adding oil CHEVROLET CORVETTE 1993 4.G Owners Manual

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Adding only plain:water.to
yam cooling system can be
dangerous. Plain water, or some
other .liquid like alcohol, can boil
before the proper coolant mix will.
Your vehicle's coolant warning
system is set for the proper coolant
mix. With plain water or the wrong
mix, your engine could get too hot
but
you wouldn't get the overheat
warning. Your engine could catch
fire and you or others could be
burned. Use a 50/50 mix of clean
water and a proper antifreeze.
You can'bebumed if you
. -spiU"CoolaZit hot engine '
parts. Coolant contains'ethylene
glycol and it will burn .if the engine
parts are hot enough. Don't spill
coolant on a hot engine.
When the coolant in the coolant
recovery
tank is at or above COLD,
start your vehicle.
If the overheat warning continues,
there's one more thing you can try. You
can add the proper coolant mix directly
to the coolant high fill reservoir, but be
sure the cooling system is cool before you
do it.
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Just fill it enough to put' the level
Somewhere in the proper operating
parge-. Push the dipstick all the-way
back in when you're. through.
Your vehic1.e has- a LOW OIL light-on
the Driver InfomaAion Center that
canes on and stays on if your oil. is '/z to
1% quarts low (see t-he Index tilid&
Low Oil Ljght). Do not wait until this
light comes on to check your oil level.
This light is an added reminder
only-you should check your oil level
regularly.
LT1 Engine: Adding .Engine, Oil
CT5 Engine: Adding Engine Oil
What Kind of Oil To Use
'Lo& fcrr Three Things:
GM4718M
Your Corvette engine requires a
special. oil me,et&g GM Standard
GM4718M. Oils meeting this
Standard may be identified as
synthetic,
and should also. be
identified as API Service SG.
However, not all SynthetkAPI
Service SG oils will meet this GM
Standard. You should lo& for and
use only an .oil that meets GM
Stand;ird GM4718M.
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Substitute Oil (LTI Engine Only)
When adding .oil to maintain engine oil
level, if an oil meeting GM St.aidard
GM4718M is not available, you can use
oil designated either SAE 5W-30 API
Service SG at all temperatures, or SAE
1OW-30 API Service SC at temperatures
above
0°F (-18°C) : This oil should not
be used for an oil change.
Substitute. 01 (LTS Engine Only)
When adding oil to maintain engine oil
level,
if an oil meeting GM Standard
GM4718M is not available, you can use
oil designated. SAE 1OW-30 API Service
SG at all temperatures. This oil should
not be used for an oil change.
Engine 0il.Addifives
Don't add anything to your oil.>Your
Chemolet dealer is ready to
ad a ,'se if
you think something should be ,added. I
When to Change Engine Oil
See if my one of these is true !€or-you:
Most trips are less than 4 miles
(6 lm).
It's below freezing outside and most
trips are less than
10 miles (16 km) .
TEie engine is at low speed most of the
time
(as in stop-and-go traEc).
Most trips are through dusty places.
If any one of these is true for your
vehicle, you need to change
your oil
and filter every 3,000 miles
(5 000 km) or 3 months-whichever
comes first. (See
the Index under
Engine Oil Life Monitor.)
If none of them.is true, change the oil
every 7,500 miles (12 500 lun) or 12
months-whichever comes first.
Change the filter
at the first oil change
and
at every other oil change after that.
(See the Index under Engine Oil Life
Monitor.)

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c How to Add Fluid:
Refer to the Maintenance Schedule to
determine
what kind oftransmission
fluiil to use. See the Index under Fluids.
G Lubricants.
If the fluid level is low, add only enough
of the proper fluid to bring. the level up
to the COLD area.for a cold-check or
the-HQT
area for a-.hot ‘check. It
doesn’t take much fluid, generally legs
than a pint. Don’t overfill. We
recommend
you use only fluid IabeIed
DEXRON@-JIE, because fluids with that
label are made especially
for your
automatic transmission.. Damage caused
by fluid other than DEXXO-Nq-IIE is not
covtir,ed by your-new vehicle warranty.
After adding fluid, recheck the fluid
level as described under How to Check.
When the correct fluid level is obtained,
push
the dipstick back in all the way.
Manual Transmission Fluid
When to Check
A good time to have it checked is when
the
engine oil is changed. Howevw, tbe
fluid in your-manual transmission
doesn’t require-changing.
How to Check:
Becguse this operation can be a iittie
difficult,
you may choose to-have this
done at a Chevrolet dealership Service
Department.
If you do it y.Ourself, be sure to follow
all the instrvctiuns here, or you could
get a false reading.

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ABS Active Light ........................... 117
ABS Service Light ........................... 117
ABS Light ......................................... 117
Acceleration Slip Regu’laticin
(ASR) System .......................... 89,. 175
Accessory Wiring . Plug .................... 147
Action Center, Corvette ................... 343
Adding
Brake Fluid
.......... ........... ............ . 27 1
Electrical Equipment ...... 65, 146, 304
Engine Coolant ..... 216, 262,311,3.27
Engine Oil ............................... 250, 31 1
Hydraulic Clatch Fluid’ ......... 260, 3 17
Power Steeting Fluid ............ 269, 318
Rear Axle Fluid ..................... 262, 318
Sound Equipment ........................... 146
Transmission Fluids. ..... 25.9,260, 317
Windshield Washer
Fluid ............................... 84, 269, 3 17
Air .Bag (see Supplemental Inflatable
AirCieaner Filter ..................... 254, 312
.Air Conditioner ....................... 136., ‘142
Alcohol, .Driving Under thi Influence
of ..................................................... 169
Restraint)
Alcohol in Gasoline ......................... 242
Aluminum Wheels
Cleaning
................................ 296. 301
Antenna, Power ............................... 161
Antifreeze ......... 216, 262, 263, 311., 317
Anti-Lock Br.& e
Removing ....................................... 228
System (ABS) ....................... 117? 1-73
Anti-Lock Brake System Light ........ 117
Ashtray and Lighters .......................... 96
ASR Off Light .............................. .... 116
ASR System ................................. 89, 175
Cassette Playek ........................... 149
Music System) ............................ 152
Music System) ............................ 155
Appearance Care .............................. 289
ASR Active Light ............................. 115
Audio Systems ................................. 146
AM/FM Stereo with
.AM/F M. Stereo-with
Cassette Player
(Delco-Base@
AM/FM Stereo with CassetteKD
Player (Delco-Bose*
Care of Audio Systems ................. 160
-Radio Reception. For the Best ...... 159
Setting.the Clock ............................ I48
Automatic Electroriic Climate
Aptomatic
Transmission
Control ........................................... 140
Adding Fluid ................................. 259
Axle, Rea Liniited-Slip ....................... 76
Checking Fluid ................................. 2.56
Shifting., ....................................... 67, 78
&ry ..................................... 205, 272
Jump Starting ..........................?........ 205
Warnings .......................... 205, 206, 272
Battery Warning . Gage ..................... 105
Battery Warning Light ....................... 118
Blizzard ............ ..i.. ........................... 200
Block Heater, Engine ......................... 66
“Blowout, ” Tire .................................. 224
Brake AdjustmenL
..................................... 178
Fluid ...................................... 270, 317
Master Cylinder ............................ 270
Parking ............................................. 77
Pedal Travel .................................... 178
Warning Light .................................. 106
Wear Indicators .............................. 177
351 I..
.

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'Emergencies. Braking ....................... 178
Emergencies. Steering in ................. 180
Emergency Starting .......................... 205
Emergencies on the Road ................. 203
Emergency Towing .......................... 208
Engine Block Heater ......................... 66
Engine
Engine Coolant Temperature
Gage ............................................... 106
Engine Cooling System .................... 262
Engine Exhaust ..................... 79, 80, 200
Coolant .......... 216, 262, 263, 311, 317
Engine Identification ......................... 304
Engine Oil ........................................ 249
Capacity .......................................... 3 1 f
Energy Conserving ......................... 252
Low Oil Light ................................. I X8
Additives ....................................... 253
Checking 81 Adding .............. 249. 250
Disposing of Used Oil .................... 254
Pressure Gage ............................... 103
Substitute ........................................ 253
Temperature Gage ......................... 104
When to Change ............................. 253
Engine Oil Life Monitor .................. 109
Engine Overheating ......................... 213
160
Engine Power Curves ....................... 319
Engine Power Key ............................. 56
Engine Power Switch ........................ 74
Engine Specifications ....................... 313
Engine, starting
Automatic Transmission ................. 63
Manual Transmission ..................... 65
Ethanol in Gasoline .......................... 242
Exhaust
Dangerous Gas in ....... 59, 79,80, 200
Parking with the.Engine
Expectant Mothers, Use of
Expressway Driving ......................... 191
Extender, Safety Belt .......................... 37
Exterior Appearance
Running ............................ 67, 78, 80
.Safety Belts ...................................... 31
(see Appearance Care)
Rbric cleaning
(see Appearance Care)
Fabric Protection ............................. 291
Fan Warnings ........... 206, 207, 215, 246
Fiberglass Springs ............................ 303
Filliig the Fuel Tank ....................... 244
Filter
Air Cleaner ............................. 254, 312
Oil ........................................... 253, 312
Finish. Damage ................................... 302
Flashers, Hazard
Warning ......................................... 204
Flat Tire ............................................ 224
Storing a .Flat-& cept ZR-l .......... 233
StoMg a .Flat-Z R-1 ..................... 234
Flooded Engine ............................ 62, . 64
System ............................................ 145
Capacities ....................................... 311
Hydraulic Clutch ............................. 260
Power Steering .............................. -269
Rear Axle ................................ 261, 318
Windshield Washer .......... 84,269, 318
plow-Through Ventilation
Pluid
Brake ..................................... 270, 317
Transmission ................. 256, 311, 317
Fluids & Lubricants ........................ 317
Fog, Driving in ................................ 189
Fog Light Bulb Replacement ... 275, 314
Freeway Driving ............................... 191
Fog Lights ............................................ 92

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= 362
Ingide Rearview Mirror ...................... 92
Instrument Panel ................................ 9.9,
Clusters .......................................... 100
Warning Lights ............................... 102
Jck, Tire .......................................... 226
Jump Startmg .................................... 205
K y, ’I Engine Power ........................... 56
‘Intensity Control .............................. 91
Key Release Button ............................ 60
Keys ..................................................... 42
Lane Change Indicator ............. i ...... 82
Lap-Shoulder Safety Belt .................. 23
Front ................................................. 23
Use by Children .......................... 32, 36
Latches, Seatback ............................... 17
Lighter ................................................. 96
Lights
Daytime Running
Lights ................ 90
Headlights .......................... 89, 90, 185
Keyless Entry System .................. 44, 120
Fog ..................................................... 92
Operation .......................................... 90
Reading/Map ................................... 92
security .......................................... 108
Taillights .......................................... 89
.Removing & Replacing Bulbs ....... 273
Replacement Bulbs ........................ 314
Turn Signal ....................................... 82
Underhood ..................................... 249
Warning Lights ............................... 102
Limited-Slip Rear Axle ....................... 76
Loading Your Vehicle ....................... 280
Lock, Torque .................................... 198
Locks ...............I.. .................................. 43
Long Distance Driving .................... 193
Low Battery ..................................... 205
Low Coolant Warning Light ........... 112
Low Fuel Warning .........;.................. 103
Low Oil Light ................................... 118
Low Oil Pressure Warning ............... 104
Low Tire Pressure Light ................... 113
Low Tire Pressure
Warning System .............................. 113
Lowering Your Convertible Top ..... 125
Lubricants & Fluids ......................... -3 17
Luggage Carrier .................................. 94
Mbtenance Record ...................... 340
Maintenance Schedule ..................... 321.
Malfunction Indicator Lamp ............ 118
Manual Front Seat ............................... 14
Manual Lap4 houlder
Safety Belt ....................................... 23
Manual Reclining Seatback ................. 16
Manual Transmission
Adding Fluid
.................................. 260
Checking Fluid ............................... 259
shifting ............................................ 70
Methanol in Gasoline ....................... 241:
Mileage Indicator
Mirrors (see
Odometer G Speedometer)
Convex Outside ............................... 93
Power Remote
Control .................... 93
Mountain Driving ............................ 195
Inside Manual DayLNight ................ 92
Visor Vanity .................................... 94
New Vehicle “Break-In” Period ........ 59
Night Drivlng .................................... 184