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Subject:  4L60-E, 4L65-E Automatic Transmission Fluid Leak from Oil Pump or Bell Housing Area (Remove Small Burrs on Torque Converter Hub, Pump Drive Slots and Replace Torque Converter Hub-to-Oil Pump Seal Assembly (243)Models:  2006... Read More

By John Hinckley, Corvette Enthusiast MagazineUsed here with permission.Copyright John Hinckley, Corvette Enthusiast MagazineREADER’S QUESTION: My ’69 restoration is about half done; the body is at the painter, and I’ve completed... Read More

Model Year: 1985 Corvette L98 5.7L Engine (VIN Code 8)Subject: Rocker Arm Cover GasketsSource: Chevrolet Dealer Service BulletinBulletin Number: 85-163, Section 6Date: Dec, 1985TO: ALL CHEVROLET DEALERSSome 1985 Corvette engines may experience rocker... Read More

Subject: Loss of Oil PressureModel and Year: 1962 Corvette 250 H.P. 327" V-8Source: Chevrolet Technical Service BulletinBulletin Number: TSB #838Section:  VIDate:  October 16, 1962 TO:  ALL CHEVROLET SERVICE PERSONNELIf loss of engine... Read More

Subject:  Oil Pump Suction PipeModel Year:  1955 6-Cylinder EngineDate:  February 8, 1955Bulletin Number: DR-197, Section VI TO:  ALL CHEVROLET DEALERS A new Oil Pump Suction Pipe for 1955 6-Cylinder Engines is now in production... Read More

Subject:  New Oil Level GaugeModel and Year: 1955 V-8 EngineSource: Chevrolet Service BulletinBulletin No: DR-196Section:  VIDate: February 8, 1955To:  All Chevrolet Dealers:A new Oil Level Gauge now in production and... Read More

Note:  This bulletin only affects new-unsold in inventory Corvettes.GM SERVICE AND PARTS OPERATIONS DCS 2223 URGENT DISTRIBUTE IMMEDIATELY Date: March 10, 2009 Subject: 09043 Service Update Bulletin For Inventory Vehicles Only Excessive Oil... Read More

Some owners of a 2006-09 Corvette Z06 or a 2009 Corvette ZR1 with 6.2L or 7.0L Engine (VINs R, E -- RPOs LS9, LS7) may comment on a rattle or tapping type noise that is heard under the hood just above idle, usually 1200 to 2200 RPM. In some cases,... Read More

Some owners of a 2006-09 Corvette with a 7.0L engine (RPO LS7), a 2008-09 Corvette with 6.2L engine (RPO LS3) or a 2009 Chevrolet Corvette with 6.2L supercharged engine (RPO LS9) may complain of a SES light. Upon inspection, oil in the air cleaner, a... Read More

Changes have been made to the dry-sump engine oil system used in the 2009 Corvette (fig. 1) . This information pertains to these two engines:             - LS7 7.0L -- used in the Z06  ... Read More