check engine CHEVROLET CORVETTE 1993 4.G Workshop Manual

Downloaded from www.Manualslib.com manuals search engine Power Steering Fluid
How To Check Power Steering Fluid
Unscrew the cap and wipe the dipstick
with a clean-rag. Replace the cap and
completely tighten
it. Then remove the
cap again and look
at- the fluid level on
the dipstick,
When .the engine imnpartrnent is hot,
the level should be at the HOT or H
mark.
cool, the level should be atthe FULL
COLD or C mark.
When the engine compartment is
What t,o Add:
Refer to the Maintenance Schedule- to
determine what.kind
of fluid to use. 'See.
the
Index under Fluids G Lubricants.
II NOflCE
Windshield Washer Fluid
To Add:
Open t,he.cap labeled WASHER .
FLUID ONLY. Add washer fluid until
the^ bottle is full.
.

Downloaded from www.Manualslib.com manuals search engine Headlight Aiming
Improperly aimed headlights can be
dangerous. Periodic headlight. checks
for proper aiming and adjustment are
strongly recommended. Your Chevroket
dealer is well. equip,ped to
provide such
service.
Fog Ught Bulb Replacement
The fog lights can be reached from
under the- front bumper.
1 Remove the hex-head screw using a
7 m hex-head socket.
2. Open the door. Then reach up into
the fog light assembly €or the bulb.
3. Rotate the bulb base eounter-
doclm&e l/s turn. Then pull the bulb
bise out.
from the wiring harness.
reconnect the
wiring h-mess. Cluse
and secure the door.
4. &refully disconnect the bulb base
5. Insert the neq7 bulb -and then
If your fog 'lights become improperly
aimed,
have your Chwrokt dealer aim
tka QQr YOU.

Downloaded from www.Manualslib.com manuals search engine Senrice & Appearance Care
CAUTION
Inflation-Tire Pressure
The Tire-Loading Information label
! which is on the rear edge of the driver’s
door
shows the correct inflation
pressures for your tires, when they’re
cold. “Cold” means your vehicle has
been sitting for at least three hours or
driven no more than a mile.
If you have to check tires when they’re
not cold,
add 4 psi (28 kPa) to the
numbers on the sticker.
. 282

Downloaded from www.Manualslib.com manuals search engine When to Check:
Check your tires once a month or more.
Don’t forget your compact spare tire. It
should be at 60 psi (420 1tPa).
How to Check:
Use the tire pressure gage provided in
your center storage console to check
tire pressure. Simply looking
at the tires
will not tell you the pressure, especially
if you have radial tires-which may look
properly inflated even if they’re
underinflated.
If your tires have valve caps, be sure to
put them back
on. They help prevent
leaks
by keeping out dirt and moisture.
Tire Rotation
The tires on your Corvette are
directional, asymmetrical, and are
different sizes
front tu rear. Due to this,
your tires should not be rotated. Each
tire
and wheel should be used only in
theqosition it
is in.

Downloaded from www.Manualslib.com manuals search engine Sewice & Appearance Care
When It’s Time.for New Tires
One way to tell when it’s time for new
tires is to check the treadwear indicators,
which will appear when your tires have
only%2 inch (1.6 mm) or less of tread
remaining.
You need a new tire if:
* You can see the indicators at three
You can see cord or fabric showing
The tread or sidewall is cracked, cut
places around the tire.
through the
tire’s rubber.
or snagggd deep enough to show cord
or fabric.
The tire has a bump, bulge or split.
The tire has a puncture, cut or other
damage that can’t he repaired well
because
of the size or location of the
damage.
Buying New Tires
To find out what kind and size of tires
you need, look at the Tire-Loading
Information label. The
tires installed on
your vehicle when it was new had a Tire
Per€omance
Criteria Specification
(TPC Spec) number on each tire’s
sidewall. When
you get new tires, get
ones with that sme TPC Spec number.
That way, your vehicle will continue to
have
tires that are designed to give
proper endurance, handling, speed
rating, traction, ride and other things
during normal service on your vehicle.
If your tires have an all-season tread
design, the TPC Spec number will be
followed by an “MS” (for mud and
snow).
. ... r .: ;.- - .
If yuu ever replace your tires with those
,not having a TPC Spec number, make
SLUT they are the same size, load range,
speed rating and construction
type
(bias, bias-belted or radial) as your
original tires.
G

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i
E" P !
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!
Care of Safety Belts
Keep belts clean and dry.
Glass
Glass should be cleaned often. GM
GIass Cleaner (GM Part No. 1050427)
or a liquid household glass cleaner will
remove normal tobacco smoke and dust
films.
Don't use abrasive cleaners .on glass,
because they
may cause scratches.
Avoid placing decals
on the inside rear
window, since they may have to be
scraped
off later.
If abrasive cleaners are used on the
inside
of the rear window, m electric
defogger element
may be damaged. Any
temporary license should not be
attached across the defogger grid.
Cleaning the Outside. of the
Windshield and Wiper Blades
If the windshield is not clear after using
the windshield
washer, or if the wiper
blade chatters when
rmnirxg, wax or
other material may be on the blade or
windshield.
Clean the
outside of the windshield
with
GM Windshield Cleaner, Bon-Ami
Powder@ (GM Part No. lO5OOll). The
windshield is clean if beads do not form
when you rinse it with water.
Clean the
blade by wiping vigorously
with a cloth soaked
in full strength
windshield washer solvent. Then
rinse
the blade with water.
Wiper blades should
be checked on a
regular basis and replaced when worn.
295

Downloaded from www.Manualslib.com manuals search engine Servrce & Appearance -- . Care
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.

Downloaded from www.Manualslib.com manuals search engine F
r
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

Downloaded from www.Manualslib.com manuals search engine P
....... ,.
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

Downloaded from www.Manualslib.com manuals search engine w
6 Transmissi-on Servic.e-For.a manual transmission,
the fluid doesnY req.uire changing.
ITEM
NO. SERVICE
For an automatic transmission, change koth the
fluid and f&r every 15,000 miles (25 000 lun) if
the vehicle is mainly dr-iven under .one ox more of,
these conditions:
In heavy city traffic where the outside
temperature regularly reaches 9OoF (32°C) or
higher..
9 In. hilly .or mguntain.ous te.min.
Uses such ,asTound in taxi, police ~ar or delivery
If you do not use your vehicle under- any of these
conditions, change both the fluid and fiiter every
100,000 miles (160 000 lan).
‘6 Spark Plug RepIacement’e-Replaee zpaik plugs
with the proper type. See the Index under
Replacem~ent Parts;
burns, cracks or Other damage. Check the boot fit
at. the coils .and at the spark plugs.. Redtice wires
as needed.
service.
7 Spark Plug Wire Inspection*B-Inspect for