1993 CHEVROLET CORVETTE check engine

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

Downloaded from www.Manualslib.com manuals search engine a
w
c
Section B: Owner Checks & Servrces
Listed below are owner checks and s&vice:s which should be
performed at the intervals specified to help ensure th-e
safety, dependability and emission control performance of
your vehicle.
Be sure any r~ecessary repairs .are completdat once,
Whenever any fluids or lubricants-are added to your vehicle,
make
sure they are the proper ones, -as shown in Section D.
CHECK
OR SERVICE _. -
Engine Oil Level
Engine
Coolant Level
Windshield WashGl
Fluid .Level
WHAT .TO. DO *
Check the engine oil level and add the proper oil if necess-ary. If you have a ZR-1 you-should
check your engine oil when the engine is cold. See the Indecx under Engine OiG for Mer details.
Check the engine. coolant level in the coolant recovery tank and add the proper coalant mix if
necessary. See the Index under Coolant for further details.
Check the windshield washer flui.d level in the windshield washer’ tank and add the proper fluid
if necessary. See the Ida under W7ndshieZd Wusher.nuid for further details.
At Least Once a Month
CHECK WHAT TO DO 0R.SERVICE
Tire Inflation Check tire inflation. Make sure they are inflated to the pressures specified on the Tire-Loading
Information label. located on the rear edge of the driver’s door. See the Index under Eres for
further details.
333 . .

Downloaded from www.Manualslib.com manuals search engine Maintenance Schedule
Section 6: Owner Checks & Services (Cant.)
CHECK
OR .SERVICE
Key Lock Cylinders
Body Lubrication
WHAT TO DO
Lubricate the key lock cylinders with the lubricant specified ii.1 Section D.
Lubricate all body door hinges. Also lubricate all hinges and latches, .including those for the
hood, rear compartment, glove. box dool; console door and any folding- seat hardware. Section D
tells you what to use.
I. Before you start, be sure you have enough room around the vehicle.
2. Firmly apply both the parking brake (see the Index under Parking Brake if necessary) md the
regular brake.
NOTE: Do not use the accelerator pedal, and be -ready to turn off the engine immediately if -it
Starts.
work only in P (Park) or N (Neutral). If the starter works in any other positbn, your vehicle
needs service.
On manual transmission vehicles, put the shift lever in N (Neutral], push the clutch down
halfway,
and try to start the engine. The starter should work only when the c1.utch.i~ pushed
down d the way to the floor. If the .starter works when the clutch isn't pushed all the way
down, your vehicle needs service.
3. On aummtic transmission vehicles, try to start the engine in ea& gi%i&. The startejc should

Downloaded from www.Manualslib.com manuals search engine 0
CHECK-
I OR SERVICE
Parking Brake
and Automatic
Transmission P (Park)
Mechanism Check
Underbody
Flu&ing
WHAT TO DO
While parked, and with the parking brake set, try to mrn the key to Lack in each shift lever
position,
With an automatic transmission, the key should turn to Lock only when the shift.levex is.h
With a manual transmission, the key should turn to Lock only when the shift lever is in
On vehicles with a key release button, try to turn the key to Lock without pressing -the button.
.The key should:turn to Luck only with the key button depressed. On all vehicles, the key should
come out only .in Lack. :'a
. ~ -~
P (park).
R (Reverse).
~ ~~ ~
Park on a fairly steep hill, with the vehicle facing~downhill.- Keeping your foot on the r . cI dar
brake, set the parking .brake.
To check the. parking brake: With the- engine running and transmission .in N (Neutral), slowly
-remove foot pressure from the regular-brake pedal. Do this until the vehicleiis held by the
parking brake only.
To check the P. (Park) mechanism's holding ability: Shift to P (Park). Then release all brakes.
At least every spring use distilled water to flush any cortosive materials from the underbody.
Take care to
dean thoroughly any areas where mud.and other debris can collect.

Downloaded from www.Manualslib.com manuals search engine Maintenance Schedule
Section C: Periodic Maintenance Inspections
Listed below are inspections and services which should be performed at least twice a year (for instance, each spring and fall).
You should let your- GM dealer's service department or other qualified ssvj,cg [email protected] do these j-obs. Make sure any necessary
repairs are completed
at once.
INSPECTION
OR SERVICE
Steering and
Suspension Inspection
Tire and Wheel
Inspection
Exhaust System
Inspection
~-
Rear Axle Service
Brake System
Inspection
WHAT SHOULD BE DOME
Inspect. the front and rear susp-ension and steering system for damaged, loose or missing parts,
signs of wear, or lack of lubrication. Inspect the power steering lines and hoses. for proper
hookup,
bindmg-, leaks, cracks, chafing, etc.
Inspect the tires for uneven wear or damage. If there is irregular or premature wear, check the
wheel alignment. Inspect for damaged wheels.
Inspect the complete exhaust system. Inspect the
body neat the exhaust system. Look for broken,
damaged, missing or out-of-position parts as well as open seams, holes, loose connections, or
other conditions which could cause a heat buildup in the floor pan or could let exhaust fumes
into the- vehicle.
See the Index under Engine Exhaust.
Check:the gear lubricant leve1.h the rear axle and add if needed. See the Index: under Rear Axle.
A fluid loss in this system;may indicate a problem. Check the system and repair it if needed.
Inspect the complete system. Inspect brake lines and
hoses for proper hookup, binding, leaks,
cracks, chafing, etc. Inspect disc brake pads for wear and rotors for surface condition. Inspect
-other brake parts, .hcluding calipers, parking brake, etc. Check parking brake adju\
stment. You
may need
to have your brakes inspected more often if your driving habits or conditions result in
frequent braking.
NOTE:. A low brake fluid level can indicate worn disc brake pads which may need to be
serviced.
Also, if 'the brake system warning light stays on or comes on, something may be wrong
with .the brake system. See the Index under Brake System Warning Light. 'If your anti-lock brake
systemwarning light stays on, comes on or flashes, something may be wrong with the anti-lock
brake system. See the Index under Anti-Lock Brake System Warning Light.