Subject:   Engine Valve Noise Model and Year:   1954 Powerglide Engines Source:  Chevrolet Technical Service Bulletin Bulletin No:   DR - 168 Section:   VI Date:    April 8, 1954 TO:... Read More

Subject: Needle Bearings Found In Oil Pan (Replace Rocker Arms)Source: Chevrolet Dealer Technical Service BulletinNumber: 02-06-01-029Models:1998-2002 Chevrolet Camaro, Corvette1998-2002 Pontiac Firebird2002 Cadillac Escalade, Escalade EXT1999-2002... Read More

Model Year: 1996 Corvettes With LT4 EngineSubject: INADEQUATE RETAINING LOAD HOLDING ROCKER ARM ROLLER PIN IN PLACESource: Chevrolet Product CampaignNumber: 96-C-07ATO: ALL CHEVROLET DEALERSGeneral Motors has decided that CERTAIN 1996 Chevrolet... Read More

Subject:    Valve Springs, Rocker Arms, Camshafts Model and Year:  1965 - 1967 Corvette with 396 or 427 ci engines. Source:  Tonawanda Engine Service Notes from Mr. W.O. Wittholz, Chevrolet Tonawanda Engine Plant Page... Read More

Quarter Panel Rattle Sound June 29, 2020GM TechLink A rattle or creak sound may be heard coming from the quarter panel area while driving at highway speeds on some 2020 Corvette models. The sound may be due to interference of the rocker panel with... Read More

GM CUSTOMER CARE & AFTERSALES URGENT - DISTRIBUTE IMMEDIATELY DATE     October 28, 2015 SUBJECT     Important Carbon Fiber Rocker Molding Installation Instructions for Z06/Z07 MODELS     ... Read More

Subject:    Valve Rocker Arm Stud Replacement Model and Year:  Interim 1970 Corvette and Camaro with High Performance Engine Source:  Chevrolet Service News Page Number:   21 Date:  March 1970,... Read More

Subject:  Delcotron Battery Terminal Contacting Rocker Cover Model and Year:  1969 Corvette with 427 Cu. In. Engine and Power Steering (SN-69-6) Source:  Chevrolet Service News Page Number:   NA Date:  January... Read More

Subject: Hydraulic Valve Lifter Usage and AdjustmentModel and Year: 1961 V-8 Passenger Car and Truck Engines - 1961 Corvair EnginesSource: Chevrolet Technical Service BulletinBulletin Number: DR #462, Section V REVISEDDate: March 2, 1961 TO: ... Read More

Model Year: 1984Subject: Revised Rocker Arm Cover Removal Procedures - Right SideSource: Chevrolet Service NewsNumber: 3, Volume 56Date: May/June 1984Revised Rocker Arm Cover Removal Procedures - Right Side - 1984 Corvette Models With 5.7L V-8... Read More