service CHEVROLET CORVETTE 1993 4.G Manual PDF

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Hardtop Care
Your optional hardtop has the same
durable finish
as the painted surfaces of
your Corvette. Your hardtop may be
cleaned, polished and waxed.
If your
hardtop is stored for an extended
period, keep it covered
in a dry place.
Also, avoid the build-up of dust and dirt
before storage
or installation. Apply
silicone grease
or ArmorAll@ to all
hardtop weatherstrips.
Finish Care
Occasional waxing or mild polishing of
your Corvette may be necessary to
remove residue from the paint finish.
You can get GM approved cleaning
products
from your dealer. (See the
Index under Appearance Care. )
Your Corvette has a "basecoat/
clearcoat" paint
finish. The clearcoat
gives more depth and gloss to the
colored basecoat.

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Foreign Material
Calcium chloride and’ other salts, ice
melting agents; road oil and tar, tree
sap? bird droppings, chemicals from
industrial chimneys, and other foreign
matter can damage -your vehicle’s finish
if thGg remab .~n painted surfaces. Lkg.
clearrers that are marked safe for
painted surfaces- for these stains.
302
Finish Damage
Any stone chips, fractures or deep
scratches
in the finish should be
repaired right away.
Minor chips and scratches can be
repaired with touch-up materials
available from your dealer or other
service outlets. Larger areas of finish
damage can be corrected in your
deder’s body and paint.shop.
Underbody Maintenance
Chemicals used for ice and snow
,removal and dust cdntroI can-collect ori
the underbody. If these are not
removed, accelerated corrosion (rust)
cm.owur on the underbody parts such
as fuel lines; frame, floor pan, and
exhaust system even thoughthey have
corrosion protection.
At least every spring,
€lush these
materials frum the underbody ~th
plain water. Clean any areas where mud
and other debris can collect. DM
packed in closed areas of the frame
should be loosened before being
flushed. Your dealer or an underbody
vehicle
washing. system can do this for
you.

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Engine identification
The eighth character in your VIN is the
engine code
for your GM engine. This
code
will help you identify your engine,
specifications, and repIacernent
parts in
this section.
Senrice Parts Identification Label
You'll find this label on the underside of
the center storage console lid. It's very
helpful
if you ever need to order parts.
On this label is:
* Your VIN.
Its model designation.
Paint information.
. A list of all production .options and
special
equipment.
Be sure that this label is not removed
from the vehicle.

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Fuse Usage
,

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Fuse Usage (CONT.)
Position Rating
(AMP.)
27 5
28 15
29 5
30 10
31 5
32 5
33 5
34 15
35 5
36 5
37 20
38 5
39 5
40 5
41
42 20
43 5
44 15
45 25
Circuit Breakers:
K 30
L
M
N
P
3.0
1 308
Circuitry
Instrument Cluster; Driver Information Center; Supplemental Inflat\
able Restraint (Air Bag) D.E.R.M.; Acceleration
Slip Regulation
Switch
Back-up Lamps Switch Gear Solenoid; Transmission Position Switch
Primary Coaling Fan Relay Coil; Secondary Cooling Fan Relay Coil '
Secondary Butterfly Relay (LT5); Direct Ignition Module; Camshaft Sensor; Traction Buffer; Cannist\
er Purge
Solenoid; Exhaust
Gas Recirculation Control (LT1); Gear Relay (Manual)
Power
Mirror Adjuster Control; Lighted Rearview Mirror; Visor Vanity Mirrors
Cruise Control Engage Switch Daytime Running Lamps Module; Low Tire Pressure Warning Module
Engine Control Module
Supplemental Inflatable Restraint System
Central Control Module
Dome Lamp Relay; Footwell Courtesy Lamps; Do.0~ Cpurtesy Lamps; Glove Compartment Lamps; Lighted Rearview
Mirror
Bose
Amplifier Relay; Power Antenna Relay; Cargo Compartment Lamps
LCD Tone Generator
Central Control Module
2
Radio Receiver Box (Battery); Radio Control Head; Passive Keyless Entry Module
Blank
Power Door Lock Switches
A/C Programmer
Cigar Lighter
Hatch or Deck
Lid Release Relay
4
Power Seats
Blank
Power Windows
Blank
Blank

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c-
Electronic Heating and Air
Conditioning
The blower motor for the ,optional
(C683 Automatic Electronic Climate
Control 6yst.em is protected by a 5-amp
underhood- fuse. -See your dealer for
service.
Headlight. Wiring
The headlight wiring is protected by a
circuit breaker in the.Iight switch, An
electrical overload will cause the lights
to go on and off, QT in some cases to
remain o€E. If this happens, have your-
headlight system checked right away.
Windshield. Wipers
The windshield wiper- motor is
protected.
by a circuit breaker and a
fuse. If the rn0to.r overheats due to
heavy snow, etc., the wiper will stop
until the. motor cools. If, the overload is
caused by some electrical problem, 'ham
it
fixed.
Power Windows and Other
Power Options
Circuit breakers in the fuse panel
protect the
power windows and other
power accessories.
When the current
load is too heavy, the circuit breaker
opens and closes, protecting the circuit
until the.proHern is
fixed.

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Replacement Bulbs
Exterior Lights
Front Cornering ........................................................................\
.........
Fog Light ........................................................................\
....................
Front Headlight ........................................................................\
..........
Front Parking Light/Twn Signal .......................................................
Front Side Marker ........................................................................\
.......
Rear Back-up ........................................................................\
..............
Rear Cornering ........................................................................\
...........
License ........................................................................\
........................
License (ZR-1) ........................................................................\
...........
Rear Side Marker ........................................................................\
.......
Rear Taj.l/Stop/Turn Signa1 ...............................................................
CHMSL (ZR-1) ........................................................................\
..........
CHMSL (Coupe and Convertible) ....................................................
314
Bulb Number
1156 i
896. (GM Part No 9442467)
HP6054
2057NA
24
1156
1156
24
24
24
2057
891
1156
.... _ ... ....... ...

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Dhensions
Standard Exterior
Wheelbase ........................................................................\
...................
Len~h ........,.....,,...........,...~.................,,..,....,,,,..........\
..........................
Width ........................................................................\
..........................
Height ........................................................................\
.........................
Height (Convertible) ........................................................................\
..
ZR-l Exterior
Wheelbase ........................................................................\
...................
Length ........................................................................\
.........................
Width ........................................................................\
..........................
Height ........................................................................\
.........................
Interior
Head Room.. ........................................................................\
...............
Shoulder Room ........................................................................\
..........
Hip Room ........................................................................\
...................
Leg Room ........................................................................\
...................
96.2 in.
17.8.5 in.
70.7 in.
46.3 in.
47.3 in.
(244.4 cm)
(17'9.6 cm)
(117.7 ern)
(120.2 cm)
(453.5 cm)
96.2 in. (244.4 cm)
178.5 in. (453.5 cm)
73.1 in. (685.6 cm)
46..3 in. (117.7 cm)
36.5 .in. (92.7 cm)
50.8 in. (129.0 cm)
42.0 in. (106.8 cm)
53.9 in. (136.8 cm)

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fluids & Lubricants (CQNT.)
ITEM
Limited-Slip Rear Axle Lubricant
Additive ...................... .-.,.. ............................
Special Ge.ar Lubricant.. ...........................
Engine Oil., . .................. <+.. ............................
Windshield W.asber Solvent ........ .... .*. ....
Synthetic P0w.e~ Steering Fluid ,,.* .... -. .......
.Sdxcorie Gxease.. ....................... -...i.r.i ........
S@ray-A-Squeair Silicone Lubricant, ........
1' .
31 8
SIZE
4 02. (0-118 L)
23 02. (0:680 L)

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....... ,.
I his part covers the, maintenance
required for
your Corvette. Your
vehicle needs these services to retain
its safety, dependability and emission
control performance.
r-I I
Have you purchased the GM
Protection Plan?
The Plan supplements your new
vehicle warranties. See your
Chevrolet dealer for details.
part 7
Maintenance Schedule
Section
.Introduction
A Word About Maintenance .......................................................... 322
Your Vehicle and the Environment ................................................. 322
How This Part is. Organized ........................................................... 323
Using- Your Maintenance Schedules ............................................... 324
Selecting the Right Schedule ........................................................... 324
Schedule I ........................................................................\
............... 3.26
Schedule I1 ........................................................ ~ .............................. 328
Explanation of Scheduled Maintenance Services ......................... 330
At Each Fuel Fill ........................................................................\
...... 333
At -Least Once a Month ................. ...:. ....... ..;. .................... ;.. ............. 333
At Least Once A Ye ar..., .................................................................... 334
A. Scheduled Maintenance Services 4
B. Owner Checks & Services
C. Periodic Maintenance Inspections ....................................................... 336
D. Recommended Fluids &-Lubricants ............................................... ..... 337
E. Maintenance Record ........................................................................\
...... 340
32 I