Articles Search Results

From Jim Ingle, GM Powertrain Engineer (this question was asked in terms of adding Mobil 1 to a ZR-1 after engine break-in):"There is probably more misunderstanding of lubricants and "old wive's tales" about them than any other automotive issue. A... Read More

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

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

Some owners of a 2005-08 Chevrolet Corvette may comment that when attempting to use the trip odometer to track longer distances, it will reset and count from zero again after the trip odometer (A or B) exceeds 2000 miles (3218 km). This is the... Read More