Engine - Drivetrain

Subject: Red Idle Mixture Screw Caps Model and Year: 1973 Corvette Source: Chevrolet Service News Page Number: Page 1 Date: November 1972, Volume 44, Number 11 As of July 31, 1972, the red idle mixture screw replacement cap hits will no... Read More

Subject: Air Conditioning Compressor Drive Belt to Radiator Hose Interference Model and Year: 1976 and Past Model Corvette Equipped with the 350 Cubic Inch Engine and Air Conditioning Source: Chevrolet Dealer Service Technical Bulletin ... Read More

Model Year: 1956-1968Subject: Connecting Rod Bolt UsageSource: Chevrolet Service NewsDate: August, 1968A new connecting rod assembly incorporating a 7/16" diameter connecting rod bolt is being used in late built Corvette R.P.O. L-88 (427 cu. in., 430... Read More

Subject: POOR ENGINE PERFORMANCE CATALYTIC CONVERTER REPAIR Model and Year: 1981 Corvette Source: Chevrolet Dealer Service Bulletin Bulletin Number: 82-T-144 This bulletin supersedes bulletin 81-T-76, 81-T-76 Supplement and 82-T-58. ... Read More

Model Year: 1968 Corvette 427 with Air ConditioningSubject: Spark Plug Removal TipSource: Chevrolet Service NewsDate: August, 1968Recent studies indicate that the two forward right bank spark plugs located under the air conditioning compressor on... Read More

Subject: 1970 Carburetor Linkage and Accelerator Controls Model and Year: 1970 Chevrolet and Nova Source: Chevrolet Service News Date: August, 1970 Pages: 2, 6 The 1970 model Chevrolet and Nova accelerator controls were changed in... Read More

Subject: OIL FILTER LEAKAGE PROPER INSTALLATION PROCEDURE Model and Year: 1981-90 CHEVROLET MODELSSource: Chevrolet Service BulletinBulletin Number: 90-216-6 - (05/12/1989) THIS BULLETIN CANCELS AND SUPERSEDES DEALER SERVICE BULLETIN NO. 90-187-6,... Read More

Subject: Vehicle Speed Sensor ServicingModel and Year: 1981 CorvettesSource: Chevrolet Dealer Service Information BulletinBulletin Number: 81-I-17Section: VItDate:  January, 1981 TO:  ALL CHEVROLET DEALERS Beginning with the 1980 1/2 model... Read More

Subject: HIGH, ROUGH, UNSTABLE IDLE VACUUM LEAK Model and Year: 1982-83 CAMARO, 1982-84 CORVETTESource: Chevrolet Service BulletinBulletin Number: 84-30 - (11/11/1983) High, rough, or unstable idle condition may be caused by vacuum leaks by the TBI... Read More

Subject: ENGINE COOLANT USAGE ANTI-FREEZE SPECS CHANGE Model and Year: 1982-1983 VehiclesSource: Chevrolet Service BulletinBulletin Number: 83-I-26 - (01/17/1983) Chevrolet Motor Division has in past model years recommended use of ethylene glycol... Read More