air filter CHEVROLET CORVETTE 1993 4.G Owners Manual

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The outside ternperatufe sensor reading
is filtered (to minimize false readings)
as follows:
If- the outside temperature decreases,
the -&splayed temperature
will update
immediately.
I€- the outside temperature increases
(such as when stopped in traffic), the
displayed temperature will not update
until one
of the following eonditiom
is met:
Vehicle speed is above 25 mph
Vehicle speed 'is above 45 mph
Updates will occur continuously as long
as the vehicle speed remains above
25 mph (40 Wh).
zf the ignition is turned off for more
than three hours, the current outside air
tempepature when the vehicle is restarted
will be stored in the system immediately.
The third sensor
is the in-vehicle
tempefature sensor, located
in-the
center air outlet on the passenger side.
If you block or cover either interior
sensor, the sensor
will give your system
a false reading.
(40 ,nn/h) for at least 3 minutes, or
(72 krn/h) for 1% minutes.
AUTO (Automatic): This system
autmnatically
adjusts to the
temperature range you select.
rt stays
at. this temperature
with the least
possible noise level
and it will select
the best mode (Heater,
Air
Conditioning or Bi-Level) and fm
speed to keep you comfortable. The
fan blower
will vary its speed
automatically unless you ovenide
it
with theVqrAbutton,
1 .I Set the temperature you want with
2. Press AUTO. An indicator light will
3. Press A (Vent) to allow outside. air
the
TEMP SET switch.
glow above
this.hutton.
to
flaw into the vehicle.
d

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Sevvice & Appearance Care
Engine Block Heater
(LTl ENGINE, CANADA ONLY)
An engine block heater can be a big
help if you have to park outside in very
cold weather, 0°F (-18°C) or colder. If
your vehicle has an engine block heater,
see the index under Engine Block
Heater.
154
What to Do with Used, Oil Air Cleaner
A
Used engine- oil contains.
things that have caused skin ..
,cancer in laboratory animals. Don't
let used oil stay.on your .skin for
very long. Clean you skin and nails
with soap and water, or a good
hand cleaner. Wash or properly
throw away ciuthing or rags
containing used
engine oil.
Refer to the Maintenance Schedule to
determine when
to replace the air filter.
Used
oil can be a real threat to the
environment. If you change your own
oil, be sure to drain all free-flowing oil
from the filter before disposal. Don't
ever dispose of oil by pouring it on the
ground, into sewers, or into streams or
bodies
of water. Instead, recycle it by
taking it to a place that collects used oil.
If you have a problem properly
disposing
of yo-ur used oil, ask your:
dealer, a service station or a local
recycling center €or
help.
L
;ee the Index under Scheduled
taintmame. Services.
I
CAUTION I

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Capacities and Specifications
Fuel Tank.. ........................................................................\
......................... 20.0. Gal. 75.7 L
Cooling System (LT1) ........................................................................\
... 17.8 quarts 16.9 L
Cooling System (LT5) ........................................................................\
... 14.7 quarts 13.9 L
Refrigerant, Air Conditioning ..................................................=........*....See refrigerant charge label under hood.
Not all air conditioning refrigerants are the same. If the air
conditioning
system in your vehicle needs refrzgerant, be sure the
proper refrigerant is used. If you%e not SU.Y~, ask your Chsvrolet
dealer.
Crankcase; (LT1)
Without Filter Change* ........................................................................\
.4.0 quarts
With Filter Change" ........................................................................\
....... 4.5 quarts
3.8 L
4.3 L
Crankcase (LT5)
Without Filter Change" ........................................................................\
. 7.6 quarts
With Filter Change" ........................................................................\
....... 8.6 quarts
Drain md Refill* ........................................................................\
............ 10.0 pints
@erhaul*
........................................................................\
....................... 2 1.6 pints
Automatic Transmission 7.2
L
8.1 L
4.T r,
10.2 L
Manual Transmission
Overhaul ........................................................................\
........................... 4.4 pints 2.1 L
meel Nut Torque ........................................................................\
.. 100 pound-feet (140 N*m)
Wheel Nut Cap Torque ............................................................... 22 pound-inches (2.5 Nom)
* Recheck fluid level after refill as outlined in Part 6 of this mmual. Brake System--fill at master eyli?ider to '14 inch (6.4 mm) froin top using fluid meeting SAE
1703A (DOT-3) Specifications.
31 I

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Section A: Scheduled Maintenance Services (cant.)
€xplanation of Scheduled Maintenance Services
Below are explanations of the services listedh Schedule I
and Schedule 11.
ITEM
NO. SERVICE
1 Engine OiI and Filter .Change*-Use -only API
Service SG Energy Conserving II oils of the proper
viscpsity.
To determine the preferred viscosity for
your vehicle'-s engine, see the Index under Engine
Oil. The engine requires a special oil rneethg-GM
Standard GM4718M. Oils meeting-this Standard
may be identgied. as synthetic, and should also be
ifientified as APT .Sc?rvice SG. However, not all
Synthetic
API Service SG oils will meet this GM
Standard. You should look for and use only an.oi1.
that. meets GM, Standard GM47-18M.
Your- vehicle has an Engine Oil Life Monitor. This
monitor will show you when to change the oil. See
the Index under Engine Oil Life Monitor.
The proper fluids and lubricants to use are listed in Section
D, Make sure whoever services. your vehicle uses these. All
parts should be replaced and .all necessary repairs done
before you or anyone else drives the vehicle.
ITEM
NO.
2
3
SERVICE
Chassis Lubrication-Lubricate- the transmission
shift
.linkage, parkhg brake cable guides,
underbody contact points and linkage. Lubricate
the front sus.pension.
Engine
A~ctxsory Drive Beit In'spectim-.Inspect
the bekfor-cixxlcs, fraying, wear and proper
tension. Replace as -needed.
.. -NOTE: .To determine your engine's dispta6mmt and code, see the Index under Eagine Identification.
* An Emission Cpntrol Service.
-i? The US. Environmental ProteGtion Agency has. &ermined that the. failure to perform this maintenance item will not nullify the ewsii;sion
warranty
or limit recallliabilfty priorto ;he completion .of vehicle useful life. Geizel-a1 Motors, however, urgs that a12 recmimended
mairztenanceseruices
be:performed at the indicated intervals and the-maintenance be recorded in Section E: Maintenance Record.
330

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Section A: Scheduled Maintenance Sewices (cant.)
ITEM
NO.
.8
SERVICE
Air Cleaner Filter Replacement*-Replace every
30,000-miles (50 000 km) or more often under
dusty conditions. Ask your dealer for the proper
replacement intervals for your driving conditions.
ITEM
NO. SERVICE
9 Fuel Tank, Cap and Lines Inspection*+inspect
the- fuel tank, cap and lines (including fuel rails
and injection assembly) for damage or leaks.
Inspect fuel cap gasket for 'm even filler ,neck.
imprint oi: any damage.. Replace parts as needed.
Perio-dic replacement of the .fuel filter is not
required.
. * An Emission Control Si?rvi&.
b The U.S. Environmental Protection Agency has determined that the failure to perform this maintenance item will not nullify tho emission
wmlranty or .limit recall liability prior ta the completion of vehicle useful life. General Motors, however, urges that all recommended
maintenance services
be perJomzed at the indicatedtntmals.a.nd the.maintenance be. recorded in Sectioit E: Maintenance Reccyd.
= 332

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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