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2015 - 2017 Corvette: Service Bulletin: Lap Timer Function Is Missing From The DIC - (Jun 27, 2016)

#PIC6209A: Lap Timer Function Is Missing From The DIC - (July 5, 2016) Subject:  Lap Timer Function Is Missing From The DIC Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Corvette 2015... Read More

1980 - 1993 Corvette: Service Bulletin: Engine Miss, Hesitation, and Rough, Pierced Secondary Ignition Components

Subject: Engine Miss, Hesitation, and Rough, Pierced Secondary Ignition ComponentsModel and Year: 1980-93 ALL PASSENGER CARS AND TRUCKSSource: Chevrolet Service BulletinBulletin Number: 93-35-6D - (10/01/1992) THIS BULLETIN CANCELS AND SUPERSEDES... Read More

1989 - 1996 Corvette: Differences between First and Second Generation ZF 6-Speed Transmissions

From ZF regarding ZF transmission noise and differences between the ZF used in early and late ZR-1s - July 12, 2000: "All S6-40 transmissions installed in the C4 Corvette contain 100% helical gears.  In fact, all of the gearboxes ZF produces for... Read More

1988 - 1991 Corvette: Service Bulletin: Coolant Usage Recommendation Service Information

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

1990 - 1995 Corvette ZR-1: Technical Article: LT5 Secondary Port Operation & Vacuum Diagnosis

LT5 Secondary Port Operation & Vacuum Diagnosis by Robert Loszewski Copyright 2001 Before getting into diagnosing the LT5 engine's secondary port vacuum system, I thought it would be a good idea to take this opportunity to clear up a few... Read More

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