Shudder

Shudder Or Vibration From The Transmission – 2017-2019 Chevrolet Silverado & GMC Sierra

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2019 Chevrolet Silverado

NHTSA ID Number: 10156952 Manufacturer Communication Number: PIP5541A Summary This Preliminary information communicates to the dealer technician using the PICO scope will aid in determining if the if the engine or transmission is root cause of a vibration or shudder concern.   7 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2017 CHEVROLET SILVERADO 2500 2018-2019 CHEVROLET … Read more

Surge, Chuggle, Fishbite, Shudder Feel During Driving Maneuvers – 2019 Cadillac XT4

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2019 Cadillac XT4

NHTSA ID Number: 10161883 Manufacturer Communication Number: 18NA378 Summary This technical bulletin provides a procedure to replace the fluid cooler exchanger and the torque converter or transmission and torque converter, depending on if the exchanger leaked into the transmission fluid.   1 Affected Product Vehicle MAKE MODEL YEAR CADILLAC XT4 2019   Parts EXCHANGER, A/TRNS FLUID CLG … Read more

Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at a Steady State – 2015-2019 Cadillac Chevrolet GMC

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2018 Chevrolet Corvette

NHTSA ID Number: 10154635 Manufacturer Communication Number: 16NA175   Summary This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 KM/H (25 and 80 MPH) at a steady state. May be described as driving over rumble strips or … Read more

Tachometer Fluctuation, Shudder Sensation – 2012 Buick Chevrolet GMC

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2012 Buick Enclave

NHTSA ID Number: 10071570 Manufacturer Communication Number: PI0919   Summary Customers may comment on while driving at steady speeds, Tachometer needle fluctuation & slight surge sensation. Conditions are typically amplified when driving up a slight grade, with the vehicle heavily loaded, in high ambient temperatures or with the air conditioning on. These are normal operating characteristic.   … Read more

Shake Or Shudder On Acceleration Excessive Engine RPM Fluctuation Between 30 And 65 MPH – 2015-2016 Cadillac Chevrolet GMC

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2016 Cadillac Escalade

NHTSA ID Number: 10125137 Manufacturer Communication Number: PIP5337J   Summary This Preliminary Information communication provides information to the technician on the step to diagnose and repair the vehicles that may have a shake or shudder during light throttle acceleration, between 30 and 65 miles per hour steady state driving. Also shudder feeling that may be described as … Read more