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  #1  
Old 05-21-2011, 11:00 PM
2011redrt 2011redrt is offline
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Default Low RPM / MPH Vibration?

Has anyone experienced a low RPM / MPH vibration? If I am driving at 30-35 MPH and try to ease into the gas the truck will shake until I push considerably on the gas pedal. I realize these trucks were built to drive but there are times I just like to cruise around but it makes for a very uncomfortable drive. I was reading about the RT having a different torque converter on the 09 but was not sure if they continued that same design on through the years. Any feedback would be great.
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Old 05-22-2011, 04:43 PM
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I have the same thing and hate it. I think it is the MDS kicking in with the torque converter and shifting into high gear too early, which all results in a drive-train shudder.

I am waiting for either Dodge to come up with a fix for the TCM (I have heard they are working on this to change when the MDS kicks in at slow speeds) or the Diablo tune to shut the damn MDS off!
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Old 05-22-2011, 06:58 PM
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Just run it in 5 at slower speeds til they come up with a flash.Works for me........JB.
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Old 05-26-2011, 04:21 AM
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Quote:
Originally Posted by 6t6gto View Post
Just run it in 5 at slower speeds til they come up with a flash.Works for me........JB.
I have done this a couple of times and it works well. I just wish it had the correct tune in it, problem solved! Anyway, thanks for the replies.
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Old 05-26-2011, 09:47 AM
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Just got mine fised by the dealer doing this TSB .......JB.
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Old 05-28-2011, 01:36 AM
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Welcome to the world... of third gear shutter.
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Old 05-28-2011, 08:24 PM
2011redrt 2011redrt is offline
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Did it fix the problem?
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Old 05-28-2011, 08:46 PM
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Yep.......several others on here has had it done since I posted this.....JB.
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Old 06-01-2011, 02:38 AM
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Thanks. I plan on going in this week.
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Old 06-09-2011, 06:13 AM
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I had the update installed and thought it was better but after a day of driving it's the same. Some one else on here has posted they had to have their torque converter changed. I went back to the dealer yesterday morning and had the shop manager go for a ride. between 35 - 40 it is real bad and it did it the entire time he was with me. It is scheduled to go back in on Monday to do some more checking. He thinks it might be the converter or MDS. I was a certified ASE mechanic for a few years, I think it is the converter not wanting to release. We shall see. My Belltech kit is scheduled to be delivered around the 13th so I want to have something done by the middle of the month if possible. Pinion angle and driveline shutter are to close to mess with and try and argue what was first, the shutter or the drop.
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