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1953 - 1971 Corvette: Service Bulletin: Gasoline Additive for Preventing Exhaust Valve Recession
Viewed 1722 times since Mon, Nov 3, 2014
Subject:   Gasoline Additive for Preventing Exhaust Valve Recession Model and Year:   Pre-1971 Passenger Cars and Trucks, 1971-1978 Trucks over 6,000 Lbs. GVW, 1979-1986 Trucks Over 8,000 Lbs. GVW Source:  Chevrolet Dealer Service Bulletin... Read More
1956 - 1968 Corvette: Chevrolet Service News: Connecting Rod Bolt Usage
Viewed 969 times since Thu, Aug 20, 2015
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 Source:  ... Read More
1956 - 1968 Corvette: Service News: Connecting Rod Bolt Usage
Viewed 1201 times since Fri, Aug 1, 2014
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
1957 - 1972 Corvette: Technical Article: Playing Taps - A Staying-Cool Guide to Adjusting Solid Lifters
Viewed 1507 times since Mon, Jul 14, 2014
By John Hinckley, Corvette Enthusiast MagazineUsed here with permission.Copyright John Hinckley, Corvette Enthusiast MagazineMany of us really enjoy the sound (and performance) of solid lifters, but some folks don’t look forward to the... Read More
1963 - 1970 Corvette: Service News: Heavy Duty Positraction Unit
Viewed 1132 times since Sun, May 3, 2015
Subject:    Heavy Duty Positraction Unit Model and Year:  1963 - 1970 Corvette Source:  Chevrolet Service News Page Number:   21 Date:  March 1970, Volume 42, Number 3 A special high performance positraction unit has been provided... Read More
1963 - 1982 Corvette: Service Bulletin: Cooling System Restrictions - Symptoms and Diagnosis
Viewed 1331 times since Sun, Jan 25, 2015
This service bulletin was issued in May 1979, but the concepts and techniques are applicable toward 1960's Corvette to early 1980's Corvettes. Subject:    Cooling System Restrictions - Symptoms and Diagnosis Model and Year:   All... Read More
1963 - 1982 Corvette: Technical Article: Knowing How Your 1963 - 1982 Corvette’s Cooling System Can Prevent a Steaming Summer
Viewed 1591 times since Mon, Jul 14, 2014
By John Hinckley, Corvette Enthusiast MagazineUsed here with permission.Copyright John Hinckley, Corvette Enthusiast MagazineIf you own a 1963-1982 Corvette, chances are you ask, “Why does my car run hot and overheat?” There are lots of possible... Read More
1966 - 1968 Corvette: Service Bulletin: Valve Hitting Top of Piston
Viewed 1107 times since Sun, Oct 26, 2014
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 Date:    Jan. 11, 1968 ... Read More
1966 - 1969 Corvette: Tech Article: Building 427 Engines - Corvette News
Viewed 791 times since Thu, Jun 9, 2016
Attached below is an article on Building 427 Corvette engines that appeared in 1966 Corvette News (Vol 9 - No 5): Read More
1967 - 1968 Corvette: Engineering Service Note: Idle Cooling and Dieseling on Corvette with 427 CU IN Engines
Viewed 976 times since Mon, Jul 27, 2015
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 Number:   NA Date... Read More
1967 - 1968 Corvette: Engineering Service Note: New Push Rod Assembly for M4 Corvette
Viewed 747 times since Mon, Jul 27, 2015
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 Date:  May 1968 Valve... Read More
1967 - 1968 Corvette: Service News: Corvette 3x2 Secondary Carburetors Closing Rod Adjustment
Viewed 1907 times since Sun, Jan 11, 2015
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 The Corvette 3x2 Secondary... Read More
1968 - 1969 Corvette: Engineering Service Letter: Heat Shield - Starting Motor Solenoid
Viewed 1306 times since Sat, Sep 20, 2014
Subject:   Heat Shield - Starting Motor Solenoid Model and Year:  1968 - 1969 Corvette with MArk IV Engine (427ci) Date:   February - March 1968, ESC 68-8 Source:   Chevrolet Engineering Service Letter To protect the starter solenoid... Read More
1968 - 1969 Corvette: Engineering Service Letter: Water Entry Into Fuel Tank (#1092)
Viewed 1082 times since Fri, Jan 23, 2015
Subject:    Water Entry Into Fuel Tank (#1092) (D.S.T) Model and Year:  1968 - 1969 Corvette Source:  Chevrolet Engineering Service Letter Page Number:   29 Date:  69-4 Field reports indicate water entry into the fuel tank through... Read More
1968 Corvette Service Bulletin: Leakage at Oil Filter
Viewed 928 times since Tue, Jan 6, 2015
Subject:   Leakage at Oil Filter Model and Year:   1968 Passenger V-8 Engines Source:  Chevrolet Dealer Service Technical Bulletin Bulletin No:   68-T-29 Section:   VI Date:    March 2, 1968 TO:  ALL CHEVROLET DEALERS... Read More
1968 Corvette: Engineering Service Letter: Incorrect Camshafts in Production at Flint Engine Plant
Viewed 874 times since Fri, Jan 16, 2015
Subject:    Incorrect Camshafts in Production at Flint Engine Plant Model and Year:  1968 Corvette Source:  Chevrolet Engineering Service Letter Page Number:   NA Date:  January 1968 MISC.  Information from Mr. L. M. Bayorgeon -... Read More
1968 Corvette: Engineering Service Letter: Upper Radiator Hose Alignment
Viewed 2214 times since Tue, Jul 1, 2014
Subject:  Upper Radiator Hose AlignmentModel and Year: 1968 Corvette Base or L-79 327 cu. in. EngineDate:  December 1967 - January 1968 UPC VI - ENGINE E.S.L. - ContinuedUPPER RADIATOR HOSE ALIGNMENT - 1968 Corvette Base or L-79 327 cu. in Engine (... Read More
1968 Corvette: Features Sheet: Chevrolet L88 Engine Assembly Features
Viewed 1010 times since Sun, Feb 15, 2015
The following information lists the features of the over-the-counter, L88 Engine assembly that could be purchased in 1968: CHEVROLET L 88 ENGINE ASSEMBLY PART NO. 3919831 (427 CID) FEATURES Aluminum High Riser (Plenum Chamber Design) Intake... Read More
1968 Corvette: Service Bulletin: Choke and Hot Restart Problems
Viewed 2110 times since Thu, Oct 2, 2014
Subject:   Choke and Hot Restart Problems Model and Year:   1968 Corvette  with 427 cu. in. Engine Source:  Chevrolet Dealer Service Technical Service Bulletin Bulletin No:  68-T-23 Re-Issue Section:   VIm Date:  Apr. 24,... Read More
1968 Corvette: Service Bulletin: Cold Start Failure
Viewed 1198 times since Sun, Dec 28, 2014
Subject:   Cold Start Failure Model and Year:   All 1968 Vehicles Incorporating V-8 Engines Source:  Chevrolet Dealer Service Technical Bulletin Bulletin No:   68-T-31 Section:   VIm Date:    March 5, 1968 TO:  ALL... Read More
1968 Corvette: Service Bulletin: Gas Line Rattle
Viewed 1492 times since Mon, Oct 27, 2014
Subject:   Gas Line Rattle Model and Year:   1968 Corvette Source:  Chevrolet Dealer Service Information Bulletin - General Motors Canada Bulletin No:  68-IC-54 Section:   Chevrolet Date:    June 29, 1968 TO:  ALL... Read More
1968 Corvette: Service Bulletin: Inadequate Cooling
Viewed 1395 times since Mon, Dec 1, 2014
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 22, 1968 TO:  ALL CHEVROLET... Read More
1968 Corvette: Service News: Tune-up Specification Change
Viewed 2121 times since Mon, Sep 15, 2014
Subject: Tune-up Specification Change Model and Year: 1968 Corvette with 427 cu. in. Engine, Manual Transmission and Air Conditioning Source: Chevrolet Service News Page Number:   5 Date: February 1968, Volume 40, Issue #2 Timing and... Read More
1968 Corvette: Service Bulletin: Power Steering Bracket
Viewed 1164 times since Sun, Jul 13, 2014
Subject: Power Steering BracketModel and Year: 1968 Corvette with 427 cu. in. EngineSource: Chevrolet Dealer Service Technical BulletinBulletin Number: 68-T-46, Section IXDate:  Apr. 25, 1968TO:  AL CHEVROLET DEALERSSome reports of power steering... Read More
1968 Corvette: Service News: Spark Plug Removal with 427 Engine and A/C
Viewed 1357 times since Fri, Aug 1, 2014
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
1969 - 1976 Corvette: Service Bulletin: Air Conditioning Compressor Drive Belt to Radiator Hose Interference
Viewed 6036 times since Sat, Aug 2, 2014
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
1969 Corvette: Service News: Delcotron Battery Terminal Contacting Rocker Cover
Viewed 1409 times since Sat, Nov 29, 2014
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 1969 - Volume 41 -... Read More
1970 - 1973 Corvette: Service Bulletin: Engine Overheat
Viewed 2063 times since Sun, Jun 21, 2015
Subject: Engine Overheat Model and Year:   1970 - 1973 Corvettes with 454 Cu. In. Engines and Air Conditioning Source: Chevrolet Dealer Service Technical Bulletin Bulletin Number: 73-T-28, Section VI Date:   May 14, 1973 TO:  ALL... Read More
1970 - 1973 Corvette: Service Bulletin: Overheating - 454 Cu.In. Engine with Air Conditioning
Viewed 1875 times since Sun, Jul 6, 2014
1970 Corvette: Service Bulletin: Water Pump Bearing and/or Shaft Failures
Viewed 1701 times since Sat, Nov 29, 2014
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:    June 23, 1971 TO: ... Read More
1970 Corvette: Service News: 1970 Carburetor Linkage and Accelerator Controls
Viewed 1968 times since Thu, Dec 25, 2014
Subject:   1970 Carburetor Linkage and Accelerator Controls Model and Year:  1970 Model Chevrolet and Nova Source:  Chevrolet Service News Page Number:   2 Date:  August, 1970 - Volume #42 - Issue Number 8 The 1970 model Chevrolet... Read More
1970 Corvette: Service News: Valve Rocker Arm Stud Replacement
Viewed 993 times since Sun, May 3, 2015
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, Volume 42, Number 3 Production has... Read More
1970 Corvette: Service News: 1970 Carburetor Linkage and Accelerator Controls
Viewed 4130 times since Fri, Aug 1, 2014
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
1971 Corvette: Service Bulletin: 1971 Corvette Axle Usage Corrections
Viewed 3286 times since Fri, Dec 26, 2014
Subject:   1971 Corvette Axle Usage Corrections Model and Year:   1971 Corvette Source:  Chevrolet Service Technical Bulletin Bulletin No:   71-T-10 Section:   IV Date:    Aug. 20, 1971 TO:  ALL CHEVROLET DEALERS It... Read More
1972 - 1973 Corvette: Service News: New Vacuum Modulator Hoses
Viewed 1083 times since Sun, Aug 10, 2014
Subject: New Vacuum Modulator Hoses Model and Year: All 1972 - 1973 Models with Automatic Transmission Source: Chevrolet Service News Page Number: Page 1 Date: November 1972, Volume 44, Number 11 Two new vacuum modulator hoses have been... Read More
1973 - 1974 Corvette: Service Bulletin: Engine Overheat Due to Blocked Coolant Passage in the Cylinder Head
Viewed 1320 times since Sun, Jan 18, 2015
Subject:   Engine Overheat Due to Blocked Coolant Passage in the Cylinder Head Model and Year:   All Small Block V-8 Engines Source:  Chevrolet Dealer Service Technical Bulletin Bulletin No:   74-T-6 Section:   VI Date:   ... Read More
1973 Corvette: Electrical Schematic: Engine
Viewed 1175 times since Sun, Jul 13, 2014
Attached below is the electrical schematic for the engine in the 1973 Corvette. Read More
1973 Corvette: Service Bulletin: Exhaust Manifold Heat Shielding
Viewed 3287 times since Sun, Jul 6, 2014
Below are the attachments for this service bulletin. Read More
1973 Corvette: Service Bulletin: Exhaust Manifold to Air Conditioning Refrigerant Hose Clearance
Viewed 2278 times since Sun, Jul 13, 2014
1973 Corvette: Service News: Red Idle Mixture Screw Caps
Viewed 1060 times since Tue, Aug 5, 2014
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
1974 Corvette: Product Safety Campaign: Fuel Tank Return Line Tube Fitting Leakage
Viewed 964 times since Thu, Aug 27, 2015
1974 Corvette built within serial range number 15,309 through 18,652 had a possibility of a fuel tank return line breaking. Subject: Product Safety Campaign No. 74C13 - Fuel Tank Return Line Tube Fitting Leakage - 1974 Corvette Model and Year: ... Read More
1974 Corvette: Service Bulletin: Soft Push Rod Guides
Viewed 1040 times since Sat, Aug 9, 2014
Model Year: All 1974 Passenger Cars and Light Duty Trucks Equipped with 454 cu. in. Engine Subject: Soft Push Rod Guides Source: Chevrolet Dealer Service Technical Bulletin Number: 74-T-29, Section: VI Date: May 1, 1974 To: All... Read More
1975 - 1982 Corvette: Service Bulletin: Viton Accelerator Pumps - Current and Past Models Equipped with Dual and Quadrajets
Viewed 1468 times since Sun, Dec 14, 2014
Subject:   Viton Accelerator Pumps - Current and Past Models Equipped with Dual and Quadrajets Model and Year:   1975 - 1983 Chevrolet Vehicles Equipped with Dual and Quadrajets Source:  Chevrolet Dealer Service Information Bulletin ... Read More
1975 Corvette: Service News: Radiator and Fan Shroud Removal
Viewed 2514 times since Sat, Dec 20, 2014
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 (refer to 1975 Service... Read More
1976 Corvette: Parts Chart: Delco Quadrajet Carburetors
Viewed 2353 times since Sun, Dec 28, 2014
Below is a detailed parts chart and part numbers related to the Delco Quadrajet carburetor used in the 1976 Corvette.   Read More
1977 Corvette: Service Bulletin: Rear Axle Identification Revision
Viewed 4259 times since Sun, Feb 8, 2015
Subject:   Rear Axle Identification Revision Model and Year:   1977 Passenger Car Source:  Chevrolet Dealer Service Information Bulletin Bulletin No:   77-I-21 Section:    IV Date:   March, 1977 TO:  ALL CHEVROLET... Read More
1978 Corvette: Service Bulletin: Fuel Filter
Viewed 1139 times since Mon, Oct 13, 2014
Subject:   Fuel Filter Model and Year:   1978 Corvette Source:  Chevrolet Dealer Service Technical Bulletin Bulletin No:  78-T-9 Section:   VIII Date:  Feb. 1978 TO:  ALL CHEVROLET DEALERS Some 1978 Corvette owners... Read More
1980 - 1982 Corvette: Service News: Differential Side Bearing Removal
Viewed 1234 times since Sun, Oct 5, 2014
Subject: Differential Side Bearing Removal Model and Year: 1980 - 1982 Corvette Source: Chevrolet Service News Page Number: Page 1 Date:  September/October 1983 - Volume 55 - Number 5 Due to a design change on the differential case on the... Read More
1981 - 1990 Corvette: Service Bulletin: Oil Filter Leakage Proper Installation Procedure
Viewed 1368 times since Fri, Aug 1, 2014
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
1981 Corvette: Service Bulletin: Poor Engine Performance, Catalytic Converter Repair
Viewed 4637 times since Fri, Aug 1, 2014
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
1981 Corvette: Service Bulletin: Vehicle Speed Sensor Servicing
Viewed 4249 times since Fri, Aug 1, 2014
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 year... Read More
1982 - 1984 Corvette: Service Bulletin: High, Rough, Unstable Idle Vacuum Leak
Viewed 4368 times since Fri, Aug 1, 2014
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
1982 Corvette: Exploded Views of 1982 Cross-Fire Injection Unit with Part Numbers
Viewed 2865 times since Sun, Jul 12, 2015
Below are exploded views of a complete 1982 Corvette Cross-Fire Injection Unit with part numbers:   Read More
1982 Corvette: Service News: Fuel Filter Usage and Installation
Viewed 3479 times since Sun, Oct 5, 2014
Subject: Fuel Filter Usage and Installation Model and Year:  1982 Corvette Source:  Chevrolet Service News Page Number:  Page 2 Date:  November/December 1982 - Volume 54-6 - Number 12 Part C  Shop Manual Updates The fuel filter... Read More
1982 Corvette: Service Bulletin: Engine Coolant Usage Anti-Freeze Specs Change
Viewed 1050 times since Fri, Aug 1, 2014
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
1982 Corvette: Service News: Fuel injection Diagnosis Chart
Viewed 2984 times since Sun, Oct 5, 2014
Subject: Fuel injection Diagnosis Chart Model and Year:  1982 Corvette Source:  Chevrolet Service News Page Number:  Page 5 Date:  January/February 1983 - Volume 55 - Number 1 Read More
1982 Corvette: Service News: Fuel injection Diagnosis Chart Revision
Viewed 1442 times since Tue, Aug 12, 2014
1982 Corvette production ended on October 12, 1982.  The information below was issued in the Spring of 1983 and is not in any of the original shop manuals for the 1982 Corvette model year. Subject: Fuel injection Diagnosis Chart Revision Model... Read More