Corvette Action Center Knowledgebase

1982 - 1991 Corvette: Service Bulletin: Damaged ECM/PCM Mis-Diagnosis Due to Incorrect "Tap-Testing" Procedures

Aug 1, 2014 1982 corvette, c4 corvette, service bulletin, damaged, ecm, pcm, diagnosis, incorrect, tap-testing, tap testing, procedure, procedures, electronic control module, powertrain control module, 91-384-6E 0 0 2099 0/5 (0 Vote)

Subject: DAMAGED ECM/PCM AND/OR MIS-DIAGNOSED ECM/PCM SYMPTOMS DUE TO INCORRECT "TAP-TESTING" PROCEDURESModel and Year:1982-91 ALL PASSENGER CARS AND TRUCKSSource: Chevrolet Service BulletinBulletin Number: 91-384-6E - (07/24/1991) CONDITION: Because... Read More

1974 - 1975 Corvette: Service Bulletin: Stripped Speedometer Driven Gear, 1974-1975 Corvette with 4-Spd. Transmission

Aug 1, 2014 1974 corvette, 1975 corvette, service bulletin, stripped, speedometer, driven, gear, 4-speed, 4-spd, transmission, 75-T-3 0 0 968 0/5 (0 Vote)

Model Year: 1974-1975Subject: Stripped Speedometer Driven Gear, 1974-1975 Corvette with 4-Spd. TransmissionSource: Chevrolet Dealer Service Technical BulletinNumber: 75-T-3Date: Jan. 17, 1975TO: ALL CHEVROLET DEALERSOn 1974 and 1975 Corvettes with 4... Read More

1982 - 1991 Corvette: Service Bulletin: Information on State Emission Testing For All Models

Aug 1, 2014 1982 corvette, c4 corvette, service bulletin, emission testing, emissions, testing, 91-344-6E 0 0 1175 0/5 (0 Vote)

Subject: INFORMATION ON STATE EMISSION TESTING FOR ALL MODELS Model and Year:1982-91 ALL PASSENGER CARS AND TRUCKSSource: Chevrolet Service BulletinBulletin Number: 91-344-6E - (06/11/1991) THIS BULLETIN CANCELS AND SUPERSEDES DEALER SERVICE BULLETIN... Read More

1984 - 1985 Corvette: Service Bulletin: Corvette Door Trim Panel Moldings

Aug 1, 2014 1984 corvette, 1985 corvette, service bulletin, door, trim, panel, moldings, 85-136 0 0 816 0/5 (0 Vote)

Model Year: 1984-1985Subject: Door Trim Panel Upper Garnish MoldingSource: Chevrolet Dealer Service Information BulletinNumber: 85-136, Section 10Date: Oct., 1985To: All Chevrolet DealersThe side front door trim panel assembly has been replaced when... Read More

1984 - 1993 Corvette: Service Bulletin: Rear Lift Window Hard to Open/Hinge Loose to Glass

Jul 31, 2014 c4 corvette, service bulletin, rear lift, window, hard, difficult, open, hinge, loose, glass, 93-131-10, sticks, sticking, maxxus, chemlok 0 0 896 0/5 (0 Vote)

Subject: REAR LIFT WINDOW HARD TO OPEN/HINGE LOOSE TO GLASS Model and Year: 1984-1993 Corvette Source: Chevrolet Service Bulletin Bulletin Number: 93-131-10 CONDITION: Some owners may comment regarding rear lift window that sticks... Read More

1992 Corvette: Service Bulletin: Hood Latch Striker Bolt

Jul 31, 2014 1992 corvette, service bulletin, hood, latch, striker, bolt, 92-43-10 0 0 1696 0/5 (0 Vote)

Subject: HOOD LATCH STRIKER BOLT (USE PAST MODEL SERVICE PARTS) Model and Year: 1992 Corvettes, Prior to VIN Breakpoint N5100919 Source: Chevrolet Service Bulletin Bulletin Number: 92-43-10 - (11/07/1991) Condition: Early model 1992... Read More

1990 Corvette: Service Bulletin: ABS Code 63 Revised Diagnostic Chart

Jul 30, 2014 1990 corvette, service bulletin, abs, abs code, code63, revised, diagnostic, chart, anti-lock brakes, anti-lock brake system, 90-430-5 0 0 2291 5/5 (1 Vote)

Subject: SERVICE MANUAL UPDATE SEC. 5E1 ABS DIAGNOSIS-REVISED CODE 63 Model and Year: 1990 CORVETTE Source: Chevrolet Service Bulletin Bulletin Number: 90-430-5 - (08/21/1991) This bulletin serves to update the ABS Code 63 (Page 1 of 3)... Read More

1984 - 1996 Corvette: Service Bulletin: Change in Brake Effectiveness After Brake Work

Jul 30, 2014 c4 corvette, service bulletin, brake, effectiveness, brake work, 91-133-5 0 0 906 0/5 (0 Vote)

Subject: CHANGE IN BRAKE EFFECTIVENESS AFTER BRAKE WORK Model and Year:ALL PASSENGER CARS ALL LIGHT DUTY TRUCKSSource: Chevrolet Service BulletinBulletin Number: 91-133-5 - (12/31/1990) TO: ALL CHEVROLET DEALERS THIS BULLETIN CANCELS AND SUPERSEDES... Read More

1984 - 1996 Corvette: Suspension Chart

Jul 30, 2014 c4 corvette, suspension chart, fx3, src, hib halverson, anti-roll bar, diameter, measurements, spring rates, wheel rates 0 0 1285 0/5 (0 Vote)

DescriptionThis suspension chart was composed by Hib Halverson, an automotive journalist and contributor of internet media content. The chart contains spring rates, wheel rates, anti-roll bar diameter measurements, and much more. It is all organized... Read More

1984 Corvette: Service Bulletin: Ride Harshness - Z51 Suspension

Jul 30, 2014 1984 corvette, service bulletin, ride harshness, z51, suspension, 84-223 0 0 881 0/5 (0 Vote)

Source: Chevrolet Dealer Service BulletinNumber: 84-223Section: 3D (IV)Date: Dec., 1984Subject: Ride Harshness - Z51 SuspensionModel Year: 1984 CorvetteTO: ALL CHEVROLET DEALERSRide harshness associated with the Z-51 suspension option may be a source... Read More

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