brake CHEVROLET CORVETTE 1993 4.G Workshop Manual

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fluids & Lubricants
lTEM
Antifreeze
Coo kt ...................................
GM Engine Coolant Supplement ............
(Ethylene Glyc.01 Base)
(LT1 Only)
(Grease Gun Insert)
chassis Lubricant ....................................
Delco Supreme ll@ Brake Fhid .............
DEXROW-IIE Automatic
Transmission Fluid ...............................
C-orvette Manual Transmission Fluid
GM Hydraulic Fluid ................................
Engine OiI .................................................
SAE 5 W-3 0 .............................................
APPLEATION GM PART NUMBER
Year-round antifreeze €or ...........................
Cooling System.. .........................................
coolant mixtures
General chassis lube, etc .............................
Brake System.. . .............................................
Automatic Transmission ............................
1052753
3634621
IO524 .
1052535
12545880
12345881
SIZE
1 gal. (3.7'85 'L)
6 pellets
14 oz. (39:
16 oz. (0.473 L)
16 oz. ('0.473 L)
32 oz. (.0.946 L)
Mmud , ..- T~smi~Sio~ .... +.... .........................
Chtch-Master Cyfiniier ..............................
Engine .........................................................
105293 1
1.2345347 32
oz. (0.946 L)
16 02. (0.473 L)
See the Index under Engine Oil.
317

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Section A: Scheduled Maintenance Services (cant.)
€xplanation of Scheduled Maintenance Services
Below are explanations of the services listedh Schedule I
and Schedule 11.
ITEM
NO. SERVICE
1 Engine OiI and Filter .Change*-Use -only API
Service SG Energy Conserving II oils of the proper
viscpsity.
To determine the preferred viscosity for
your vehicle'-s engine, see the Index under Engine
Oil. The engine requires a special oil rneethg-GM
Standard GM4718M. Oils meeting-this Standard
may be identgied. as synthetic, and should also be
ifientified as APT .Sc?rvice SG. However, not all
Synthetic
API Service SG oils will meet this GM
Standard. You should look for and use only an.oi1.
that. meets GM, Standard GM47-18M.
Your- vehicle has an Engine Oil Life Monitor. This
monitor will show you when to change the oil. See
the Index under Engine Oil Life Monitor.
The proper fluids and lubricants to use are listed in Section
D, Make sure whoever services. your vehicle uses these. All
parts should be replaced and .all necessary repairs done
before you or anyone else drives the vehicle.
ITEM
NO.
2
3
SERVICE
Chassis Lubrication-Lubricate- the transmission
shift
.linkage, parkhg brake cable guides,
underbody contact points and linkage. Lubricate
the front sus.pension.
Engine
A~ctxsory Drive Beit In'spectim-.Inspect
the bekfor-cixxlcs, fraying, wear and proper
tension. Replace as -needed.
.. -NOTE: .To determine your engine's dispta6mmt and code, see the Index under Eagine Identification.
* An Emission Cpntrol Service.
-i? The US. Environmental ProteGtion Agency has. &ermined that the. failure to perform this maintenance item will not nullify the ewsii;sion
warranty
or limit recallliabilfty priorto ;he completion .of vehicle useful life. Geizel-a1 Motors, however, urgs that a12 recmimended
mairztenanceseruices
be:performed at the indicated intervals and the-maintenance be recorded in Section E: Maintenance Record.
330

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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

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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.

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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.

Downloaded from www.Manualslib.com manuals search engine 1993 CHEVROLET SERWCE PUBLICATIONS ORDERING INFORMATION
The foilwing publications covering the operation and servicing of pur vehicle- can be purchased by filling out the Sewice Publications Order Form
in this book and mailing it with- mur check, moiley OM& or credit card ififormatioil to Helm, Incorporated (address listed below).
PRODUCT SERVICE PUBLICATIONS
Product Service Publi.cations(PSP's), are.buftetins, lettersand a\
rticles
published for traihed dealer service personnel.
See Service Public&
tions listed previously in
this section.
A cumulative index is published quarterly during the current miodel
year. The indexes list all PSP's published-by Chevrolet in the model year.
PSP lndex
Year Form Number Price
199.3 PSPI-93 ............................... Free
1992 PSPI-92 ............................... Free
1991 PSPI-91 ............................... Free
t990 PSPI-90 ................... ~. .......... Free
NOTE: Form Numbers for individual Product Service Publications may
be-found
in the PSP index; Prices are $4.00 for the first PSP and $2.00
for each additional PSP on the Same order.
PSP Bound Bulletin Book (Comple?e,'Vear Bulletiins)
Year Description Form Number Price
1991 All PSP'S .................... PSP-91-4 40.00
1090 All PSP'S .................... PSP-90-4 40.00
For subscription information call Helm, Incorporated.
SERVtCE MANUALS
Service Manuals have the diagnosis, repair and overhaul information
on engines, transmission, axle, suspension, brakes, electrical, steer-
ing, body,
etc.
Model Form Number Price
1993 Chevrolet
Corvette .............. ST-364-93 $43.00.
'Please specify special body or engine types on order form. Write
information in
the Form Number column. For example: Turbo,
Convertible.
OWNER'S41NFORMATIOM
Owner publications are written directly for ownersand intended to pro-
vide basic operational information about the vehicie.
1993 Chevrotet Corvette Owner's Manual
tn Portfolio: lncludes~htfolio, Owner's Manuar'and Mrranty Bookfet,
1993 Chevrolet Corvette- ln-Portfolio ..... .16161'892 $60.00-
(Not including ZR1)
3993 Chevrolet CorvettaZRI in-Portfolio . .1016f894 $70.00
Without Portfoiio: Includes Owner's Manuab
1993 Chevrolet Corvette Without Portfolio .lo193590 $20.00
~ ~ ~ ~ ~~~~~~~________~____
CURRENT & PAST MODEL ORDER FORMS Address all inquiries to: HELM, INCORPORATED
Service Publications are. available for current and past model Chevrolet PO. Box On30
vehicles. To rsquest an order form, please specify year .and model Detrbit,
MI 48207
name of vehicle. Credit Card Orders ONLY 1-800-782-4356
For information and inquiries call: (313) 883-1430

Downloaded from www.Manualslib.com manuals search engine 1-
-
ABS Active Light ........................... 117
ABS Service Light ........................... 117
ABS Light ......................................... 117
Acceleration Slip Regu’laticin
(ASR) System .......................... 89,. 175
Accessory Wiring . Plug .................... 147
Action Center, Corvette ................... 343
Adding
Brake Fluid
.......... ........... ............ . 27 1
Electrical Equipment ...... 65, 146, 304
Engine Coolant ..... 216, 262,311,3.27
Engine Oil ............................... 250, 31 1
Hydraulic Clatch Fluid’ ......... 260, 3 17
Power Steeting Fluid ............ 269, 318
Rear Axle Fluid ..................... 262, 318
Sound Equipment ........................... 146
Transmission Fluids. ..... 25.9,260, 317
Windshield Washer
Fluid ............................... 84, 269, 3 17
Air .Bag (see Supplemental Inflatable
AirCieaner Filter ..................... 254, 312
.Air Conditioner ....................... 136., ‘142
Alcohol, .Driving Under thi Influence
of ..................................................... 169
Restraint)
Alcohol in Gasoline ......................... 242
Aluminum Wheels
Cleaning
................................ 296. 301
Antenna, Power ............................... 161
Antifreeze ......... 216, 262, 263, 311., 317
Anti-Lock Br.& e
Removing ....................................... 228
System (ABS) ....................... 117? 1-73
Anti-Lock Brake System Light ........ 117
Ashtray and Lighters .......................... 96
ASR Off Light .............................. .... 116
ASR System ................................. 89, 175
Cassette Playek ........................... 149
Music System) ............................ 152
Music System) ............................ 155
Appearance Care .............................. 289
ASR Active Light ............................. 115
Audio Systems ................................. 146
AM/FM Stereo with
.AM/F M. Stereo-with
Cassette Player
(Delco-Base@
AM/FM Stereo with CassetteKD
Player (Delco-Bose*
Care of Audio Systems ................. 160
-Radio Reception. For the Best ...... 159
Setting.the Clock ............................ I48
Automatic Electroriic Climate
Aptomatic
Transmission
Control ........................................... 140
Adding Fluid ................................. 259
Axle, Rea Liniited-Slip ....................... 76
Checking Fluid ................................. 2.56
Shifting., ....................................... 67, 78
&ry ..................................... 205, 272
Jump Starting ..........................?........ 205
Warnings .......................... 205, 206, 272
Battery Warning . Gage ..................... 105
Battery Warning Light ....................... 118
Blizzard ............ ..i.. ........................... 200
Block Heater, Engine ......................... 66
“Blowout, ” Tire .................................. 224
Brake AdjustmenL
..................................... 178
Fluid ...................................... 270, 317
Master Cylinder ............................ 270
Parking ............................................. 77
Pedal Travel .................................... 178
Warning Light .................................. 106
Wear Indicators .............................. 177
351 I..
.

Downloaded from www.Manualslib.com manuals search engine Brake System Warning Light .......... 106
Brakes, Anti-Lock ........................... 173
Active Light .................................... 117
Service Light ................................. 117
Braking ............................................. 172
Braking Emergencies ....................... 178
. Anti-Lo.ck Brake System .............. ‘173
Braking Technique ........................... I32
“Break-In, ” New Vehicle .................... 59
Bu&ling Up (see Safe@ Belts)
Bulb ‘Replacement
Back-up Light ................................ 277
Center High-Momte-d
Cornering Lights. ........................... 277
Fog Light ....................in................. 275
‘Rear Cargo Light ........................... 278
Side Marker Lights ....................... 277
Taillight ............................................. 2%
.Turn Signals, Front and Rear ....... 276
Bulbs, Replacement .......................... 514
Cpcities and Specifications ........ 389
Carbon Monoxide in
Exhaust ........................ 59, 79, 80, 2
stop Light ............................. 278: 279
Headlight ........................................ 273
158
Cassette Tape Player
Center
Storage Console ....................... 95
Central Control Module ..................... 120
Chains,
Tire ............................. 236, 288
Changing a .Flat .Tire ........................ 225
Charging System Light ..................... 118
Check . Gauges Light ........................ 108
Checking
Brake Fluid .................................... 270
Engine Coolant ............................... 262
(see Audio Systems)
h@e Oil Level .................... 249, 250
Power Steering Fluid ..................... 269
Rear Axle Fluid .............................. 261
Safety Belt Systems ................... ...,.. 37
Transmission Fluids ...... 257,258, 259
Under the Hood .............................. 245
Ch~d Paint Spotting .................... 303
CMd Restraints .................................. 33
CWhn and Safety Belts ............. 32, 36
Cigarette Lighter ................................. 96
Cinch Fawe .................................... 24
Circuit Breakers & Fuses ................. 305
city, Driving ..................................... 190
Checking Things
8
Cleaner. Air ..................................... 254
Aluminum Wheels ................ 296. 301
Carpet ............................................ 292
Cassette Player
.............................. 160
Compact Discs .............................. 160
Convertible
. Rear Window ....................... 125, 298
Top ............................................... 297
“Dulso”’-Coated Molding ............... 294
~ngine .............................................. 301
Fabric .............................................. 290
Fibeiglass Springs ........................ 303
Finis3l ................................................ .OO
Foreign Material .............................. 302
Glass .............................................. 295-
.Hardtop ......................................... 300
hide of Your Corvette ................. 2510
Instrument Panel .......................... 294
Leather or Vinyl ............................ 293
Outside of Your Corvette .............. 296.
Power Antenna .............................. 161
Removable Roof Panels ................. 297
%oft Touch” Surfaces .................... 293
Special Problems ........................... 292
Cleaning
Safety Belts
.................................... 295

Downloaded from www.Manualslib.com manuals search engine Index
...
'Emergencies. Braking ....................... 178
Emergencies. Steering in ................. 180
Emergency Starting .......................... 205
Emergencies on the Road ................. 203
Emergency Towing .......................... 208
Engine Block Heater ......................... 66
Engine
Engine Coolant Temperature
Gage ............................................... 106
Engine Cooling System .................... 262
Engine Exhaust ..................... 79, 80, 200
Coolant .......... 216, 262, 263, 311, 317
Engine Identification ......................... 304
Engine Oil ........................................ 249
Capacity .......................................... 3 1 f
Energy Conserving ......................... 252
Low Oil Light ................................. I X8
Additives ....................................... 253
Checking 81 Adding .............. 249. 250
Disposing of Used Oil .................... 254
Pressure Gage ............................... 103
Substitute ........................................ 253
Temperature Gage ......................... 104
When to Change ............................. 253
Engine Oil Life Monitor .................. 109
Engine Overheating ......................... 213
160
Engine Power Curves ....................... 319
Engine Power Key ............................. 56
Engine Power Switch ........................ 74
Engine Specifications ....................... 313
Engine, starting
Automatic Transmission ................. 63
Manual Transmission ..................... 65
Ethanol in Gasoline .......................... 242
Exhaust
Dangerous Gas in ....... 59, 79,80, 200
Parking with the.Engine
Expectant Mothers, Use of
Expressway Driving ......................... 191
Extender, Safety Belt .......................... 37
Exterior Appearance
Running ............................ 67, 78, 80
.Safety Belts ...................................... 31
(see Appearance Care)
Rbric cleaning
(see Appearance Care)
Fabric Protection ............................. 291
Fan Warnings ........... 206, 207, 215, 246
Fiberglass Springs ............................ 303
Filliig the Fuel Tank ....................... 244
Filter
Air Cleaner ............................. 254, 312
Oil ........................................... 253, 312
Finish. Damage ................................... 302
Flashers, Hazard
Warning ......................................... 204
Flat Tire ............................................ 224
Storing a .Flat-& cept ZR-l .......... 233
StoMg a .Flat-Z R-1 ..................... 234
Flooded Engine ............................ 62, . 64
System ............................................ 145
Capacities ....................................... 311
Hydraulic Clutch ............................. 260
Power Steering .............................. -269
Rear Axle ................................ 261, 318
Windshield Washer .......... 84,269, 318
plow-Through Ventilation
Pluid
Brake ..................................... 270, 317
Transmission ................. 256, 311, 317
Fluids & Lubricants ........................ 317
Fog, Driving in ................................ 189
Fog Light Bulb Replacement ... 275, 314
Freeway Driving ............................... 191
Fog Lights ............................................ 92

Downloaded from www.Manualslib.com manuals search engine Index
111. 3
Theft Deterrent . System ...................... 53
Themostat ........................................ 268
Throttle Cable Adjusters ................... 256
Tilt Steering wheel.. ............................ 8 1.
Time, Setting the ............................. 148
Tires .................................................. 281
‘fBlow Out” ....................!............... 224
Buying New ..................................... 284
Chains ................................... 236, 288
Flat, Changing .............................. 225 .
Idition .......................................... 282
Inspection ....................................... 284
Loading .......................................... 280
Low Pressure Warning Light ........... 113
Pressure ......................................... 282
Quality Grading ............................. 285
Rotation ......................................... 283
Spare, Compact ............................ 236
Special Wheel Nut Socket- ............. 226
Storing a Flat .......................... 233, 234
Wear Indicators ............................. 284
Wheel Alignment & Tire Bal an= ... 287
Wheel LO& Key .................... 226, 233’
Wheel Replacement ...................... 287
‘when to Replace Wheels .............. 287
Winter Driving ............................... 198
166
Torque Lock ..................................... 198
Towing a Trailer ............................... 201
‘Towing Your Corvette ...................... 208
Traf€ic Lights ................................... 166
.Transmission, Automatic ............ 67, 78
Transmission, Manual ................. 70, 79
Trip Monitor ..................................... 11 0
ENG MET ..................................... 111
FUEL INFO ................................... 11 0
Gauge ............................................. 111
Trip Odo ........................................ 111
Trip Reset ....................................... 11 1
Trip Odometer ................................. 11 1
Twn and Lane Change Indicator ..... 82
Turn SignaVHeadlight Beam Lever .... 82
Acceleration Slip Regulation
Button
............................................ 89
Cruise Control .................................. 84
Headlight High-Low Beam
Changer ............................... .‘91
Turn & Lane Change Indicator ...... 82
Turn Signal Indicator ..................... 82
Turn Signal Replacement
Front
............................................ 276
Rear ............................................. 276
Windshield-Washer ........................... 83
Windshield Wipers .......................... 83
Turn Signal Indicator ........................ 82
Underhood Engine Lights -and
Fuse ........................................ 249, 309
Universal The8 Deterrent ................... 53
Unleaded Gasoline .......................... 241
Upholstery Care ............................... 290
Urban Driving .................................. 190
‘Vehicle Identification Number
(V~) .............................................. 303
Vehicle Loading ............................ .- ... 280
Vehicle Storage ................................ 272
Ventilation ........................ 137, 143, 1.45
VIN ................................................... 303
Visor Vanity Mirrors ......................... 94
Voltmeter .......................................... 105
wming Flashers. Hazard ........... 204
Warning. Lights
Anti-Lock Brake
System ............... 117
ASR System .......... .......................... 115