Subject: LOSS OF HEAT/COOLING CONTROL REVISED PROGRAMER AVAILABLE Model and Year:1991 CORVETTE WITH 5.7L ENGINESource: Chevrolet Service BulletinBulletin Number: 91-200-1A - (02/04/1991) Condition: On some vehicles the temperature of air coming from... Read More

Source: Chevrolet Dealer Service BulletinNumber: 86-237Section: 3BDate: April, 1987Subject: Power Steering Fluid CoolerModel Year: 1984-1986 CorvetteTO: ALL CHEVROLET DEALERSA service kit, P/N 10080769, has been developed for installing a power... Read More

Subject: COOLANT USAGE RECOMMENDATION SERVICE INFORMATION Model and Year:ALL 1988-91 PASSENGER CARS AND TRUCKSSource: Chevrolet Service BulletinBulletin Number: 91-62-6B - (08/21/1990) TO: ALL CHEVROLET DEALERS THIS INFORMATION SUPERSEDES INFORMATION... Read More

LT1 Reverse Flow Cooling SystemBy Scott Mueller. One of the greatest features of the '92 and up Chevrolet LT1 engine is the reverse flow cooling system. In fact it is reverse flow cooling that is truly the key to the incredible performance of the... Read More

Subject: Engine Low Coolant Light Comes On At Start-Up (Inspect for 2nd Design Radiator Surge Tank and Replace/Reposition) Source: Chevrolet Dealer Technical Service Bulletin Number: 99-06-02-016 Models: 1997-1999 Chevrolet Corvette ... Read More

From GM TechLink, June 2004: This information applies to 2003-04 Chevrolet and GMC C/K trucks, Cadillac Escalade, and Corvette, and 2004 Cadillac CTSV and Pontiac GTO with GEN III V8 engines.If coolant appears to be leaking at the head cup plugs,... Read More

The 2005 Chevrolet Corvette utilizes an algorithm-based low coolant level system which eliminates the need for the coolant level sensor previously positioned inside the surge tank.The algorithm (a mathematical calculation) measures the difference in... Read More

The following service bulletin was issued by Chevrolet in May of 1986 and contains excellent tips for tracking down hard to find fluid leaks which can be applied to all vehicle lines.Subject: Fluid Leak DetectionSource: Chevrolet Dealer Service... Read More

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... Read More

Attached below is a PDF document consisting of an electrical schematic for the 2006 Corvette cooling fans.General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those... Read More