automatic transmission fluid CHEVROLET CORVETTE 1994 4.G Owners Manual

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about the care of your Corvette
.
This part begins with service
and fuel information. and then it
shows how
to check important
fluid and lubricant levels
. There
is also technical information
about your vehicle. and a section devoted
to its
appearance care
.
Part 6
Service & Appearance Care
Service ........................................................
Fuel ..........................................................
Checking Things under the Hood ...................................
HoodRelease .................................................
Engineoil .................................................
Aircleaner ........................... ...................
Automatic Transmission Fluid ..................................
Manual Transmission Fluid ......................................
Hydraulic Clutch ...............................................
RearAxle ....................................................
Enginecoolant ................................................
Power Steering Fluid ...........................................
Windshield Washer Fluid ........................................
Brake Master Cylinder ..........................................
Battery ......................................................
Bulb Replacement ...............................................
Windshield Wiper Blades ..........................................
Tires ..........................................................
Appearancecare ................................................
Appearance Care Materials Chart ...................................
Vehicle Identification Number (VIN) ................................
Service Parts Identification Label ...................................
Add-on Electrical Equipment ......................................
Fuses and Circuit Breakers ........................................
Replacement Bulbs ..............................................
Capacities and Specifications ...................................
LoadingYourVehicle ............................................
172
173
175
175
178
182 184
186
187
188
188
191
192
193
195
195
202
202
204
210
217
218
218
218
219
223
224
171 ..

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When you open the hood, you'll see:
1. Hydraulic Clutch Fluid Reservoir (if
2. Brake Fluid Reservoir
equipped)
. . .I76
1
Before closing the hood, be sure all
the filler caps are on.
'*?-
5.7L LTI (Code P)
3. Battery
4. Electrical Engine Fan
5. Air Cleaner
6. Coolant Recovery Tank
7. Power Steering Fluid Reservoir
8. Engine Oil Fill Cap
9. Engine Oil Dipstick
10. Windshield Washer Fluid Reservoir
11. Coolant High Fill Reservoir
12. Automatic Transmission Dipstick
(if equipped)
I

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5.
0
0
Reverse the steps.
Align the tabs
to the slots in the
bottom of the assembly before you
replace it.
Install the short knob into the middle
hole first. Then install the longer
knobs into the outer holes.
Automatic Transmission Fluid
When to Check and Change
4 good time to check your automatic
:ransmission fluid level is when the
mgine oil is changed. Refer to the
Maintenance Schedule to determine when
co change your fluid. See “Scheduled
Maintenance Services” in the Index.
How to Check
Because this operation can be a little
iifficult, you may choose to have this
done at a Chevrolet dealership Service
Department.
[f you do it yourself, be sure to follow all
the instructions here, or you could get a
false reading on the dipstick.
NOTICE:
Too much or too little fluid can dam-
age your transmission.
Too much can
mean that some of the fluid could
come out and fall
on hot engine parts
or exhaust system, starting a fire. Be
sure to get an accurate reading if you
check your transmission fluid. Wait
at least 30 minutes before checking
the transmission fluid level if you have
been driving:
0 When outside temperatures are above
0 At high speed for quite a while.
0 In heavy traffic - especially in hot
To get the right reading, the fluid should
be at normal operating temperature, which is
180°F to 200°F (82°C to 93°C).
To check transmission fluid hot: Get
the vehicle warmed up by driving
about
15 miles (24 km) when outside
temperatures are above
50°F (10°C). If
it’s colder than
50°F (10°C)’ drive the
vehicle in
“D’ (Third Gear) until the
engine temperature gage moves and then
remains steady for ten minutes. Then follow the hot check procedures.
To check transmission fluid cold: A cold
check is made after the vehicle has been sitting for eight hours or more with the
engine
off and is used only as a reference.
Let the engine run at idle for five minutes
if outside temperatures are 50” F ( 1 OOC)
or more. If it’s colder than 50°F ( 10°C)’
you may have to idle the engine longer.
Should the fluid level be low during a
90°F (32°C).
weather.
. . .184

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;ake much fluid, generally less than a pint.
Don’t overfill. We recommend you use
mly fluid labeled DEXRON@-111 or
DEXRON@-IIE, because fluids with that
label are made especially for your
automatic transmission. Dama e caused
by fluid other than DEXRON -111 or
DEXRON@-IIE is not covered by your
new vehicle warranty.
0 After adding fluid, recheck the fluid
level as described under “How to
Check.”
obtained, push the dipstick back in all
the way.
D
0 When the correct fluid level is
Manual Transmission Fluid
How to Check:
Because this operation can be difficult,
you may choose to have this done at a
Chevrolet dealership Service Department.
If you do it yourself, be sure to follow all
the instructions here, or you could get a
false reading.
. . .I86
NOTICE:
Too much or too little fluid can
damage your transmission.
Too much
can mean that some of the fluid could
come out and fall on hot engine parts
or exhaust system, starting a fire. Be
sure to get an accurate reading if
you
check your transmission fluid.
:heck the fluid level only when your
mgine is
off, the vehicle is parked on a
eve1 place and the transmission is cool
:nough for you to rest your fingers on
he transmission case. Then, follow these steps:
1. Remove the filler plug.
2. Check that the lubricant level is up to
the bottom of the filler plug hole.
3. If the fluid level is good, install the
plug and be sure it is fully seated. If
the fluid level is low, add more fluid
as described in the next steps.
How to Add Fluid:
Here’s how to add fluid. Refer to the
Maintenance Schedule to determine what
kind of fluid to use. See “Recommended
Fluids and Lubricants”
in the Index.
1. Remove the filler plug.

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Capacities (Approximate)
The following approximate capacities are given in U.S. and metric conversions.
Air Conditioningt
...... See the refrigerant information label under the hood.
Automatic Transmission
Drain and Refill
....................................... 10.0 pt. (4.7 L)*
Overhaul
............................................ 21.6 pt. (10.2 L)*
VIN Engine Code J ................................... 14.7 qt. (1 3.9 L)
VIN Engine Code
P ................................... 17.8 qt. (16.9 L)
VIN Engine Code J
Cooling System
Crankcase Without Filter Change
................................. 7.6 qt. (7.2 L)*
With Filter Change
.................................... 8.6 qt. (8.1 L)*
Without Filter Change ................................. 4.0 qt. (3.8 L)*
With Filter Change .................................... 4.5 qt. (4.3 L)*
Fuel Tank ............................................ 20.0 gal. (75.7 L)
Manual Transmission (Overhaul)
............................ 4.4 pt. (2.1 L)*
Rear Axle
Lubricant
............................................ 1.5 qt. (1.42 L)*
Limited-Slip Additive
................................. 4.0 oz. (1 18 ml)
VIN Engine
Code
P
tNot all air conditioning refrigerants are the same. If the air conditioning system in
your vehicle needs refrigerant, be sure the proper refrigerant is used. If you’re not
sure, ask your Chevrolet dealer.
*Recheck fluid level after filling. See Part
6 or the Index.
.. .226

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NO. SERVICE
Index. This provides proper
freeze and boil protection,
corrosion inhibitor level and
maintains proper engine
operating temperature.
Inspect hoses and replace if
they are cracked, swollen or
deteriorated. Tighten screw-type
hose clamps. Clean the outside of
the radiator and air conditioning
condenser. Wash the pressure cap
and neck.
To help ensure proper operation,
we recommend a pressure test of
both the cooling system and the
pressure cap.
5 Transmission Service - For
manual transmissions, fluid
doesn’t require changing. See
“Periodic Maintenance
Inspection.”
For automatic transmissions,
change both the fluid and filter
every
15,000 miles (25 000 km)
ITEM
NO. SERVICE
if the vehicle is mainly driven
under one or more of these
conditions:
In heavy city traffic where the
outside temperature regularly
reaches
90 OF (32 O C) or
higher.
In hilly or mountainous
terrain.
Uses such as found in taxi,
police car or delivery service.
If you do not use your vehicle
under any of these conditions,
change both
the fluid and
filter every
100,000 miles
(1 66 000 km).
Replace spark plugs with the
proper type. See “Replacement
Parts” in the Index.
6 Spark Plug Replacement* -
7 Spark Plug Wire Inspection*? -
Inspect for burns, cracks or other
damage. Check the boot fit at the
coils and at the spark plugs.
Replace wires as needed.
ITEM
NO. SERVICE
8 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 inter-
vals for your driving conditions.
Inspection*?
- Inspect fuel tank,
cap and lines (including fuel rails
and injection assembly) for
damage or leaks. Inspect fuel cap
gasket for an even filler neck
imprint or any damage. Replace
parts as needed. Periodic replace-
ment of the fuel filter is not
required.
9 Fuel Tank. Cap and Lines
* An Emission Control Service.
t The U.S. Environmental Protection Agency
or the California Air Resources Board has
determined that the failure to perform this
maintenance item will not nullify the emission
warranty or limit recall liability prior to the
completion
of vehicle useful life. General
Motors, however, urges that all recommended
maintenance services be performed at the
indicated intervals and the maintenance be
recorded in “Section
E: Maintenance Record.”
I -I
237. . .

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Section D: Recommended Fluids & Lubricants
NOTE: Fluids and lubricants identified below by name, part number or specification may be obtained from your GM Dealer.
USAGE FLUID/LUBRICANT
Engine Oil
API service SH or SG Energy Conserving I1 oils of the proper viscosity. To determine the
preferred viscosity for your vehicle’s engine, see “Engine Oil” in the Index. The engine requires
a special oil meeting GM Standard GM4718M. Oils meeting this stan\
dard may be identified as
synthetic, and should also be identified as API Service SH. However, not all Synthetic API
Service SH oils will meet this GM Standard.
You should look for and use only an oil that meets
GM Standard GM4718M.
Engine Coolant
50/50 mixture of water (preferably distilled) and good quality ethylene glycol base antifreeze
(GM Part No. 1052753 or equivalent) conforming to GM Specification 1825M or approved
recycled coolant conforming to GM Specification 1825M.
Hydraulic Brake Delco-Supreme
ll@ Brake Fluid (GM Part No. 1052535 or equivalent DOT-3 brake fluid).
System
Hydraulic Clutch System Hydraulic Clutch Fluid
(GM Part No. 12345347 or equivalent).
Parking Brake
Chassis lubricant (GM Part No. 1052497 or equivalent) or lubricant meeting requirements of
Guides NLGI Grade 2, Category LB or GC-LB.
Power Steering
GM Synthetic Power Steering Fluid (GM Part
No. 12345866 or 12345867 or equivalent).
System
Manual Transmission
Transmission DEXRON@-I11 or
DEXRON@-IIE Automatic Transmission Fluid.
Automatic Manual Transmission Fluid
SAE 5W-30 (GM Part
No. 1052931 or equivalent).
. . .244

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Acceleration Slip Regulation
System
..................... 126
Accessory Plug
.................. 76
Acrylic Roof Panel
............... 70
Adding Coolant
................ 189
Add-on Electrical Equipment
..... 21 8
Air Bag System ................. 23
How the System Works
......... 24
Servicing Your Air Bag-
Equipped Corvette
........... 26
Readiness Light
................ 24
Air Cleaner
.................... 182
Air Conditioner Controls
......... 106
Air Control Buttons
............. 106
Air Filter Replacement
........... 183
Alignment and Tire Balance. Wheel
. 208
Aluminum Wheels
.............. 2 15
AMPM Stereo
With Cassette Tape Player
...... 11 3
With Cassette Tape and
Compact Disc Player
........ 11 5
Antenna. Power Mast. Care
....... 11 8
Anti-Lock Brakes
.............. ‘125
System Active Light
............ 86
System Warning Light
.......... 85
To Use
..................... 126
Appearance Care
............... 21 0
Appearance Care and Materials .... 21 7
Appearance Care. Service and
..... 171 Ashtray and
Lighter
.............. 75
ASR System
................... 126
Active Light
.................. 87
Off Light .................... 86
Warning Light
................ 86
Audio Systems
................. 112
Audio Systems. Comfort Controls and
................. 105
Automatic Electronic Climate
Control
..................... 108
Air Control Buttons
........... 108
Automatic Control
............ 109
Defogging and Defrosting
Windows
................. 110
Fan
Control Buttons ........... 108
Manual Bi-Level
............. 109
Manual Cooling
.............. 109
-Manual Heating
.............. 109
Manual Ventilation
............ 109
System Problems
............. 110
Temperature Control Switch .... 108
Temperature Sensors
.......... 108
Automatic Transmission
.......... 5 1
Automatic Transmission Fluid
..... 184
Axle. Limited-Slip Rear
........... 56
Axle. Rear
.................... 188
Babies. Smaller Children
Balance. Wheel Alignment and
(Safety Belts)
.............. 28
and Tire
.................... 208 Battery
....................... 195
Battery Replacement. Passive Keyless
Entry System
................. 41
BBB Auto Line
. Alternative
Dispute Resolution Program.
GM Participation in
......... 253
Before Leaving on a Long Trip
.... 135
Belt. Lap-Shoulder
............... 20
Bi-Level
...................... 107
Blizzard. If You’re Caught in a
.... 138
Block Heater. Engine
............. 50
Brakes Adjustment
.................. 194
Anti-Lock (ABS)
............. 125
Fluid
....................... 193
Master Cylinder
.............. 193
Parking
...................... 56
PedalTravel
................. 194
System Parts. Replacing
........ 194
System Warning Light
.......... 84
Wear Indicators. Disc
.......... 194
Braking (Control of a Vehicle)
..... 124
Braking in Emergencies
.......... 127
“Break.In.
.. New Vehicle ......... 46
Brightness Control
............... 67
Bulb Replacement
.............. 195
Back-up Light
............... 198
Center High-Mounted Stoplight
.............. 200. 201
Cornering Light
.............. 199
Fog Lamp
................... 196
261 ...

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Engine Running
.................. 58. 59
Starting Your
................. 47
andthe
..................... 230
Extended Mobility Tires
......... 205
Extender. Safety Belt
............. 33
Fabric Protection
.............. 21 1
Fan Control Buttons
............. 106
Features and Controls ............ 35
Fiberglass Springs
.............. 2 16
Filling Your Tank
............... 174
Finish Care (Paint)
.............. 214
Finish Damage (Paint)
........... 2 15
Flashers. Hazard Warning
........ 142
Flat Tire. Changing a ............ 159
Flat Tire. Storing a
.......... 167. 168
Flat. If a Tire Goes
.............. 159
Fluid
Automatic Transmission
....... 184
Manual Transmission
.......... 186
Power Steering
............... 191
Recommended
............... 244
Windshield Washer
........... 192
Fog Lights
..................... 68
Foreign Countries. Fuels in
....... 174
Foreign Material Paint Damage
.... 21 5
Forward Lamp Fuse Block ........ 222
Freeway Driving
............... 134
... 264
Environment. Your Vehicle
Exhaust. Engine
................. 59 Front
Map Lights
................... 68
Seat. Manual
................. 12
Towing Hook-ups
............. 148
Fuel
......................... 173
Fuels in Foreign Countries
........ 174
Fuse Block FuelGage
...................... 83
ECM Engine
................. 222
Forward Lamp
............... 222
Instrument Panel
............. 220
Fuses and Circuit Breakers
..... 219
Gasolines for Cleaner Air
....... 173
Gauges Engine Coolant Temperature
..... 89
Engine Oil Pressure
............ 91
Engine Oil Temperature
......... 92
Fuel
........................ 83
Readings. Numeric
............. 83
Warning Lights and Indicators
.... 82
Glass ......................... 213
GM Participation in BBB Auto Line
-
Markings .................... 82
Alternative Dispute Resolution
Program
.................. 253
Halogen Bulbs
............... 195
Hardtop. Cleaning and Storage of
. . 215
Hardtop. Convertible
............ 100
Hatch Release. Remote ........... 41 Hazard Warning Flashers
......... 142
Headlights
..................... 67
Headlight Doors
................. 67
Headlight High/Low Beam
........ 62
Heater. Engine Coolant (Block)
..... 50
Heating ....................... 107
Highway Hypnosis
.............. 135
Hill and Mountain Roads ......... 136
Hood Release
.................. 175
Hood. Checking Things under the
. . 175
Hook.Ups. Front Towing
......... 148
Hook.Ups. Rear Towing
......... 149
Horn
.......................... 60
How to Add Coolant to the
Coolant Recovery Tank
........ 153
How To Add Coolant to the
Coolant High Fill Reservoir
............. 154. 157
Hydraulic Clutch
............... 187
Hydroplaning
.................. 133
Hypnosis. Highway
............. 135
Identification Number. Vehicle
.... 218
Idling. Rovgh
...... : ............ 50
If a Tire Goes Flat .............. 159
If You’re Stuck: In Sand. Mud. Ice or Snow
.................... 169
Ignition Switch
.................. 46
Inflation
- Tire Pressure .......... 206
Inside Daymight Rearview
Mirror
....................... 69

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Shift Speeds .................... 54
Shifting into P (Park)
............. 57
Shifting out of P (Park)
........... 58
Six-Speed Manual Transmission
.... 53
Skidding
...................... 130
Smaller Children and Babies
(Safety Belts)
................. 28
Snow or Ice. Driving on
.......... 138
Spare Tire. Compact
............. 169
Speakers. Adjusting the
AM/FM Stereo with Cassette
AM/FM Stereo with Cassette Tape
Tape Player
................ 114
and Compact Disc Player
..... 11 5
Specifications. Capacities and
..... 224
Speedometer and Odometer
........ 80
Sport Seat ...................... 13
Springs. Fiberglass
.............. 21 6
Starting Your Engine
............. 47
Starting. Jump
................. 143
Steam Coming from Your Engine.
If There Is
................... 150
Steam. If There Is No
............ 151
Steering
...................... 127
Fluid. Power
................. 191
In Emergencies
............... 128
Power
...................... 127
Tips
........................ 127
Compartments
................ 72
Door
........................ 73
Storage
... 268
Storage
Rear
........................ 73
Vehicle
..................... 195
Storing a Flat Tire
.......... 167. 168
Stuck: In Sand. Mud. Ice or Snow . . 169
Sun Visors
..................... 74
Switch. Ignition
................. 46
Symbols. Safety Warnings and
...... 8
Symbols. Vehicle ................ 10
System Problems (Electrical)
....... 82
Tachometer
................... 8 1
Tank. Filling Your
.............. 174
Temperature Control Lever
....... 106
Theft
.......................... 43
Theft Deterrent. PASS-Key
........ 45
Theft Deterrent. Universal
......... 44
Thermostat
.................... 190
Tilt Wheel
...................... 61
Tips, Steering
.................. 127
Tips. Ventilation
................ 1 12
Tire Loading
................... 202
Tires
......................... 204
Balance. Wheel Alignment and
. . 208
Buying New
................. 207
Chains
..................... 209
Changing a Flat
.............. 159
Cleaning
.................... 2 1 5
Compact Spare ............... 169
Extended Mobility
............ 205
Inflation Pressure
............. 206 Tires
Inspection and Rotation
........ 206
Low Tire Pressure Warning System
.................... 87
Storing a Flat
............ 167. 168
Temperature Grades
........... 208
Traction Grades
.............. 208
Treadwear
................... 207
When It’s Time for New
....... 207
AM/FM Stereo with Cassette
AM/FM Stereo with Cassette Tape and Compact Disc
Uniform Quality Grading
....... 207
Tone. Setting the
Tape Player
................ 11 3
Player .................. 115
Top. Convertible
................. 96
Torque Lock
.................... 58
Towing A Trailer
.................... 139
Top
Strap (Child Restraints)
........ 29
Front Hook-Ups
.............. 148
Rear Hook-Ups
.............. 149
Your Vehicle
................. 146
Track Use.
Off Road ............. 49
Trailer. Towing a
............... 139
Transmission
Automatic
.................... 51
Fluid. Automatic
............. 184
Fluid. Manual
................ 186
Manual
...................... 53