . . . . . . . . . . . . . . 154
Delayed Locking . . . . . . . . . . . . . . . . . 36
Diagnostics OnStar . . . . . . . . . . . . . . . . . . . . . . . 335
Differential, Limited-Slip . . . . . . . . 200
Distracted Driving . . . . . . . . . . . . . . . 154
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . .116
Delayed Locking . . . . . . . . . . . . . . . . 36
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Power Locks . . . . . . . . . . . . . . . . . . . . 36
Drive Belt Routing, Engine . . . . . . 315 Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . . 116
Driver Mode Control . . . . . . . . . . . . 194
Driving Competitive . . . . . . . . . . . . . . . . . . . 197
Defensive . . . . . . . . . . . . . . . . . . . . . 154
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 155
For Better Fuel Economy . . . . . . . 24
Hill and Mountain Roads . . . . . . 168
If the Vehicle is Stuck . . . . . . . . . 170
Loss of Control . . . . . . . . . . . . . . . 156
Off-Road Recovery . . . . . . . . . . . 156
Track Events andCompetitive . . . . . . . . . . . . . . . . . 157
Vehicle Load Limits . . . . . . . . . . . 170
Wet Roads . . . . . . . . . . . . . . . . . . . 167
Winter . . . . . . . . . . . . . . . . . . . . . . . . 168
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 147
E
Electric Parking Brake . . . . . . . . . . 190
Electric Parking Brake Light . . . . 112
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . . 210
Electrical System
Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 247
Fuses . . . . . . . . . . . . . . . . . . . . . . . . 247

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374030) - 2018 - crc - 4/5/17
Index 345
Electrical System (cont'd)Overload . . . . . . . . . . . . . . . . . . . . . 247
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 251
Electronic Stability Control (ESC) Off Light . . . . . . . . . . . . . . . . 113
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . 332
Engine
Air Cleaner/Filter . . . . . . . . . . . . . 229
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 109
Compartment Overview . . . . . . . 217
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 106
Coolant Temperature Warning Light . . . . . . . . . . . . . . . .114
Cooling System . . . . . . . . . . 232, 235
Drive Belt Routing . . . . . . . . . . . . 315
Exhaust . . . . . . . . . . . . . . . . . . . . . . 181
Oil Life System . . . . . . . . . . . . . . . 227
Oil Pressure Light . . . . . . . . . . . . .115
Overheating . . . . . . . . . . . . . . . . . . 236
Power Messages . . . . . . . . . . . . . 123
Running While Parked . . . . . . . . 181
Starting . . . . . . . . . . . . . . . . . . . . . . . 177
Entry Lighting . . . . . . . . . . . . . . . . . . . 140
Event Data Recorders . . . . . . . . . . 328 Exit Lighting . . . . . . . . . . . . . . . . . . . . 140
Extended Parking . . . . . . . . . . . . . . . 180
Extender, Seat Belt . . . . . . . . . . . . . . 68
Exterior Lamp Controls . . . . . . . . . 135
Exterior Lamps Off Reminder . . . 136
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 140
F
Features
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 12
Filter,
Engine Air Cleaner . . . . . . . . . . . 229
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 136
Flashers, Hazard Warning . . . . . . 138
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 275
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 297
Fluid Automatic Transmission . . . . . . 228
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 239
Washer . . . . . . . . . . . . . . . . . . . . . . . 237
Folding Mirrors . . . . . . . . . . . . . . . . . . 43
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 326
Front Air Dam . . . . . . . . . . . . . . . . . . 174
Front Seats Heated and Ventilated . . . . . . . . . . 62
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Additives . . . . . . . . . . . . . . . . . . . . . 207 Fuel (cont'd)
Economy Driving . . . . . . . . . . . . . . . 24
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 209
Filling the Tank . . . . . . . . . . . . . . . 207
Foreign Countries . . . . . . . . . . . . 207
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 105
Low Fuel Warning Light . . . . . . . .115
Management, Active . . . . . . . . . . 180
Requirements, California . . . . . 207
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . 247 Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 247
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 251
G
Garage Door Opener . . . . . . . . . . . 131Programming . . . . . . . . . . . . . . . . . 131
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 244
Gauges Boost . . . . . . . . . . . . . . . . . . . . . . . . . 106
Engine CoolantTemperature . . . . . . . . . . . . . . . . 106
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Odometer . . . . . . . . . . . . . . . . . . . . . 104
Speedometer . . . . . . . . . . . . . . . . . 104
Tachometer . . . . . . . . . . . . . . . . . . . 104
Trip Odometer . . . . . . . . . . . . . . . . 104