cooling CHEVROLET CORVETTE C7 2018 Owner's Manual

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374030) - 2018 - crc - 3/29/17
300 Service and Maintenance
a year and the oil life system must
be reset. Your trained dealer
technician can perform this work.
If the engine oil life system is reset
accidentally, service the vehicle
within 5 000 km/3,000 mi since the
last service. Reset the oil life
system when the oil is changed.
SeeEngine Oil Life System 0227.
Dry Sump Engine Break-In Oil
Change
If equipped with a dry sump engine,
the initial oil and filter change must
be performed at 800 km/500 mi.
Follow the engine oil life system for
every oil change thereafter.
Required Services Every
12 000 km/7,500 mi
. Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system.
See Engine Oil 0222 and
Engine Oil Life System 0227.
. Check engine coolant level.
See Cooling System (Engine)
0 232 orCooling System (Aero
Panel) 0235. .
Check windshield washer fluid
level. See Washer Fluid 0237.
. Visually inspect windshield wiper
blades for wear, cracking,
or contamination. See Exterior
Care 0289. Replace worn or
damaged wiper blades. See
Wiper Blade Replacement
0 243.
. Check tire inflation pressures.
See Tire Pressure 0263.
. Inspect tire wear. See Tire
Inspection 0267.
. Visually check for fluid leaks.
. Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter
0 229.
. Inspect brake system. See
Exterior Care 0289.
. Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of
wear. See Exterior Care 0289.
. Check restraint system
components. See Safety System
Check 069. .
Visually inspect fuel system for
damage or leaks.
. Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts.
. Lubricate body components. See
Exterior Care 0289.
. Check starter switch. See Starter
Switch Check 0242.
. Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check
0243.
. Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check
0 243.
. Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
. Visually inspect gas strut for
signs of wear, cracks, or other
damage. Check the hold open
ability of the strut. If the hold
open is low, service the gas
strut. See Gas Strut(s) 0244.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374030) - 2018 - crc - 3/29/17
Service and Maintenance 301
Maintenance Schedule
Additional Required
Services - Normal12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Dry Sump Engines Only (Stingray with Z51, Grand Sport, and Z06) - Required: Initial break-in oil change. Change engine oil and filter after the first 800 km/500 mi. Follow the
engine oil life system for every oil change thereafter.
Perform Required Services. Check engine oil
level and oil life percentage. Change engine oil
and filter, if needed.
@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@@
LT1 Engine: Replace spark plugs. Inspect spark
plug wires.@
LT4 Supercharged Engine: Replace spark plugs.
Inspect spark plug wires.@ @
Drain and fill engine cooling system. (4)@
Change rear axle fluid.@@@
Visually inspect accessory drive belts. (5)@
Replace brake fluid. (6)
Replace clutch fluid. Manual transmission
only. (7)

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374030) - 2018 - crc - 3/29/17
302 Service and Maintenance
Footnotes—Maintenance
Schedule Additional Required
Services - Normal
(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.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374030) - 2018 - crc - 3/29/17
Service and Maintenance 303
Maintenance Schedule
Additional Required
Services - Severe12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Dry Sump Engines Only (Stingray with Z51, Grand Sport, and Z06) - Required: Initial break-in oil change. Change engine oil and filter after the first 800 km/500 mi. Follow the
engine oil life system for every oil change thereafter.
Perform Required Services. Check engine oil
level and oil life percentage. Change engine oil
and filter, if needed.
@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@@
Change automatic transmission fluid and filter.@ @@
Change manual transmission fluid.@@@
LT1 Engine: Replace spark plugs. Inspect spark
plug wires.@
LT4 Supercharged Engine: Replace spark plugs.
Inspect spark plug wires.@ @
Drain and fill engine cooling system. (4)@
Change rear axle fluid.@@@
Visually inspect accessory drive belts. (5)@
Replace brake fluid. (6)
Replace clutch fluid. Manual transmission
only. (7)

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