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The movement is the flex plate flexing until the converter bottoms in the crankshaft. Bulletin Title: #PIP5337J - Shake Or Shudder On Acceleration - (Nov 17, 2017) ... 8L90 Automatic Transmission RPOs M5U. Torque Converter went bad, just as the TSB said. Bulletin No. Need some insight. Just a quick update in case anyone has a similar issue and stumbles upon this thread. The torque converter design, with a turbine damper, complements performance with excellent refinement at low engine speeds. ProTorque Converters: 631-218-8700: Does anyone know if the 6 and 8 speeds use the same converter? Back in 2014, this blog predicted a variety of problems related to then upcoming 8l90 transmission, one of those sounding on paper ideas, as long as the execution delivers on the promises.So Performance Built Chevy 6L90 Transmission Sale. Shudder I have seen the TSB 16-NA-175 related to shudder for 8 speeds but have been unable to find anything on the 6 speeds. : PIP5337D Date: Jun-2016 Subject: Shake Or Shudder On Acceleration Excessive Engine RPM Fluctuation Between 30 And 65 MPH Models: 2015 - (Animation) - Duration: 4:25. The dealer did the TSB (PIP5337A dated Jan. 22, 2016) double ATF flush and replace trans filter on my 2015 Sierra Denali 6.2L w/8-sp trans. August 20, 2014 Keyser Cadillac has been great in all my experiences with them. ... engine torque torque converter How Torque Converters Work! 8L90 (M5U, M5X) 8L45 (M5T, M5N) Chevrolet GMC Involved Region or Country North America, N.A. The Hydra-Matic 6L90E transmission was introduced by GM to handle the increasing power of 2015 Corvette Stingray eight-speed automatic: First drive Faster shifting, lighter weight Corvette gearbox goes the torque converter route. a6va b6va mpoa aoya boya apx4 apxa baxa maxa mdwa mpja transmission lock-up solenoid replaces 28300-px4-014 fits '90-'02 honda & acura The 8L90 8 Speed Automatic Transmission is on exchange through GM PQC as part of ... Service Update Bulletins N150389 15389 TORQUE CONVERTER CLUTCH (TCC) SHUDDER shudder engine transmission built prior rpos automatic information fluid following vehicle conditions throttle driving drive mode torque test operation disabled enabled input speed confirm vibration concern converter Instant Shudder Fixx A concentrated friction modifier formulated specifically for INSTANTLY eliminating torque converter lock-up shudder Home Forum Chevrolet 2017 Chevy Silverado LTZ 6.2/8-Speed (Shudder in steering wheel between ... will get a shudder that I ... the torque converters 2015 silverado torque converter problems,2015 silverado torque converter problems ... 2012 Page 3 of 10 Torque Converter Shudder Required ... All-New 8L90 8 This new line of converters is specifically designed for power adder cars with NOS, small turbo, or superchargers. Thomas Schwenke 2,139,213 views 4:25 Torque Converter issue solved - Duration: 7:44. DR. TRANNY. Rely on ProTorque for the best Torque Converters for all your racing and performance torque converter needs.