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1990 - 1991 Corvette: Service Bulletin: Intermittent Electrical Conditions - Repair/Diagnosis Procedures

Subject: INTERMITTENT ELECT. CONDITIONS REPAIR/DIAGNOSIS PROCEDURES Model and Year: 1990-91 CORVETTE Source: Chevrolet Service Bulletin Bulletin Number: 91-337-6D - (05/30/1991) Condition: The electrical system on the 1990-91 Y Car may... Read More

1981 - 1990 Corvette: Service Bulletin: Procedures on Scuff/Scratch Removal from Clear Coat on Aluminum Wheels

Subject:   Procedures on Scuff/Scratch Removal from Clear Coat on Aluminum Wheels Model and Year: 1981-85 Citation 1982-90 Cavalier 1985-88 Monte Carlo 1981-90 Caprice, Camaro, Corvette 1985-90 Celebrity 1990 Lumina Source:  ... Read More

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

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

1990 Corvette: Service Bulletin: SIR Diagnostics and Procedures to Prevent Codes 16 and 26 Due to Corrosion Revised

Subject: SERVICE MAN. UPDATE SEC.9J A/B REV. SIR DIAGNOSTIC PROCEDURE Model and Year: 1990 CORVETTE Source: Chevrolet Service Bulletin Bulletin Number: 90-436-9J - (11/07/1991) Some 1990 Corvettes have set SIR Sensor Codes 16 and 26. The... Read More