Engine - Drivetrain

Subject: CAMPAIGN: EVAPORATIVE EMISSION HOSES Model and Year: 1988-89 CHEVROLET CORVETTE Source: Chevrolet Service Bulletin Bulletin Number: 89C25 - (08/23/1993) To: All Chevrolet Dealers General Motors has determined that certain 1988... Read More

Subject: TAIL PIPE SMOKE ON START-UP (INSTALL NEW VALVE SEAL KIT)Model and Year: 1987-91 CAPRICE, CAMARO AND CORVETTE WITH 5.0L AND 5.7L ENGINES1987-91 C/K, RN, G AND P TRUCKS WITH 5.0L AND 5.7L ENGINES Source: Chevrolet Service BulletinBulletin... Read More

Subject: Spark Plug Service on Engines with Aluminum HeadsModel and Year: 1986 Corvette 5.7 L PFI L98 (VIN Code 8) EngineSource: Chevrolet Dealer Sevice BulletinBulletin Number: 86-82, Section 6ADate: May, 1986 TO:  ALL... Read More

Subject:    Fuel Tank Pressure Control Valve Model and Year:  1986 Chevrolet Corvette w/ 5.7L Engine (RPO L98) (California Emission Control Vehicles Only) Source:   Product Campaign / Dealer Emission Campaign Bulletin ... Read More

Subject: MULTEC FUEL INJECTORS/CLEANING INFORMATION Model and Year:1986-90 CELEBRITY1986-91 CAMARO, CAVALIER, CORVETTE1987-91 CORSICA, BERETTA1990-91 LUMINA, STORMSource: Chevrolet Service BulletinBulletin Number: 91-312-6E - (05/15/1991) THIS... Read More

Subject: NEW DESIGN CYLINDER HEADS PRODUCTION CHANGE INFORMATIONModel and Year: 1986-88 B, F, Y CARS WITH 5.7L (VIN CODE 6, 8) AND 5.0L (VIN CODE H, F, G) ENGINES1989-90 B, F, Y CARS WITH 5.0L (VIN CODE F) AND 5.7L (VIN CODE 8) ENGINESAPPLICATION:... Read More

Model Year: 1986-87 CAMARO, CORVETTE WITH PFI ENGINES (VIN CODES F AND 8) Source: Chevrolet Dealer Service Bulletin Bulletin Number: 87-99, Section 6E Date: April 1987 TO: ALL CHEVROLET DEALERS CONDITION: There have been reports of... Read More

Model Year: 1985 Corvette L98 5.7L Engine (VIN Code 8)Subject: Rocker Arm Cover GasketsSource: Chevrolet Dealer Service BulletinBulletin Number: 85-163, Section 6Date: Dec, 1985TO: ALL CHEVROLET DEALERSSome 1985 Corvette engines may experience rocker... Read More

Model Year: 1985 Corvettes with Automatic TransmissionSubject: Mass Air Flow Sensor ReplacementSource: Chevrolet Dealer Emission Campaign BulletinBulletin Number: 85C12, Section 6EDate: September, 1985TO: ALL CHEVROLET DEALERSGeneral Motors has... Read More

Model Year: 1985 Corvettes with Automatic TransmissionSubject: Minimum Idle Speed RevisionSource: Chevrolet Dealer Service BulletinBulletin Number: 85-91, Section 6Date: May, 1985TO: ALL CHEVROLET DEALERSSome 1985 Corvettes equipped with the L98 5.7L... Read More