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JT58 · 01-25-2018, 06:12 AM

This is exactly what my car is doing- the RPM's go up and down as the converter tries to lock up. The RPM's go up and down 200 RPM constantly and when the trans is hot and it does it, it is the "shudder" problem. I had the transmission flush done- which a good dealer will do as the first step. Next step is replacement of the torque converter. I am carefully monitoring my car after the flush- it is way better but the RPM's still go up and down 50 RPM. I am not sure if it is normal- guys with the A8- how steady are your RPM's when in 8th gear going steady highway speeds- does your tach needle stay steady or does it move up and down- even a little bit?

01-25-2018, 06:12 AM	#3
JT58 Drives: Former 2016 Camaro 1LT Join Date: Jan 2017 Location: Naples, FL Posts: 760	This is exactly what my car is doing- the RPM's go up and down as the converter tries to lock up. The RPM's go up and down 200 RPM constantly and when the trans is hot and it does it, it is the "shudder" problem. I had the transmission flush done- which a good dealer will do as the first step. Next step is replacement of the torque converter. I am carefully monitoring my car after the flush- it is way better but the RPM's still go up and down 50 RPM. I am not sure if it is normal- guys with the A8- how steady are your RPM's when in 8th gear going steady highway speeds- does your tach needle stay steady or does it move up and down- even a little bit? __________________ 2006 C6 Corvette Manual, 2019 Silverado, 1997 Jeep Wrangler