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Subject:   Inadequate Cooling Model and Year:   1968 Corvette with 327 Cubic Inch Engine Source:  Chevrolet Service Technical Bulletin Bulletin No:   68-T-13 Section:   VI Date:    May... Read More

Subject:   Water Pump Bearing and/or Shaft Failures Model and Year:   V-8 Engines with Fan Clutch Source:  Chevrolet Dealer Service Technical Bulletin Bulletin No:   71-T-37 Section:   VI Date: ... Read More

During the beginning of 1963 Corvette production, Chevrolet started testing various ways of adding a rear exhaust fan to Corvette coupes starting with the 1964 model year.  During the latter stages of 1965 Corvette coupe production, Chevrolet... Read More

Subject:   Delcotron Noise (Moan) Model and Year:   1968 Passenger Cars Equipped with V-8 Engines and Delcotron High Speed Fan Source:  Chevrolet Technical Service Bulletin Bulletin No:   68-T-63 Section: ... Read More

Subject:  Radiator and Fan Shroud Removal Model and Year:  1975 Corvette Source:  Chevrolet Service News Page Number:   NA Date:  February 1975 - Volume 47 - #2 Published information on 1975 Corvette models ... Read More

Subject:   Top Radiator Inlet Hose Interference (No. 444-T.I.) Model and Year:   1967 Corvette - 427 Mark with Power Steering Source:  Chevrolet Engineering Service Letter Bulletin No:   TNP #66-4 Section:   VI ... Read More

Below is chart showing complete tune-up specifications for 1959 Corvettes with all engine options. Read More

Subject: Corvette Auxilliary Cooling Fan Wiring Revision Model and Year: 1979 Corvette Equipped with 5.7L (350 Cu. In.) V-8 RPO L82 and Air Conditioning Source: Chevrolet Service News Page Number:   3 Date: Volume 51, Number 1... Read More

Attached below is a PDF document consisting of an electrical schematic for the 2006 Corvette cooling fans.General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those... Read More

#19-NA-217: Manual Transmission Stalling, Clutch Chatter and/or Hard Shifting into 1st Gear or Reverse; Automatic Transmission Vibration on Launch and/or Engine Noise - (Dec 21, 2020) Subject:  Manual Transmission Stalling, Clutch Chatter and... Read More