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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

Description:An in-depth look at how Corvette performance numbers are generated by the Corvette Development team. This article was written by Jim Ingle who used to be a Corvette Powertrain Engineer.Excerpt:"This is another discussions best illustrated... 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

Service Bulletin #:  06-07-30-002 Date: January 20, 2006 Subject:  6L80 Automatic Transmission Delayed Engagement From PARK to DRIVE or PARK to REVERSE (Reprogram Transmission Control Module (TCM)) Model(s): 2006 Chevrolet Corvette with... Read More

Attached below is the complete 2006 Corvette Z06 collision repair manual that contains all identification numbers necessary for this model.It is a 1.6 MB PDF document.General Motors bulletins are intended for use by professional technicians, not a ... Read More

NOTE:  The bulletin below was revised in June of 2006 to include the Z06 Corvette.  Below is bulletin #05112D in PDF format.Custom Satisfaction Bulletin:  #05112 Date: February 23, 2006 Subject:  Customer Satisfaction Program... Read More

Attached below is a one page PDF document detailing the cold tire characteristics that may be seen on all GM original equipment tires.General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are... Read More

Service Bulletin #:  02-07-30-024B Date: August 2005 Subject:  Diagnosis of Cracked or Broken Transmission Case Model(s): 2006 and Prior Cars and Light Duty Trucks2006 and Prior Hummer H22006 Hummer H32005-2006 Saab 9-7Xwith 4L60/4L60-E... Read More

Service Bulletin #:  01-07-30-036F Date: February 2006 Subject:  Diagnostic Tips for Automatic Transmission DTC P0756, Second, Third, Fourth Gear Start Model(s): 2007 and Prior Passenger Cars and Light Duty Trucks2003-2007 Hummer H22006... Read More

Subject:  Use Recommended Tire Mounting Lubricant to Prevent Tires From Slipping on Chrome WheelsModels:  2006 and Prior Passenger Cars and Light Duty Trucks (including Saturn)2006 and Prior HUMMER H22006 HUMMER H3Bulletin No:  05-03... Read More