Corvette Action Center Knowledgebase

2015 - 2019 Corvette: Service Bulletin: #16-NA-361: Information on Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle

#16-NA-361: Information on Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle - (Apr 6, 2017) Subject: Information on Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle ... Read More

2017 Corvette: Service Bulletin: #16-NA-404: Harsh Shift, Delayed Shift, unwanted Downshift, Transmission Stuck in One Gear, Erratic Shifting, Hesitation or Have a Malfunction Indicator Lamp (MIL) Illuminated

Apr 8, 2017 2017 corvette, service bulletin, 16-NA-404, transmission, harsh shift, delayed shift, unwanted downshift, erratic shifting, hesitation, mil, transmission control module, dtc, dtcs 0 0 1902 2/5 (1 Vote)

#16-NA-404: Harsh Shift, Delayed Shift, unwanted Downshift, Transmission Stuck in One Gear, Erratic Shifting, Hesitation or Have a Malfunction Indicator Lamp (MIL) Illuminated - DTC P0747, P0777, P0797, P2715 or P2724 May Be Set Current or History in... Read More

2006 - 2014 Corvette: Service Bulletin: #PIP5429: 2-3 Upshift Slip or Flare - (Oct 10, 2016)

Oct 13, 2016 c6 corvette, c7 corvette, 2006 corvette, 2007 corvette, 2008 corvette, 2009 corvette, 2010 corvette, 2011 corvette, 2012 corvette, 2013 corvette, 2014 corvette, service bulletin, upshift, slip, flare, transmission, PIP5429 0 0 2339 2.8/5 (5 Votes)

#PIP5429: 2-3 Upshift Slip or Flare - (Oct 10, 2016) Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Cadillac ATS 2013 2015 All All All 6L45 Cadillac CTS-V 2010 2015 All All All ... Read More

2015 - 2016 Corvette: Service Bulletin: Diagnostic Tip for Harsh Shifts After Mileage Accumulation Without Previous Transmission Repairs and/or Calibration Updates

Jun 30, 2016 2015 corvette, 2016 corvette, service bulletin, diagnostic tip, transmission, hard shifts, mileage, accumulation, repairs, calibration, updates 0 0 1336 1/5 (1 Vote)

#16-NA-213: Diagnostic Tip for Harsh Shifts After Mileage Accumulation Without Previous Transmission Repairs and/or Calibration Updates - (Jun 28, 2016) Subject: Diagnostic Tip for Harsh Shifts After Mileage Accumulation Without Previous... Read More

1955 Corvette: Service Bulletin: Hard Shifting

Jun 7, 2015 1955 corvette, service bulletin, chevrolet service bulletin, hard shifting, 3-speed, manual transmission, transmission 0 0 701 0/5 (0 Vote)

Less than 100 1955 Corvettes were built with the 3-speed manual transmission. This Chevrolet Technical Service Bulletin, DR #236 covers all of those Corvettes. This information is not in the 1955 Chevrolet Shop Manual. Read More

1955 Corvette: Service Bulletin: Upshift at Part Throttle

Jan 17, 2015 1955 corvette, service bulletin, powerglide, transmission, upshift, part throttle, throttle valve control lever, throttle valve outer lever, throttle valve linkage, adjustment, control rod 0 0 722 0/5 (0 Vote)

Subject: Upshift at Part Throttle Model and Year: 1955 6-Cylinder Powerglide Source: Chevrolet Technical Service Bulletin Bulletin No: DR - 192 Section: VII Date: January 31,... Read More

1963 Corvette: Service Bulletin: Powerglide Transmission Governor Operational Check

Oct 14, 2014 1963 corvette, service bulletin, powerglide, transmission, governor, operational check, aluminum powerglide, no-upshift, vacuum modulator 0 0 719 0/5 (0 Vote)

Subject: Powerglide Transmission Governor Operational Check Model and Year: 1963 Aluminum Powerglide Source: Chevrolet Technical Service Bulletin Bulletin No: DR #583 Section: VII Date: April... Read More

1957 - 1958 Corvette: Service News: Corvette 4-Speed Transmission - Harsh Shift Into Third Speed

Aug 3, 2014 1957 corvette, 1958 corvette, service news, chevrolet service news, 4-speed, transmission, hard shift, third speed, syncrhonizer 0 0 878 0/5 (0 Vote)

Source: Chevrolet Service News Date: December, 1957 Subject: Corvette 4-Speed Transmission - Harsh Shift Into Third Speed Some 1957 and 1958 Corvette four-speed transmissions have been built incorporating a third speed gear with 7 o cone... Read More

1963 Corvette: Service Bulletin: Gear Block-Out and High Shifting Effort

Aug 2, 2014 1963 corvette, service bulletin, gear, block-out, shifting, shifting effort, muncie, transmission, sychronizer, 4-speed 0 0 682 0/5 (0 Vote)

Subject: Gear Block-Out and High Shifting EffortModel and Year: 1963 1000 Series and Corvette with Muncie 4-Speed TransmissionSource: Chevrolet Technical Service BulletinNumber: DR #611, Section VIIDate: August 7, 1963 TO: ALL CHEVROLET DEALERS... Read More

1982 - 1991 Corvette: Service Bulletin: Transmission Stuck in First Gear

Aug 1, 2014 1982 corvette, c4 corvette, service bulletin, transmission, stuck, gear, first gear, hydra-matic, 4l60, upshift, 91-371-7A 0 1 3281 5/5 (1 Vote)

Subject: TRANSMISSION STUCK IN FIRST GEAR Model and Year: 1982-91 CAPRICE, CAMARO AND CORVETTE 1982-91 C/K, G, S/T' 1985-91 M VAN 1987-91 RN AND 1990-91 L VAN WITH 4L60 AUTOMATIC TRANSMISSION Source: Chevrolet Service Bulletin Bulletin... Read More

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