Corvette Action Center Knowledgebase

1965 - 1967 Corvette: Tonawanda Engine Service Notes: Valve Springs, Rocker Arms, Camshafts

Jul 27, 2015 1965 corvette, 1966 corvette, 1967 corvette, tonawanda, 396, 427 engine, valve, spring, springs, rocker arm, rockers arms, camshaft, camshafts 0 0 1309 5/5 (1 Vote)

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

1954 Corvette: Service Bulletin: Vacuum Modulator Spring Throttle Valve Inner Spring

Jan 24, 2015 1954 corvette, service bulletin, powerglide, transmission, vacuum modulator, spring, throttle valve, inner spring 0 0 862 0/5 (0 Vote)

Subject: Vacuum Modulator Spring Throttle Valve Inner Spring Model and Year: 1954 Powerglide Transmission Source: Chevrolet Technical Service Bulletin Bulletin No: DR - 165 Section: VII Date: ... Read More

1966 - 1968 Corvette: Service Bulletin: Valve Hitting Top of Piston

Oct 26, 2014 1966 corvette, 1967 corvette, 1968 corvette, l88, l-88, rpo l88, rpo l-88, valve float, exhaust valve, piston, service bulletin, valve spring, valve spring height 0 0 939 0/5 (0 Vote)

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

1954 Corvette: Service Bulletin: New Valve Spring - High Lift Cam Engines

Aug 3, 2014 1954 corvette, service bulletin, valve spring, high lift, cam, camshaft, powerglide, tension 0 0 811 0/5 (0 Vote)

Model Year: 1954 Corvettes with High Lift Cam EnginesSubject: New Valve SpringSource: Chevrolet Technical Service BulletinBulletin Number: DR - 177, Section VIDate: August 12, 1954TO: ALL CHEVROLET DEALERSA new Valve Spring with higher tensile... Read More

1965 Corvette: Service Bulletin: Valve Spring Cap Failure - 425 H.P., 396 ci. Engines

Aug 2, 2014 1965 corvette, service bulletin, valve spring, cap, failure, 425 h.p. 396 ci, engine 0 0 850 0/5 (0 Vote)

Model Year: 1965Subject: Valve Spring Cap Failure - 425 H.P., 396 ci. EnginesSource: Chevrolet Technical Service BulletinNumber: DR #757Section: VIDate: July 29, 1965TO: ALL CHEVROLET DEALERSA few field reports have been received of... Read More

1965 Corvette: Engineering Service Letter: Engine Bucking and Faltering

Nov 20, 2014 1965 corvette, engineering service letter, service letter, esl, rpo l78, 396 cu. in. 425 h.p., engine, holley, carburetor, metering body, power valve, main jets, needles, chevelle, chevy ii 0 0 853 0/5 (0 Vote)

Subject: Engine Bucking and Faltering - (No 279 - T.I) - 396 CU. IN. 425 HP with the Holley Carburetor Model and Year: 1965 "B" Car and Corvette with RPO L-78 Source: Chevrolet Engineering Service Letter Bulletin No: ... Read More

1959 Corvette: Service Bulletin: Oil Consumption

Nov 1, 2014 1959 corvette, service bulletin, oil consumption, excessive oil consumption, piston rings, over-sized, valves, zone letter, chicago zone 0 0 725 0/5 (0 Vote)

Subject: Oil Consumption Model and Year: 1959 "283" Engines Source: Chevrolet Technical Service Bulletin Bulletin No: 39 Zone: Chicago - 11 Date: November 17, 1958 We note... Read More

1962 Corvette: Service News: Corvette Fuel Injection

Aug 3, 2014 1962 corvette, service news, chevrolet service news, fuel injection, metering valve, venturi 0 0 1201 0/5 (0 Vote)

Model Year: 1962Subject: 1962 Corvette Fuel InjectionSource: Chevrolet Service NewsNumber: Volume 34, Number 3, Page 4.Date: March, 1962Two new Fuel Injection Units (Part Numbers 7017355 and 7017360) are being used optionally in Production on 1962... Read More

2015 - 2019 Corvette: Service Bulletin: #PIP5784: 8L45 8L90 Automatic Transmissions With No Movement After Valve Body Replacement - (Mar 1, 2021)

Mar 2, 2021 2015 corvette, 2016 corvette, 2017 corvette, 2018 corvette, 2019 corvette, service bulletin, transmission, 8l45, 8l90, valve body 0 0 1703 0/5 (0 Vote)

#PIP5784: 8L45 8L90 Automatic Transmissions With No Movement After Valve Body Replacement - (Mar 1, 2021) Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Cadillac ATS Models 2016 2019 All All All ... Read More

2019 - 2021 Corvette: Service Bulletin: #19-NA-218: Ticking Noise from the Engine - (Dec 16, 2020)

Dec 17, 2020 P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, P050D, 2019 corvette, 2020 corvette, 2021 corvette, ticking, ticking noise, 19-NA-218, lifter, valve lifter, valve lifters, 2019 zr1, 2019 corvette zr1, lt5, lt1, lt2, 2019 corvette z06, lt4, 2019 z06 0 0 4283 5/5 (1 Vote)

#19-NA-218: Ticking Noise from the Engine - (Dec 16, 2020) Subject: Ticking Noise from the Engine This bulletin replaces PIP5606E. Please discard PIP5606E. Brand: Model: Model Year: VIN: Engine: Transmission: from to from ... Read More

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