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

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

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: 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: 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: 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: INTERMITTENT NO START/CRANKS REPLACE MASS AIR FLOW RELAYS Model and Year: 1988-89 CHEVROLET CORVETTESource: Chevrolet Service BulletinBulletin Number: 89-327-6D - (07/10/1991) Condition: On the 1988 - 89 Y Car, the engine may have... Read More

Subject: COOLANT USAGE RECOMMENDATION SERVICE INFORMATION Model and Year:ALL 1988-91 PASSENGER CARS AND TRUCKSSource: Chevrolet Service BulletinBulletin Number: 91-62-6B - (08/21/1990) TO: ALL CHEVROLET DEALERS THIS INFORMATION SUPERSEDES INFORMATION... Read More

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

Subject: FUEL PUMP DRIVEABILITY ISSUE DIAGNOSTIC INFORMATION Model and Year: 1991-92 CAMARO, CAVALIER, CORSICA, BERETTA, LUMINA AND CORVETTE 1992 C1, K1, L/M AND S/T TRUCKS 1992 LUMINA APV Source: Chevrolet Service Bulletin Bulletin... Read More