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The connecting rod bolt usage information below applies to all Corvettes from 1956 to 1968.  This information was not in earlier shop manuals. Subject:    Connecting Rod Bolt Usage Model and Year:   1956 - 1968 Corvette ... Read More

This service update should apply to 1963 through 1968 Corvettes as well as Corvettes built in the 1970's and early 1980's prior to the 1984 Corvette. Subject:    Rear Spring Removal Model and Year:   1968 Corvette Source:... Read More

Subject:   Idle Cooling and Dieseling on Corvette with 427 CU IN Engines Model and Year:  1967 - 1968 Corvette with 427 Cu. In. Engine (#844) (D.S.T.) Source:  Chevrolet Engineering Service Letter - UPC VI - Engine Page... Read More

Subject:    New Push Rod Assembly for M4 Corvette Model and Year:  1968 and Pass L88 Corvette & H.D. Service (#846) (T.N.) Source:  Chevrolet Engineering Service Letter - UPC VI - Engine Page Number:   NA ... Read More

Subject:    Corvette 3x2 Secondary Carburetors Closing Rod Adjustment Model and Year:  1967 - 1968 Corvette with Tri-Power Engine Source:  Chevrolet Service News Page Number:   5 Date:  December 1967... Read More

Subject:   Valve Hitting Top of Piston Model and Year:   1966 - 1968 Corvette with 427 CU. IN. 430 H.P. Engine Source:  Chevrolet Dealer Service Technical Bulletin Bulletin No:  68-T-17 Section:   VI ... Read More

2020 Corvette: DTCs Set in the TCM October 28, 2020GM TechLink Some 2020 Corvettes may have an illuminated Check Engine MIL and a reduced engine power message on the instrument cluster with no noticeable performance issues. DTCs P1967 (Serial Data... Read More

#PIP5757: Service Engine Soon Light/Message with DTCs P1967 or P1968 in the TCM - (Oct 13, 2020) Subject:  Service Engine Soon Light/Message with DTCs P1967 or P1968 in the TCM Brand: Model: Model Year: VIN: Engine: Transmission: ... Read More

#N232413030: Service Update - Lack of Auto Park Function - (Mar 25, 2024) Subject:  N232413030 — Lack of Auto Park Function   Models:  2024 Chevrolet Corvette Release Date: March 2024 Revision: 00   ... Read More

The electrical hood release buttons (Fig. 11) may be inoperative and a Hood Ajar message may be displayed on the Driver Information Center on some 2020-2021 Corvette models. The hood can be opened using the manual release cable. Fig. 11 These... Read More