Articles Search Results

Subject: New Vacuum Modulator Hoses Model and Year: All 1972 - 1973 Models with Automatic Transmission Source: Chevrolet Service News Page Number: Page 1 Date: November 1972, Volume 44, Number 11 Two new vacuum modulator hoses have been... Read More

Subject: Vacuum Modulation System InspectionModel and Year: 1958-1959 Powerglide and 1957 Thru 1959 Turboglide TransmissionsSource: Chevrolet Technical Service BulletinBulletin Number: DR #411, Section VIIDate: July 22, 1959 TO:  ALL CHEVROLET... Read More

Subject: HIGH, ROUGH, UNSTABLE IDLE VACUUM LEAK Model and Year: 1982-83 CAMARO, 1982-84 CORVETTESource: Chevrolet Service BulletinBulletin Number: 84-30 - (11/11/1983) High, rough, or unstable idle condition may be caused by vacuum leaks by the TBI... Read More

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

By John HinckleyUsed here with permission.Copyright John HinckleyIn this day and age, when modern automotive powertrains are computer-controlled and engines don’t even HAVE distributors any more, the knowledge of what distributors did and how... Read More

2020 Corvette: Rushing Air Sound in PCV Tube GM TechLink May 21, 2020 Some 2020 Corvette models may have a rushing air or hissing sound coming from the engine compartment during normal engine operation. The hiss or vacuum leak sound is at the foul... Read More

Chevrolet Performance - New Corvette - Carbon Fiber Quarter Panel Vents Now Available Chevrolet, Buick, GMC and Cadillac U.S. Dealers: Chevrolet Performance announces the launch of "Corvette Carbon Fiber Quarter Panel Vents for Z06 and Z51" to the... Read More

#16-NA-056: Track and Competitive Driving Wheel Alignment Tips - (Apr 4, 2017) Subject:  Track and Competitive Driving Wheel Alignment Tips Attention:  This Bulletin also applies to any of the models that may be Export from North... Read More

GM Bulletin No.:  37030Date:  April 2016 SUBJECT: Service Update for Inventory and Customer VehiclesHeated and Ventilated Front Seats Inoperative with Remote StartExpires with Base Warranty MODELS: 2016 Chevrolet CorvetteEquipped with... Read More

Subject:     Air Ventilator Control Cables Model and Year: 1965 Corvette Source: Chevrolet Service Bulletin - #41, Wichita, Kansas Zone Bulletin Number: 9 Date:   April 7, 1965 On early production Corvettes,... Read More