CHEVROLET CORVETTE 1994 4.G Owners Manual

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I EoA7 I
POWER WINDOW
lu
D
.
Instrument Panel Fuse Block
1 - A/C Module (5 Amp)
2 - Blank
3 - Windshield WiperNVasher Switch
4 - Radio Receiver Box (Ignition)
5 - Heated Mirrors (5 Amp.)
6 - Taillight, Daytime Running Lights
Module (15 Amp.)
Assembly
(30 Amp.)
(5 Amp.)
7 - Horn Relay
(15 Amp.)
*Export Horn
(20 Amp.)
8 - Hazard Flashers; Brake Switch
(20 Amp.)
9 - Crank-Air Bag (5 Amp.)
10 - Crank-Parmeutral Shitch
(Automatic); Clutch (Manual)
(5 Amp.)
11 - RH Illumination (5 Amp.)
12 - LH Illumination (5 Amp.)
13 - Console Illumination (5 Amp.)
14 - Fuel Pump 1 (10 Amp.)
15 - Fuel Pump 2 (LT5) (IO Amp.)
16 - Central Control Module; Daytime
Running Lights Module
(5 Amp.)
17 - Generator; Vacuum Pump (LT5);
Valet Mode (LT5); EGR Circuit
(LT5); Oxygen Sensors (LT5)
(10 Amp.)
and A/C Control Head; Heater and
A/C Programmer; Rear Defog
Relay
(10 Amp.)
19 - Utility Plug (15 Amp.)
20 - Heated Oxygen Sensors (LT1)
(15 Amp.)
21 - Fuel Pump Relay Coil #2 (LT5);
Selective Ride Control Module;
ABS Module; Transmission Clutch
Control Switch (Automatic);
Air Pump Relay; Diverter Valve;
Secondary Bypass Valve (LT5)
(10 Amp.)
22 - Injectors #1,4,6,7 (LT1); Primary
Injectors #1-8 (LT5); Ignition Coil
Module (LT5); Ignition Coil Plate
Connector (LT5) (10 Amp.)
18 - A/C Compressor Clutch; Heater
. . .220

Downloaded from www.Manualslib.com manuals search engine 23 - Injectors #2, 3, 5, 8 (LTI);
Secondary Injector Relays (#1,2
(LT5); Secondary SF1 Control
Modules (LT5)
(10 Amp.)
24 - Turn Signal Flashers (10 Amp.)
25 - Ignition Coil and Ignition Coil
26 - Passive Keyless Entry Module
27 - Instrument Cluster; Driver Module (10 Amp.)
(5 Amp.)
Information Center; Air Bag Derm; Acceleration Slip Regulation
Switch
(15 Amp.)
Transmission Position Switch; One
to Four Shift Solenoid
(10 Amp.)
29 - Primary Cooling Fan Relay Coil;
Secondary Cooling Fan Relay Coil
28 - Backup Lights Switch;
(5 Amp.)
30 - Direct Ignition Module; Camshaft Sensor; Canister Purge Solenoid;
Throttle Position Sensor Buffer
Module; EGR Circuit (LT1);
31
32
Secondary Air Inlet Solenoid
(LT5); Electronic Ignition Control
Module (LT5); One to Four Shift
Relay
( 10 Amp.)
Power Mirror Adjuster Control;
Lighted Rearview Mirror; Visor
Vanity Mirrors
(5 Amp.)
Cruise Control Engage Switch;
Daytime Running Lights Module;
Low Tire Pressure Warning
Module
(5 Amp.)
33 - Engine Control Module (5 Amp.)
34 - Air Bag System (15 Amp.)
35 - Central Control Module (5 Amp.)
36 - Footwell Courtesy Lights; Door
Courtesy Lights; Glove
Compartment Lights; Lighted
Rearview Mirror
(5 Amp.)
37 - Bose Amplifier Relay; Power
Antenna Relay; Cargo
Compartment Lights
(20 Amp.)
Relay
(5 Amp.)
38 - LCD; Tone Generator; Dome Light
39 - Central Control Module (5 Amp.)
40 - Radio Receiver Box (Battery);
Radio Control Head; Passive
Keyless Entry Module
(5 Amp.)
41 - Sport Seat (10 Amp.)
42 - Power Door Lock Switches; Driver
Information Center; Passive
Keyless Entry Module
(20 Amp.)
43 - A/C Programmer (5 Amp.)
44 - Cigar Lighter; Accessory Plug
45 - Hatch or Deck Lid Release Relay
K - Power Seats (30 Amp. Circuit
L - Blank
M - Power Windows (30 Amp: Circuit
N - Blank
P - Blank
(15 Amp.)
(25 Amp.)
Breaker)
Breaker)
221 . I

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. . .222
1 I INTERIOR LIGHTING
20A I
I RH HDLP 30A I I I
h 3 5 I SECONDARY COOLING FAN
40A I
6 I EXTERIOR LIGHTING
60A
I
7 piiiFiAAccsy
I
AIR PUMP
20A I
Forward Lamp Fuse Block
1 - Interior Lighting (20 Amp.)
2 - Primary Cooling Fan (30 Amp.)
3 - LH Headlight Motor (30 Amp.)
4 - RH Headlight Motor (30 Amp.)
5 - Secondary Cooling Fan (40 Amp.)
6 - Exterior Lighting (60 Amp.)
7
- Power Accessory (Power Locks, Hatch, Lighter, Seats)
(60 Amp.)
8 - Air Pump (20 Amp.)
ECM Engine Fuse Block.
1 - Engine Control Module (20 Amp.)
2 - Fuel Pump (20 Amp.)
3 - Anti-lock Brakes; Acceleration Slip
Regulation System
(20 Amp.)
4 - A/C Blower (30 Amp.)
5 - Rear Defogger (40 Amp.)
6 - Ignition (60 Amp.)
7 - Ignition (60 Amp.)
8 - Brake Hydraulics (40 Amp.)
FUEL PUMP
ABS/ASR ECU
A/C BLOWER
IGNITION WA I
8 I BRAKE HYDRAULICS 4OA I

Downloaded from www.Manualslib.com manuals search engine Replacement Bulbs
Air Conditioningmeater Control ....................................... 37
Automatic Transmission Indicator
.................................. 194NA
Backup
......................................................... 1 156
Center High-Mounted Stoplight (except ZR-1)
.......................... 1156
Center High-Mounted Stoplight (ZR-
1) ................................. 891
Console
......................................................... 564
Cornering
....................................................... 1156
DoorCourtesy
.................................................. 212-2
Door Flood
........................................................ 73
Driver Information Center
Floorcourtesy
.................................................... 562
Fog
.............................................................. 896
* .............................................
Front Parking/Turn Signal ....................................... 2057NA
Headlight
..................................................... HP6054
Instrument Cluster
License
........................................................... 24
MirrorFlood
....................................................... 74
MirrorReading
.................................................... 168
Radio
* ...................................................
* .............................................................
Rear Courtesy (Convertible) ......................................... 562
Rear Courtesy (except Convertible)
.................................... 906
Sidemarker
........................................................ 24
Tail/Stop/Turn
................................................... 2057
Underhood
..................................................... 212-2
Visor Vanity Mirror
................................................. 74
"These bulbs are not owner.serviceab1e . See your dealer .
. h . .
223 ...

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Capacities and Specifications
Engine
Type ............................................................. V8
Fuel Delivery
....................... Sequential Multiport Fuel Injection (SFI)
Valve Arrangement VIN Engine Code
J ................................. Dual Overhead Cam
VIN Engine Code
P .................................... Overhead Valve
Piston Displacement ....................................... 350 CID (5.7L)
Bore
VIN Engine Code
J ..................................... 3.90" (99 mm)
VIN Engine Code P .................................. .4.00" (101.6 mm)
VIN Engine Code
J ..................................... 3.66" (93 mm)
VIN Engine Code
P .................................. .3.48" (88.39 mm)
VIN Engine Code
J ............................................ 11 .O: 1
VIN Engine Code
P ............................................ 10.5: 1
Firingorder .......................................... 1-843-6-5-7-2
Stroke
Compression Ratio
.. .224

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AirCleanerFilter .............................................. A1097C
Battery VINEngineCodeJ
........................................... 752-72
VIN Engine Code P
........................................... 75B-72
Coolant High Fill Reservoir Cap
.................................... RC36
Crankcase Ventilation Valve VIN Engine Code J
.............................. CV746CB and CV9 13C
VIN Engine Code P
................. : ........................ CV895C
VIN Engine Code
J .................................... PF970C (black)
VINEngineCodeP
............................................. PF51
VIN Engine Code J
.............................. GM Part No. 10067477
VIN Engine Code P
.............................. GM Part No. 10230259
VIN Engine Code
J ................................... 907 (0.050" Gap)
VIN Engine Code P
.................................... 906 (0.050" Gap)
Thermostat Temperature Specification
......................... 1 80 "F (82 O C)
Wheel Nuts
Wheel Nut Torque ................................... 100 lb. ft. ( 140 Nam)
Engine Oil Filter
Serpentine Belt
Spark Plug
225. ..

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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

Downloaded from www.Manualslib.com manuals search engine Vehicle Dimensions
Wheelbase ........................................... .96.2" (2 443 mm)
Tread Front
............................................... 57.7" (1 466 mm)
Rear Coupe and Convertible
.............................. .59.1 I' (1 501 mm)
ZR-1
............................................ .60.6" (1 539 mm)
Length
............................................... 178.5'' (4 534 mm)
Width Coupe and Convertible
............................... 70.7" (1 796 mm)
ZR-1
.............................................. 73.1 I' (1 857 mm)
Coupe and ZR- 1
...................................... 46.3 (1 176 mm)
Convertible
......................................... -47.3" (1 201 mm)
Height
I 'I
227. ..

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450 500 L
g 200
100
Power Curves
LT1 Engine
280
245 $
210 g
175 In
140 w I
105 2 Y
70 m
ENGINE SPEED-RPM
. . ,228
450 r
400 -
350 -
i= 300 -
$ 250 -
$ 200
P
-
' 150 -
100 -
50 -
Power Curves
LT5 Engine
HORSEPOWER -
450
- 400
350 3
- 300 0 3
a - 250 % U
-
- 200 p
2
w -
-
- 50
150 2
100 m
ENGINE SPEED-RPM
Belt Routing - LT1 (Code P) Engine
Belt Routing
- LT5 (Code J) Engine

Downloaded from www.Manualslib.com manuals search engine IMPORTANT:
KEEP THE ENGINE OIL
AT THE PROPER
LEVEL AND CHANGE AS
RECOMMENDED
This part covers the
maintenance required for your
Corvette
. Your vehicle needs
these services to retain its
safety. dependability and
emission control performance
.
.
Maintenance Schedule
Section
Introduction: A Word about Maintenance ........................ 230
A .
B .
C .
D .
E .
Your Vehicle and the Environment ......................... 230
How This Part Is Organized ............................... 230
Scheduled Maintenance Services ............................ 231
Using Your Maintenance Schedule
......................... 231
Selecting the Right Schedule
.............................. 231
Schedule1
............................................. 232
Schedule11
............................................ 234
Explanation
of Scheduled Maintenance Services .............. 236
Owner Checks and Services ................................ 238
At Each Fuel
Fill ....................................... 238
AtLeastOnceaMonth
.................................. 238
At Least Once
a Year .................................... 239
Periodic Maintenance Inspections ........................... 242
Recommended Fluids and Lubricants ........................ 244
Maintenance Record ...................................... 247
I
Protection
Plan
Have you purchased the GM Protection Plan? The Plan
supplements your new car warranties
.
See your GM dealer for details .
229 ...