1990
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Service Bulletin Number: 90-92-10
Bulletin Sequence Number: 090
Date of Bulletin: 8911
NHTSA Item Number: SB010926
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: INTERIOR SYSTEMS
Summary: LOOSE CARPET ON SIDE WALL TRIM PADS-CARPETS INSERTS ATTACHED TO SIDE WALL, DOOR, QUARTER & TAILGATE TRIM PANELS WHICH HAVE BECOME LOOSE MAY BE REATTACHED WITH 3M GENERAL TRIM ADHESHIVE #08080-ALL 1980-90 CHEVROLET A,B,F,J,L,W,X & Y CARS GM

 

Service Bulletin Number: 90-101-1A
Bulletin Sequence Number: 094
Date of Bulletin: 8912
NHTSA Item Number: SB010930
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: AIR CONDITIONER
Summary: LOSS OF HEATING OR COOLING CONTROL-TEMPERATURE OF AIR COMING FROM HVAC CANNOT BE CHANGED-CODE 01 OR 02 MAY SET IN HVAC CONTROL HEAD-SECONDARY CONDITION OF FALSE TROUBLE CODES BEING SET IN ECM OR CCM MAY ALSO PRESENT-IF COURTESY OR RADIO FUSE WHICH SUPPLIES POWER TO A/C CONTROL SYSTEM, INSTALLED WITH IGNITION KEY IN ON PO SITION, AUTOMATIC A/C CONTROL SYSTEM LOSE ITS CALIBRATION-INSTALLATION OF ANY FU SE SHOULD ALWAYS BE DONE W/IGNITION KEY IN OFF POSITION-ALL 1990 CHEVROLET Y CAR WITH ELECTRONIC A/C OPTION GM

 

Service Bulletin Number: 90C07
Bulletin Sequence Number: 002
Date of Bulletin: 9001
NHTSA Item Number: SB011613
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ELECTRICAL SYSTEM:WIRING:HARNESS:UNDER DASH
Summary: PRODUCT CAMPAIGN 90C07-INSTRUMENTAL PANEL WIRE ABRASION CAUSED BY WIRE RUBBING O N HOOD RELEASE CABLE BRACKET-IF THIS CONDITION CONTINUES INSTRUMENT PANEL WIRING MAY WEAR THROUGH ITS COVERING CAUSING SHORT IN SYSTEM AND INOPERABLE ENGINE-TO P REVENT THIS DEALERS SOULD APPLY 3M BRAND ELECTRICAL MOISTURE SEALANT TAPE TO INS TRUMENT PANEL WIRING & HOOD RELEASE CABLE BRACKET-ALL 1990 CHEVY CORVETTES DG

 

Service Bulletin Number: 90C09
Bulletin Sequence Number: 003
Date of Bulletin: 9001
NHTSA Item Number: SB011614
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: EMERGENCY PARKING BRAKE:MECHANICAL:RELEASE MECHANICAL MANUAL
Summary: PRODUCT CAMPAIGN 90C09-GM DETERMINED CERTAIN 1990 CHEVROLET CORVETTE EXHIBIT INO ERATIVE PARKING BRAKE UPON ENGAGEMENT-THIS DUE TO CABLE BUTTON PULLING THROUGH & SEPERATING FROM NYLON REEL-TO CORRECT THIS NEW PARKING BRAKE LEVER ASSEMBLY(P/N 10097695)WILL BE INSTALLED ON INVOLVED VEHICLES-ALL CHEVROLET SERVICE MANAGERS.

 

Service Bulletin Number: 90C10
Bulletin Sequence Number: 004
Date of Bulletin: 9001
NHTSA Item Number: SB011615
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: FUEL:FUEL LINES FITTINGS AND PUMP
Summary: PRODUCT SAFETY CAMPAIGN 90C10-GM DETERMINED THAT DEFECT IN CERTAIN 1990 CORVETTE W/LT5 ENGINE-FUEL FEED & RETURN LINE CONNECTORS BUILT WITH INCORRECT LINE END FL ARE REGULATION-IF LINES LEFT UNCORRECTED LINE ENDS COULD CRACK CAUSING FUEL LEAK AND POSSIBLE ENGINE COMPARTMENT FIRE-TO PREVENT THIS NEW FUEL LINES W/CORRECT EN D FLARE CONFIGURATION WILL BE INSTALLED-ALL CHEVROLET DEALER/SERVICE MANAGERS DG

 

Service Bulletin Number: 90-98-0A
Bulletin Sequence Number: 007
Date of Bulletin: 9001
NHTSA Item Number: SB011618
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ELECTRICAL SYSTEM:INSTRUMENT PANEL:CLUSTER MODULE
Summary: INFLATABLE RESTRAINT INDICATOR LAMP STAYS ON AFTER 5 SECOND(IGNITION ON)BULB CHE CK-THIS CONDITION OCCUR RIGHT AFTER VEHICLE WORKED ON FOR OTHER REASONS-IF IGNIT ION TURNED ON WHILE ANY COMPONENT OF SIR SYSTEM DISCONNECTED OR CLUSTER FUSE FEE DING INDICATOR LAMP CIRCUIT BLOWN, MALFUNCTION CODE WILL BE STORED IN DERM(DIAGN OSTIC ENERGY RESERVE MODULE)-CLEAR MALFUNCTION CODES FROM DERM USING PROCEDURE-A LL 1990 CHEVROLET CORVETTES DG

 

Service Bulletin Number: 91-09-0A
Bulletin Sequence Number: 029
Date of Bulletin: 9004
NHTSA Item Number: SB013574
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ENGINE COOLING SYSTEM
Summary: INFO REGARDING RECONSTITUTED ANTI-FREEZE COOLANT TESTING & THE USE OF REFRACTOME TER-AT PRESENT THREE TYPES OF RECYCLING SYSTEMS AVAILABLE-CHEMICAL ADDITION TO C OOLANT; FILTRATION AND ADDITION OF SUPPLEMENTAL ADDITIVES; SEPERATION OF PURE GL YCOL FROM USED & REINHIBITION-ALL CHEVROLET MODELS AND YEARS CE

 

Service Bulletin Number: 90-154-10
Bulletin Sequence Number: 052
Date of Bulletin: 9002
NHTSA Item Number: SB013863
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: INTERIOR SYSTEMS:SEATS
Summary: CUSHION RETAINING WIRE SERVICE PART-NEW REPLACEMENT PART AVAILABLE-84-90 CHEVY C ORVETTE RC

 

Service Bulletin Number: 90-156-7B
Bulletin Sequence Number: 054
Date of Bulletin: 9002
NHTSA Item Number: SB013865
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:TRANSMISSION:5 SPEED AND UP
Summary: TRANSMISSION EXANGE PROGRAM-TO GAIN FEEDBACK ON NEW ZF 6-SPEED-89-90 CHEVY CORVE TTE RC

 

Service Bulletin Number: 90-162-7A
Bulletin Sequence Number: 059
Date of Bulletin: 9002
NHTSA Item Number: SB013870
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: SUSPENSION:SINGLE AXLE:REAR
Summary: REMOVE REAR CASE BUSHING OR REAR EXTENSION BUSHING-NEW ON-VEHICLE SERVICE PROCED URE-76-90 CHEVY B, F, G, Y CARS RC

 

Service Bulletin Number: 90-166-7C
Bulletin Sequence Number: 060
Date of Bulletin: 9003
NHTSA Item Number: SB013871
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:CLUTCH ASSEMBLY
Summary: NEW LO & REVERSE CLUTCH SUPPORT SELECTIVE PLATE DIMENSIONS-ALL 90 CHEVY RC

 

Service Bulletin Number: 91-14-8A
Bulletin Sequence Number: 064
Date of Bulletin: 9004
NHTSA Item Number: SB013875
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ELECTRICAL SYSTEM:BATTERY
Summary: PARASITC DRAIN ON BATTERY-VEH MAY EXHIBIT FAILURE MODE OF A CONTROL MODULE DUE T O HIGH PARASITC CURRENT DRAIN-DIAGNOSTICS-ALL 1982-91 CHEVY RC

 

Service Bulletin Number: 90-183-10
Bulletin Sequence Number: 069
Date of Bulletin: 9003
NHTSA Item Number: SB013880
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: STRUCTURE:TRUNK LID AND DOOR ASSEMBLY
Summary: STOWAGE LID NOT FLUSH WITH REAR DECK-MAY BE CAUSED BY LACK OF ADHESIVE BETWEEN T HE STEEL INNER REINFORCEMENT AND STOWAGE COMPARTMENT LID INNER PANEL-REPAIR PROC EDURES-89-90 CHEVY CORVETTE RC

 

Service Bulletin Number: 90-223-7A
Bulletin Sequence Number: 076
Date of Bulletin: 9004
NHTSA Item Number: SB013887
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:CLUTCH ASSEMBLY
Summary: NEW LO AND REVERSE CLUTCH SUPPORT & SELECTIVE PLATE DIMENSIONS-90 CHEVY CAMARO, CORVETTE, CAPRICE RC

 

Service Bulletin Number: 90-246-6A
Bulletin Sequence Number: 091
Date of Bulletin: 9005
NHTSA Item Number: SB013902
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ENGINE
Summary: INFOR ON NEW DESIGN CYLINDER HEADS-86-90 CHEVY CAPRICE, CAMARO, CORVETTE RC

 

Service Bulletin Number: 90-248-8B
Bulletin Sequence Number: 092
Date of Bulletin: 9005
NHTSA Item Number: SB013903
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: LIGHTING AND COMMUNICATIONS SYSTEMS
Summary: UNDERHOOD LAMPS INOPERATIVE/STAYING ON-MAY BE DUE TO MERCURY SWITCH BEING PARTIA LLY OR WHOLLY DISENGAGED OR SHORTED/OPEN INTERNAL CIRCUIT-REPLACE SWITCH W/NEW P N 16503204-1984-90 CHEVY CORVETTE RC

 

Service Bulletin Number: 90-203-10
Bulletin Sequence Number: 103
Date of Bulletin: 9004
NHTSA Item Number: SB013949
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: STRUCTURE:BODY ROOF
Summary: MOUNTING BRACKET RATTLE AT REAR OF HARDTOP-CAUSED BY LOOSE HARDTOP MOUNTING BRAC KETS-SOME BRACKETS WERE MOUNT W/RIVETS THAT WERE TOO SHORT-REPAIR PROCEDURES-89/ 90 CHEVY CORVETTE CONVERTIBLE RC

 

Service Bulletin Number: 90-256-7A
Bulletin Sequence Number: 104
Date of Bulletin: 9005
NHTSA Item Number: SB013950
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:TRANSMISSION:AUTOMATIC
Summary: SERVICE REPLACEMENT TRANSMISSIONS ASSEMBLY (SRTA) PROGRAM INTRO-82-90 CHEVY W/TH M 200-4R AUTOMATIC TRANS RC

 

Service Bulletin Number: 90-189-7A
Bulletin Sequence Number: 120
Date of Bulletin: 9003
NHTSA Item Number: SB014050
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:CLUTCH ASSEMBLY
Summary: CLUTCH APPLY PLATES-MATERIAL CHANGE TO POWDERED METAL IN FRWD & 3-4 CLUTCHES-INT ERCHANGEABLE W/CURRENT STEEL PLATES-ALL 90 CHEVY RC

 

Service Bulletin Number: 90-191-7A
Bulletin Sequence Number: 121
Date of Bulletin: 9003
NHTSA Item Number: SB014051
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:CLUTCH ASSEMBLY
Summary: REVISED DRIVE LINK WEAR SPECS TO MIN NOISE-84-90 CHEVY A, J, L, T, X CARDS & 90 LUMINA & LUMINA APV W/3T40 OR 4T60 AUTOMATIC RC

 

Service Bulletin Number: 90-216-6
Bulletin Sequence Number: 126
Date of Bulletin: 9004
NHTSA Item Number: SB014056
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ENGINE
Summary: PROPER INSTALLATION OF 75MM OIL FILTER-INSTRUCTIONS-ALL 81-90 CHEVY RC

 

Service Bulletin Number: 90-340-3E
Bulletin Sequence Number: 134
Date of Bulletin: 9009
NHTSA Item Number: SB017648
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: WHEELS
Summary: SERVICE LTPWS LIGHT ON, TIRE PRESSURE MISREAD-WHEEL SENSORS NOT MANUFACTURED TO SPECS-REPLACE RC-1990 CORVETTE RC

 

Service Bulletin Number: 91-62-6B
Bulletin Sequence Number: 139
Date of Bulletin: 9008
NHTSA Item Number: SB017653
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ENGINE COOLING SYSTEM
Summary: RECOMMENDED COOLANT USAGE-ALL 88-91 CHEVY RC

 

Service Bulletin Number: 91-57-6E
Bulletin Sequence Number: 140
Date of Bulletin: 9008
NHTSA Item Number: SB017654
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: MANUFACTURER'S INFORMATION TO DEALERS
Summary: INFO ON STATE EMISSIONS TESTING-ALL 81-91 CHEVY RC

 

Service Bulletin Number: 90-306-10
Bulletin Sequence Number: 145
Date of Bulletin: 9008
NHTSA Item Number: SB017709
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: MANUFACTURER'S INFORMATION TO DEALERS
Summary: COMPETITION YELLOW PAINT-90 CHEVY CORVETTE RC

 

Service Bulletin Number: 90-308-6B
Bulletin Sequence Number: 146
Date of Bulletin: 9008
NHTSA Item Number: SB017710
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ENGINE COOLING SYSTEM
Summary: LEAKING RADIATOR HOSE -CAUSED BY TORQUE LOSS OF THE RADIATOR HOSE CLAMP-REPLACE HOSES-90 CHEVY CORVETTE RC

 

Service Bulletin Number: 90-316-5
Bulletin Sequence Number: 149
Date of Bulletin: 9008
NHTSA Item Number: SB017713
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: BRAKES:HYDRAULIC SYSTEM
Summary: CHANGE IN BRAKE EFFECTIVENESS AFTER DISC BRAKE ROTOR REFINISHING/PAD REPLACEMENT -PROPER SERVICE PROCEDURES-ALL 81-90 CHEVY RC

 

Service Bulletin Number: 90-321-3E
Bulletin Sequence Number: 151
Date of Bulletin: 9008
NHTSA Item Number: SB017715
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: WHEELS
Summary: PROCEDURES ON SCUFF REMOVAL FROMALUMINUM WHEELS-81-90 CHEVY RC

 

Service Bulletin Number: 90-327-3B
Bulletin Sequence Number: 153
Date of Bulletin: 9008
NHTSA Item Number: SB017717
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: STEERING:WHEEL AND COLUMN
Summary: CLICKING NOISE WHEN STEERING WHEEL TURNED-CAUSED BY MISSING OR BROKEN COIL THAT HOLDS AIRBAG CENTERED DURING INSTALLATION-DOES NOT AFFECT AIRBAG OPERATION-CORRE CTIVE PROCEDURE-90 CHEVY CORVETTE RC

 

Service Bulletin Number: 90-360-9A
Bulletin Sequence Number: 173
Date of Bulletin: 9010
NHTSA Item Number: SB017836
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: EQUIPMENT:ELECTRIC EQUIPMENT:RADIO:TAPE DECK ETC.
Summary: RADIO MAY LOOSE SOME FUNCTIONS-90 CHEVY CORVETTE RC

 

Service Bulletin Number: 91-85-8A
Bulletin Sequence Number: 179
Date of Bulletin: 9010
NHTSA Item Number: SB017842
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ELECTRICAL SYSTEM:IGNITION
Summary: PROCEDURE FOR CHECKING CONNECTOR TERMINAL CONTACT-DIAGNOSTICS-82-91 CHEVY RC

 

Service Bulletin Number: 90-291-10
Bulletin Sequence Number: 187
Date of Bulletin: 9007
NHTSA Item Number: SB017911
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: INTERIOR SYSTEMS:PASSIVE RESTRAINTS
Summary: SEAT BELT EXTENDER-PART ANNOUNCEMENT-89-90 CHEVY CORVETTE RC

 

Service Bulletin Number: 90-292-6E
Bulletin Sequence Number: 188
Date of Bulletin: 9007
NHTSA Item Number: SB017912
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: INTERIOR SYSTEMS:INSTRUMENTS AND INSTRUMENT PANEL
Summary: REVISED ODOMETER RECALIBRATION PROCEDURE-90 CHEVY CORVETTE RC

 

Service Bulletin Number: 90-293-5
Bulletin Sequence Number: 189
Date of Bulletin: 9007
NHTSA Item Number: SB017913
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: BRAKES:HYDRAULIC SYSTEM
Summary: BRAKE ROTOR POOR FINISH AND/OR HARD BRAKE PEDAL FEEL AFTER REFINISH-DUE TO USING NONM-ORIGINAL CUTTING TIPS-ONLY ORIGINALS SHOULD BE USED-81-90 CHEVY RC

 

Service Bulletin Number: 90-365-3E
Bulletin Sequence Number: 198
Date of Bulletin: 9010
NHTSA Item Number: SB017922
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ELECTRICAL SYSTEM:IGNITION
Summary: SERVICE LTPWS LIGHT ON INDICATING LOW TIRE PRESSURE, BUT PRESSURE OK-SENSORS MAN UFACTURED INCORRECTLY-REPLACE-90 CHEVY CORVETTE RC

 

Service Bulletin Number: 90-372-7A
Bulletin Sequence Number: 200
Date of Bulletin: 9010
NHTSA Item Number: SB017924
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN
Summary: SERVICE REPLACEMENT TRANS ASSEMBLY MODEL UPDATE-82-90 CHEVY RC

 

Service Bulletin Number: 90-375-10
Bulletin Sequence Number: 202
Date of Bulletin: 9011
NHTSA Item Number: SB017926
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: STRUCTURE:DOOR ASSEMBLY
Summary: INFO ON DOOR LOCK SYSTEM COMPONENTS AND REPLACEMENT COMPONENETS-90 CHEVY CORVETT E-RC

 

Service Bulletin Number: 90-378-1A
Bulletin Sequence Number: 203
Date of Bulletin: 9011
NHTSA Item Number: SB017927
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: HEATER:DEFROSTER:DEFOGGER AND VENTILATION
Summary: LOSS OF HEATING OR COOLING CONTROL-AIR MIX DOOR OF HVAC SYSTEM WILL NOT MOVE OUT OF FULL HOT OR FULL COLD POSITION-CORRECTIVE PROCEDURE-90 CHEVY CORVETTE RC

 

Service Bulletin Number: 91-112-7A
Bulletin Sequence Number: 225
Date of Bulletin: 9011
NHTSA Item Number: SB017949
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:CLUTCH ASSEMBLY
Summary: NEW 3-4 CLUTCH PLATES-DESCRIPTION-87-91 CHEVY RC

 

Service Bulletin Number: 90-376-3B
Bulletin Sequence Number: 231
Date of Bulletin: 9011
NHTSA Item Number: SB021865
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: STEERING:POWER ASSIST
Summary: POWER STEERING MOAN CAUSED BY STEERING PUMP PRESSURE PULSES AND ENG FIRING FREQU ENCY TRANSMITTED THROUGH BODY-88-90 CORVETTE RC

 

Service Bulletin Number: 90-389-3E
Bulletin Sequence Number: 235
Date of Bulletin: 9012
NHTSA Item Number: SB021869
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: LIGHTING AND COMMUNICATIONS SYSTEMS
Summary: FALSE LOW TIRE PRESSURE LIGHTS-FAULTY TRANSISTOR-90 CORVETTE RC

 

Service Bulletin Number: 91-35-3E
Bulletin Sequence Number: 238
Date of Bulletin: 9008
NHTSA Item Number: SB021872
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: WHEELS
Summary: WHEEL WEIGHTS FOR ALUMINUM WHEELS-85-91 CHEVY RC

 

Service Bulletin Number: 91-126-8E
Bulletin Sequence Number: 244
Date of Bulletin: 9011
NHTSA Item Number: SB021878
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: VISUAL SYSTEMS:WINDSHIELD WIPER AND WASHER
Summary: CHATTERING WIPER BLADES-CLEANING PROCEDURES-ALL CHEVY & TRUCK RC

 

Service Bulletin Number: 91-133-5
Bulletin Sequence Number: 246
Date of Bulletin: 9012
NHTSA Item Number: SB021880
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: BRAKES:HYDRAULIC SYSTEM
Summary: CHANGE IN EFFECTIVENESS AFTER DISC BRAKE ROTOR REFINISH/PAD REPLACEMENT-DUE TO N EW MATERIALS-ALL CHEVY & TRUCK RC

 

Service Bulletin Number: 91-186-7A
Bulletin Sequence Number: 017
Date of Bulletin: 9102
NHTSA Item Number: SB022068
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:CLUTCH ASSEMBLY
Summary: LOW/REVERSE CLUTCH FAILURE CAUSED BY CASE CASTING FLASH INTERFERING W/CLUTCH PLA TE TRAVEL-87-91 CHEVY AND TRUCK RC

 

Service Bulletin Number: 91-204-3B
Bulletin Sequence Number: 025
Date of Bulletin: 9102
NHTSA Item Number: SB022076
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: STEERING:WHEEL AND COLUMN
Summary: PROPER INSTALLATION OF SIR COIL ASSEMBLY-89-91 CHEVY RC

 

Service Bulletin Number: 91-208-3B
Bulletin Sequence Number: 027
Date of Bulletin: 9102
NHTSA Item Number: SB022078
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: STEERING:POWER ASSIST
Summary: REDUCED POWER STEERING ASSIST AT LOW AMBIENT TEMPS-< 10 DEGRESS F-STEERING FLUID THICKENS-NEW LOW TEMP FLUID DEVELOPED-ALL 80-91 CHEVY RC

 

Service Bulletin Number: 91-123-6D
Bulletin Sequence Number: 028
Date of Bulletin: 9102
NHTSA Item Number: SB022079
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ELECTRICAL SYSTEM:BATTERY
Summary: DEAD BATTERY DUE TO EXCESSIVE CURRENT DRAW-NEW PARASITIC DRAW TEST-ALL 80-91 CHE VY RC

 

Service Bulletin Number: 91-229-9A
Bulletin Sequence Number: 81
Date of Bulletin: 9103
NHTSA Item Number: SB022088
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: EQUIPMENT:ELECTRIC EQUIPMENT:RADIO:TAPE DECK ETC.
Summary: RADIO LOOSES SOME FUNCTIONS RC

 

Service Bulletin Number: 91-231-6D
Bulletin Sequence Number: 038
Date of Bulletin: 9103
NHTSA Item Number: SB022089
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ELECTRICAL SYSTEM:IGNITION
Summary: NO START-PAINT BUILD UP ON STARTER-88-91 CORVETTE RC

 

Service Bulletin Number: 91-251-0B
Bulletin Sequence Number: 80
Date of Bulletin: 9103
NHTSA Item Number: SB024280
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ELECTRICAL SYSTEM:IGNITION
Summary: PAINT ETCHING/STAINING BC

 

Service Bulletin Number: 90-410-8E
Bulletin Sequence Number: 054
Date of Bulletin: 9103
NHTSA Item Number: SB024287
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: VISUAL SYSTEMS:WINDSHIELD WIPER AND WASHER
Summary: WIPER MOTOR STARTS IN HIGH SPEED ONLY-BURRS ON INTERNAL MOTOR PARK LATCH PREVENT THE NECESSARY MOVEMENT OF THE LATCH FOR A NORMAL LOW SPEED START BC

 

Service Bulletin Number: 91-241-5
Bulletin Sequence Number: 058
Date of Bulletin: 9103
NHTSA Item Number: SB025662
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: BRAKES:HYDRAULIC:ANTI-SKID SYSTEM
Summary: ABS NOISE SELF TEST-1986 TO 1991 CORVETTE AND 1989-91 CAPRICE DG

 

Service Bulletin Number: 90-416-8E
Bulletin Sequence Number: 064
Date of Bulletin: 9104
NHTSA Item Number: SB026265
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: VISUAL SYSTEMS:WINDSHIELD WIPER:MOTOR
Summary: WIPER MOTOR STARTS IN HIGH SPEED ONLY, BURRS ON INTERNAL MOTOR PARK LATCH PREVEN T NECESSARY MOVEMENT OF LATCH NORMAL LOW SPEED START-INSTALL PARK SWITCH IN WIPE R MOTOR-1989/90 CELEBRITY/CAMARO/CORSICA/BERETTA/CORVETTE AND LUMINA CM

 

Service Bulletin Number: 91-280-6E
Bulletin Sequence Number: 065
Date of Bulletin: 9104
NHTSA Item Number: SB026266
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: FUEL:FUEL INJECTION SYSTEM
Summary: MULTEC PORT FUEL INJECTORS/CLEANING-1986/91 CAMARO/CAVALIER/CORVETTE, 1986/90 CE LEBRITY, 1987/91 CORSICA AND BERETTA AND 1990/91 LUMINA CM

 

Service Bulletin Number: 91-283-7A
Bulletin Sequence Number: 069
Date of Bulletin: 9104
NHTSA Item Number: SB026270
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:TRANSMISSION:AUTOMATIC
Summary: BINDING OR INOPERATIVE IN REVERSE-STUCK 4-3 SEQUENCE VALVE AND/OR 2-3 SHIFT VALV E, TO CORRECT VALVE BODY MUST BE COMPLETELY DISASSEMBLED AND RECONDITIONED ACCOR DING TO PROCEDURES-1982-91 CHEVY CARS W/ 700R4 AUTO TRANSMISSIONS CM

 

Service Bulletin Number: 90-420-8E
Bulletin Sequence Number: 081
Date of Bulletin: 9105
NHTSA Item Number: SB027116
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: VISUAL SYSTEMS:GLASS
Summary: WIPER MOTOR STARTS IN HIGH SPEED ONLY-1989/90 CELEBRITY/CAMARO/CORSICA/BERETTA/L LUMINA/CORVETTE LW

 

Service Bulletin Number: 90-423-9A
Bulletin Sequence Number: 082
Date of Bulletin: 9105
NHTSA Item Number: SB027117
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: EQUIPMENT:ELECTRIC POWER ACCESSORIES
Summary: POWER ANTENNA MAY NOT RETRACT-1989/90 CAMARO & CORVETTE LW

 

Service Bulletin Number: 91-312-6E
Bulletin Sequence Number: 095
Date of Bulletin: 9105
NHTSA Item Number: SB027130
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: FUEL:FUEL INJECTION SYSTEM
Summary: MULTEC PORT FUEL INJECTORS/CLEANING-1986-90 CELEBRITY, 1986-91 CAMARO/CAVALIER/ CORVETTE, 1987-91 CORSICA/BERETTA, AND 1990/91 LUMINA/STORM LW

 

Service Bulletin Number: 91-321-3B
Bulletin Sequence Number: 098
Date of Bulletin: 9105
NHTSA Item Number: SB027133
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: STEERING:WHEEL AND COLUMN
Summary: STEERING WHEEL REMOVAL-1990/91 CORVETTE LW

 

Service Bulletin Number: 90-412-10
Bulletin Sequence Number: 115
Date of Bulletin: 9103
NHTSA Item Number: SB027341
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: EQUIPMENT:ELECTRIC POWER ACCESSORIES:SEATS
Summary: POWER SEAT INOPERATIVE AND/OR BLOWS FUSE-SEAT CONTROL SWITCH WIRE HARNESS MAY BE SHORTED AT GEARNUT SUPPORT BRACKET-REPAIR AND/OR REPLACE HARNESS AS REQUIRED-198 4-1990 CORVETTES LW

 

Service Bulletin Number: 91-371-7A
Bulletin Sequence Number: 126
Date of Bulletin: 9107
NHTSA Item Number: SB028103
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:TRANSMISSION:AUTOMATIC
Summary: TRANSMISSION STUCK IN FIRST GEAR-INSTALL NEW RETAINING RING, BE CAREFUL NOT TO OVER EXPAND THE RETAINING RING-1982 TO 1991 CHEVY CAPRICE/CAMARO & CORVETTES DG

 

Service Bulletin Number: 91-384-6E
Bulletin Sequence Number: 132
Date of Bulletin: 9108
NHTSA Item Number: SB028104
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ELECTRICAL SYSTEM:IGNITION:ELECTRONIC CONTROL UNIT
Summary: DAMAGED ECM/PCM AND/OR MIS-DIAGNOSED ECM/PCM SYMPTOMS DUE TO INCORRECT "TAP-TEST ING" PROCEDURES-ALL 1982 TO 1991 CHEVROLET CARS DG

 

Service Bulletin Number: 91-372-7A
Bulletin Sequence Number: 127
Date of Bulletin: 9107
NHTSA Item Number: SB028112
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:TRANSMISSION:AUTOMATIC
Summary: 3-2 COASTDOWN CLUNK-MOST NOTICEABLE IN D3 RANGE-NEW 2-4 SERVO CUSHION ASSIST SPR ING/SPACER PLATE RELEASED TO CORRECT THIS CONDITION-1990/91 CORVETTE DG

 

Service Bulletin Number: 91-337-6D
Bulletin Sequence Number: 135
Date of Bulletin: 9105
NHTSA Item Number: SB028297
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ELECTRICAL SYSTEM
Summary: INTERMITTENT ELECTRICAL CONDITIONS, VERY DIFFICULT TO DIAGNOSE-OFTEN RELATED TO ENGINE ELECTRICAL OPERATION-1990/91 CHEVROLET CORVETTE W/5.7L ENGINE DG

 

Service Bulletin Number: 91-343-9A
Bulletin Sequence Number: 137
Date of Bulletin: 9106
NHTSA Item Number: SB028299
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: EQUIPMENT:ELECTRIC EQUIPMENT:RADIO:TAPE DECK ETC.
Summary: INTERMITTENT RADIO CONDITIONS-HARNESS TO RADIO MAY BE KINKED OR BENT DURING INST ALLATION-1990/91 CORVETTE DG

 

Service Bulletin Number: 91-390-7A
Bulletin Sequence Number: 142
Date of Bulletin: 9108
NHTSA Item Number: SB028529
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:TRANSMISSION:AUTOMATIC
Summary: NEW OUTPUT SHAFTS & INPUT HOUSING TO OUTPUT SHAFT SEAL-1982 TO 1991 CAPRICE, CAM ARO AND CORVETTES DG

 

Service Bulletin Number: 91-396-7A
Bulletin Sequence Number: 143
Date of Bulletin: 9108
NHTSA Item Number: SB028530
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:TRANSMISSION:AUTOMATIC
Summary: EVALUATING PEENED SPACER PLATES-1982 TO 1991 CHEVROLET CARS WITH A/T DG

 

Service Bulletin Number: 92-35-1D
Bulletin Sequence Number: 176
Date of Bulletin: 9111
NHTSA Item Number: SB029860
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: AIR CONDITIONER:COMPRESSOR
Summary: A/C COMPRESSOR SEALING WASHER USAGE DG

 

Service Bulletin Number: 91-449-6A
Bulletin Sequence Number: 182
Date of Bulletin: 9111
NHTSA Item Number: SB029963
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: EXHAUST SYSTEM
Summary: TAILPIPE SMOKE ON STARTUP DG

 

Service Bulletin Number: 92-42-7A
Bulletin Sequence Number: 183
Date of Bulletin: 9111
NHTSA Item Number: SB029964
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:TRANSMISSION:AUTOMATIC
Summary: INTERMITTENT TRANSMISSION DOWNSHIFT DG

 

Service Bulletin Number: 91-493-7A
Bulletin Sequence Number: 053
Date of Bulletin: 9203
NHTSA Item Number: SB031120
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:TRANSMISSION:AUTOMATIC
Summary: 4L60 TRANSMISSION-NO REVERSE/DELAYED REVERSE COLD

 

Service Bulletin Number: 92-157-7A
Bulletin Sequence Number: 076
Date of Bulletin: 9204
NHTSA Item Number: SB031281
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:TRANSMISSION:AUTOMATIC
Summary: CLICK/WHINE IN 3RD/4TH GEAR DG

 

Service Bulletin Number: 92-230-6
Bulletin Sequence Number: 117
Date of Bulletin: 9206
NHTSA Item Number: SB031479
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ENGINE:PULLEY:CRANKSHAFT
Summary: ENGINE NOISE-REVISED CRANKSHAFT BUSHING DG

 

Service Bulletin Number: 92-307-6
Bulletin Sequence Number: 166
Date of Bulletin: 9210
NHTSA Item Number: SB032143
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ELECTRICAL SYSTEM:STARTER
Summary: NO START CONDITION-NEW STARTER DG

 

Service Bulletin Number: 93-29-7A
Bulletin Sequence Number: 174
Date of Bulletin: 9210
NHTSA Item Number: SB032151
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:TRANSMISSION:AUTOMATIC
Summary: BUZZING NOISE FROM TRANSMISSION AT IDLE DG

 

Service Bulletin Number: 93-35-6D
Bulletin Sequence Number: 177
Date of Bulletin: 9210
NHTSA Item Number: SB032154
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: ELECTRICAL SYSTEM:IGNITION
Summary: ENGINE MISS/HESITATION DUE TO PIERCED SECONDARY IGNITION COMPONENTS DG

 

Service Bulletin Number: 93-169-3E
Bulletin Sequence Number: 052
Date of Bulletin: 9304
NHTSA Item Number: SB033142
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: WHEELS
Summary: TIRES SLIPPING ON WHEELS. *LDG

 

Service Bulletin Number: 93-228-7A
Bulletin Sequence Number: 102
Date of Bulletin: 9306
NHTSA Item Number: SB033373
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: POWER TRAIN:TRANSMISSION:AUTOMATIC
Summary: CLICK/WHINE IN THIRD/FOURTH GEAR. *LDG

 

Service Bulletin Number: 476503
Bulletin Sequence Number: 045
Date of Bulletin: 9402
NHTSA Item Number: SB035715
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: EXHAUST/CRANKCASE EMISSION CONTROL DEVICES
Summary: HARD STARTING DURING A HOT RESTART, INCREASE IN IDLE SPEEDS AND IDLE FLUCTUATION. *TW

 

Service Bulletin Number: 91-208-3B
Bulletin Sequence Number: 109
Date of Bulletin: 9403
NHTSA Item Number: SB036039
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: STEERING:POWER ASSIST
Summary: REDUCED POWER STEERING ASSIST AT LOW AMBIENT TEMPERATURES. *TW

 

Service Bulletin Number: 93-131-10
Bulletin Sequence Number: 180
Date of Bulletin: 9303
NHTSA Item Number: SB039547
Make: CHEVROLET
Model: CORVETTE
Year: 1990
Component: VISUAL SYSTEMS:GLASS:WINDOW:TAILGATE AND BACK DOOR
Summary: REAR LIFT WINDOW HARD TO OPEN/HINGE LOOSE TO GLASS. *TW