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1996 - 2000 Corvette: Service Bulletin: Harsh 1-2 Upshift, SES, MIL, or CEL Illuminated, DTC P1870 Set

Subject: Harsh 1-2 Upshift, SES, MIL, or CEL Illuminated, DTC P1870 Set (Replace Valve Body)Source: Chevrolet Dealer Technical Service BulletinNumber: 01-07-30-023BModels:1996 Buick Roadmaster1996 Cadillac Fleetwood1999-2000 Cadillac Escalade1996... 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

1990 Corvette: Service Manual Update: Sec. 6E3 Driveability and Emissions Revised Code 34 Chart

Subject: SERV MANUAL UPDATE-SEC.6E3 DRIVEABILITY AND EMISSIONS Model and Year: 1990 CORVETTE WITH 5.7L L98 (VIN CODE 8) ENGINE Source: Chevrolet Service Bulletin Bulletin Number: 90-350-6E - (09/13/1990) The attached Code 34 diagnostic... Read More

1989 - 1991 Corvette: Service Bulletin: Proper Installation and Seating of the SIR Coil Assembly

Subject: PROPER INSTALLATION AND SEATING OF THE SIR COIL ASSEMBLY Model and Year: 1989-91 CAPRICE, CAMARO, CORVETTE, CORSICA AND BERETTA Source: Chevrolet Service Bulletin Bulletin Number: 91-204-3B - (01/23/1991) CONDITION: The lower... Read More

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