Corvette Action Center Knowledgebase

2015 - 2019 Corvette: Service Bulletin: #PIP5784: 8L45 8L90 Automatic Transmissions With No Movement After Valve Body Replacement - (Mar 1, 2021)

#PIP5784: 8L45 8L90 Automatic Transmissions With No Movement After Valve Body Replacement - (Mar 1, 2021) Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Cadillac ATS Models 2016 2019 All All All ... Read More

2018 - 2019 Corvette: GM TechLink: Delayed Transmission Engagement

Oct 1, 2020 2018 corvette, 2019 corvette, clutch, transmission, gm techlink, 8l90, 8l45, delayed engagement, slipping, harsh engagement 0 0 1908 5/5 (1 Vote)

Delayed Transmission Engagement September 30, 2020GM TechLink Some 2018 - 2019 ATS, CTS, CT6, Corvette; 2018 - 2020 Express; 2018 - 2021 Camaro, Colorado, Silverado, Canyon, Savana, Sierra; and 2021 CT4 models equipped with the 8L45 or 8L90 8-speed... Read More

2015 - 2017 Corvette: Service Bulletin: #16-NA-175: Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at a Steady State

Oct 5, 2017 2015 corvette, 2016 corvette, 2017 corvette, service bulletin, tcc, torque converter, 8l90, 8L45, automatic transmission, #16-NA-175, shake, shudder, light trottle, accleration 0 0 3206 5/5 (2 Votes)

#16-NA-175: Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at a Steady State - (Oct 4, 2017) Subject: Shake and/or Shudder During Light Throttle Acceleration Between 40 and 128 KM/H (25 and 80... Read More

2015 - 2017 Corvette: GM TechLink: Diagnostic Tips for Harsh Shifting Transmission Conditions

Aug 24, 2017 2015 corvette, 2016 corvette, 2017 corvette, service bulletin, gm techlink, harsh shifting, harsh shift, 8l45, 8l90 automatic transmission 0 0 1456 5/5 (1 Vote)

Diagnostic Tips for Harsh Shifting Transmission Conditions June 10, 2017 Harsh shifting conditions and delayed garage shift engagements may be noticed on some 2017 Colorado, Canyon, Express, Savana; 2016-2017 ATS, CT6, CTS, Camaro; 2015 - 2017... Read More

2015 - 2017 Corvette: Service Bulletin: #PIP5437B: 8L45 8L90 Diagnostic Tips for Harsh Shifts and Delayed or Harsh Garage Shift Engagements

May 26, 2017 2015 corvette, 2016 corvette, 22017 corvette, c7 corvette, service bulletin, transmission, 8L45, 8L90, PIP5437B, delayed shift, hard shift, hard shifting 0 1 3359 3.5/5 (2 Votes)

#PIP5437B: 8L45 8L90 Diagnostic Tips for Harsh Shifts and Delayed or Harsh Garage Shift Engagements - (May 22, 2017) Subject: 8L45 8L90 Diagnostic Tips for Harsh Shifts and Delayed or Harsh Garage Shift Engagements Brand: Model: ... Read More

2016 Corvette: Service Bulletin: Delayed Engagement After Sitting With Engine Off

Jun 10, 2016 2016 corvette, transmission, dt-48989, stator shaft, 8l45, 8l90, delayed engagement, #16-NA-014 0 0 1558 0/5 (0 Vote)

#16-NA-014: Delayed Engagement After Sitting With Engine Off - (Jan 21, 2016) Subject: Delayed Engagement After Sitting With Engine Off Attention: This Bulletin also applies to any of the models that may be Export vehicles. ... Read More

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