1999 CHEVROLET CORVETTE fuel cap

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6-8
CAUTION:
If you get gasoline on yourself and then
something ignites it, you could be badly burned.
Gasoline can spray out on you if you open the
fuel filler cap too quickly. This spray can happen
if your tank is nearly full, and is more likely in
hot weather. Open the fuel filler cap slowly and
wait for any ªhissº noise to stop. Then unscrew
the cap all the way.
Be careful not to spill gasoline. Clean gasoline from
painted surfaces as soon as possible. See ªCleaning the
Outside of Your Vehicleº in the Index.
When you put the cap back on, turn it to the right
(clockwise) until you hear a clicking sound. Make sure
you fully install the cap.
NOTICE:
If you need a new cap, be sure to get the right
type. Your dealer can get one for you. If you get
the wrong type, it may not fit or have proper
venting, and your fuel tank and emissions system
might be damaged.

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6-12
Before closing the hood, be sure all the filler caps are
on properly. Then, just pull the hood down and close
it firmly.
Engine Oil
If the LOW OIL LEVEL message on the Driver
Information Center comes on, it means you need to
check your engine oil level right away. For more
information, see ªDriver Information Centerº in the
Index. You should check your engine oil level regularly;
this is an added reminder.
It's a good idea to check your 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 is
next to the coolant surge
tank. The dipstick handle is
a round, yellow loop.Turn off the engine and give the oil a few minutes to
drain back into the oil pan. If you don't, the oil dipstick
might not show the actual level.
Checking Engine Oil
Pull out the dipstick and clean it with a paper towel or a
cloth, then push it back in all the way. Remove it again,
keeping the tip down.
When to Add Engine Oil
If the oil is at or below the ADD mark, you'll need to
add at least one quart of oil. But you must use the right
kind. This part explains what kind of oil to use. For
crankcase capacity, see ªCapacities and Specificationsº
in the Index.

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6-75
Crankcase
With Filter Change 6.5 quarts (6.1 L). . . . . . . . . . .
Fuel Tank19.3 gallons (73.1 L) . . . . . . . . . . . . . . . . .
Manual Transmission
(Overhaul) 4.1 quarts (3.8 L). . . . . . . . . . . . . . . . .
Rear Axle
Lubricant 1.69 quarts (1.6 L). . . . . . . . . . . . . . . . . .
Limited Slip Additive 4 ounces (118 ml). . . . . . . . .
Tire PressuresSee Tire
-Loading Information . . . . . .
label on rear edge of driver's door.
Wheel Nut Torque100 lb
-ft (140 N´m) . . . . . . . . . .
NOTE: All capacities are approximate. When adding, be
sure to fill to the appropriate level, as recommended in
this manual. Recheck fluid level after filling.
Engine Specifications
Type5.7L V8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VIN Engine CodeG . . . . . . . . . . . . . . . . . . . . . . . . . .
Displacement350 cubic inches (5662 cc) . . . . . . . . .
Fuel DeliverySequential . . . . . . . . . . . . . . . . . . . . .
Multi
-Port Fuel Injection (SFI)
Valve ArrangementOverhead Valve . . . . . . . . . . . . .
Piston Displacement5.7L . . . . . . . . . . . . . . . . . . . . . .
Bore3.90 inches (9.9 cm) . . . . . . . . . . . . . . . . . . . . . .
Stroke3.62 inches (9.2 cm) . . . . . . . . . . . . . . . . . . . .
Compression Ratio10.1:1 . . . . . . . . . . . . . . . . . . . . .
Horsepower345 @ 5600 . . . . . . . . . . . . . . . . . . . . . . .
Torque350 @ 4400 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Firing Order1
-8-7-2-6-5-4-3 . . . . . . . . . . . . . . . . . .
Thermostat Starts to Open187
F (86
C) . . . . . . . .

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Scheduled Maintenance
7-9
15,000 Miles (24 000 km)
Inspect air cleaner filter if you are driving in dusty conditions. Replace filter
if necessary.
An Emission Control Service. (See footnote
.)
30,000 Miles (48 000 km)
Replace air cleaner filter.
An Emission Control Service.
Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel cap gasket
for any damage. Replace parts as needed.
An Emission Control Service. (See footnote
.)
45,000 Miles (72 000 km)
Inspect air cleaner filter if you are driving in dusty conditions. Replace filter
if necessary.
An Emission Control Service. (See footnote
.)
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE

Scheduled Maintenance
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7-10
50,000 Miles (80 000 km)
Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
± In heavy city traffic where the outside temperature regularly reaches 90F
(32C) or higher.
± In hilly or mountainous terrain.
± Uses such as high performance operation.
If you do not use your vehicle under any of these conditions, change the fluid
and filter at 100,000 miles (166 000 km). Manual transmission fluid doesn't
require change.
60,000 Miles (96 000 km)
Replace air cleaner filter.
An Emission Control Service.
Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel cap gasket
for any damage. Replace parts as needed.
An Emission Control Service. (See footnote
.)
Inspect engine accessory drive belt.
An Emission Control Service.
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE

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Scheduled Maintenance
7-11
75,000 Miles (120 000 km)
Inspect air cleaner filter if you are driving in dusty conditions. Replace filter
if necessary.
An Emission Control Service. (See footnote
.)
90,000 Miles (144 000 km)
Replace air cleaner filter.
An Emission Control Service.
Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel cap gasket
for any damage. Replace parts as needed.
An Emission Control Service. (See footnote
.)
100,000 Miles (160 000 km)
Replace spark plugs.
An Emission Control Service.
Inspect spark plug wires.
An Emission Control Service.
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE

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9-3
Security Shade 6-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Soft-Touch Paint Surfaces 6-58 . . . . . . . . . . . . . . . . . . . . . .
Tires 6-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vinyl 6-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weatherstrips 6-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheels 6-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield and Wiper Blades 6-59 . . . . . . . . . . . . . . . . . . .
Cleaning, Wiper Blades 6-59 . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning Your Convertible Top 6-61 . . . . . . . . . . . . . . . . . . . .
Climate Control, Automatic Electronic Dual 3-4 . . . . . . . . . . .
Clock, Setting the 3-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clutch, Hydraulic 6-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comfort Controls 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc
Adapter Kits 3
-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changer, Trunk-Mounted 3-23 . . . . . . . . . . . . . . . . . . . . . .
Player 3-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Care 3-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Competitive Driving 4-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Console, Center Storage 2-56 . . . . . . . . . . . . . . . . . . . . . . . . . .
Control of a Vehicle 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convenience 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net, Cleaning 6-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convertible Top 2-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning 6-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lowering 2-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Raising 2-72 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convex Outside Mirror 2-56 . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 5-11, 5-13, 6-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Surge Tank 5-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Surge Tank Pressure Cap 6-22 . . . . . . . . . . . . . . . . . . . . . . .
Coolant Heater, Engine 2-25 . . . . . . . . . . . . . . . . . . . . . . . . . . Cooling System 5
-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Corvette Assembly Plant vii. . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy Lamps 2
-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy Transportation 8-8 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Control 2-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Customer Assistance
For Text Telephone Users 8
-4 . . . . . . . . . . . . . . . . . . . . . . .
Information 8-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Offices 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Customer Satisfaction Procedure 8-2 . . . . . . . . . . . . . . . . . . . .
Daytime Running Lamps 2-51 . . . . . . . . . . . . . . . . . . . . . . . .
Dead Battery 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defects, Reporting Safety 8-10, 8-11 . . . . . . . . . . . . . . . . . . .
Defensive Driving 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defogger, Rear Window 3-11 . . . . . . . . . . . . . . . . . . . . . . . . .
Defogging 3-3, 3-7, 3-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defrosting 3-3, 3-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIC Warnings and Messages 2-102 . . . . . . . . . . . . . . . . . . . . .
Dimensions, Vehicle 6-76 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door Locks 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Downshifting 2-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver Information Center (DIC) 2-92 . . . . . . . . . . . . . . . . . . .
Driver Information Center (DIC) Controls and Displays 2-93
Fuel 2-93 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gages 2-94 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Options 2-97 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trip 2-95 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver Information Center (DIC) Messages
ABS Active 2
-102 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Act Hndling Warming Up 2-102, 4-10 . . . . . . . . . . . . . . . .
Active Handling 2-108 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake Before Shift 2-112 . . . . . . . . . . . . . . . . . . . . . . . . . . .

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9-5
Electrical Equipment, Adding 2-24, 3-28, 6-63 . . . . . . . . . .
Electrical System 6-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electronic Dual Climate Control System 3-4 . . . . . . . . . . . . . .
EMT 6-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine 6-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessory Belt 6-77 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adding Coolant 6-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Cleaner/Filter 6-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking Coolant 6-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 5-13, 5-16, 6-23 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Heater 2-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Level Check 7-13 . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Temperature Gage 2-82 . . . . . . . . . . . . . . . . . . . . .
Exhaust 2-16, 2-38, 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block 6-71 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identification 6-65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Level Check 7-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Pressure Gage 2-85 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overheated Engine Protection Operating Mode 5-8 . . . . . .
Overheating 5-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Curves 6-77 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Running While Parked 2-39 . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 6-75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting Your 2-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Air Cleaner/Filter 6-16 . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Oil 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adding 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additives 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Kind to Use 6-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Level Check 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Life 2-97 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Life Monitor, How to Reset 6-15 . . . . . . . . . . . . . . . . . . . . .
Scheduled Maintenance 7-6 . . . . . . . . . . . . . . . . . . . . . . . . . Used 6
-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
When to Change 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Oil Life Monitor 6-15, 7-5 . . . . . . . . . . . . . . . . . . . . .
Engine Oil Scheduled Maintenance 7-6 . . . . . . . . . . . . . . . . . .
English/Metric Button 2-77 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ethanol 6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust, Engine 2-16, 2-38, 4-30 . . . . . . . . . . . . . . . . . . . . . .
Exit and Entry Lighting 2-53 . . . . . . . . . . . . . . . . . . . . . . . . . .
Express-Down Windows 2-41 . . . . . . . . . . . . . . . . . . . . . . . . .
Extended Mobility Tires 6-42 . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lamps 2-44, 2-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fabric Protection 6-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fan Control Buttons 3-2, 3-7 . . . . . . . . . . . . . . . . . . . . . . . . . .
Feature, Theft-Deterrent 2-17 . . . . . . . . . . . . . . . . . . . . . . . . .
Fiberglass Springs 6-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fifth Gear, Manual Transmission 2-31 . . . . . . . . . . . . . . . . . . .
Filling
A Portable Fuel Container 6
-9 . . . . . . . . . . . . . . . . . . . . . . .
Your Tank 6-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filter, Air Cleaner 6-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Finish
Care 6
-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Damage 6-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
First Gear
Automatic Transmission 2
-29 . . . . . . . . . . . . . . . . . . . . . . .
Manual Transmission 2-30 . . . . . . . . . . . . . . . . . . . . . . . . . .
Fixed Mast Antenna 3-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flashers, Hazard Warning 5-2 . . . . . . . . . . . . . . . . . . . . . . . . .
Flat Tire, What to Do 5-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Floor Mats 2-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid Capacities 6-74 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .