Powertrain Vibration

[craiglf]

I have a Charger with 6000 miles on it. About 200 miles ago I noticed a vibration in the seats, floorboards, and steering wheel. It is not a shaking, feels like the powertrain such as the driveshaft. Anyone else have something similiar? Thanks

[wheelife]

Welcome to LXfrorums.. craiglf, just a wild guess, sounds like a problem I have had with other euro cars.. My guess would be the guibo joint is failing.

[fnkychkn]

possible transmission/torque converter shudder.

TSB 21-003-06

SUBJECT:

Dipstick Tube Seal May Leak Causing ATF Contamination Or Transmission Shudder/Buzz

OVERVIEW:

This bulletin involves tests to be performed on the transmission to determine the integrity
of the transmission oil fill tube seal. Dependent upon test results: the oil tube seal will
require replacement, the transmission may require a flush procedure, and/or the
transmission torque converter may require replacement.

MODELS:

2005 - 2006 (LX/LE) 300/Magnum/Charger

NOTE: This bulletin applies to LX/LE vehicles equipped with a NAG1 transmission
(sales code DGJ) that were built prior to December 2005 with a
TRANSMISSION build date of July 08, 2005.

SYMPTOM/CONDITION:

Water may leak past the transmission oil fill tube (dipstick tube) seal. Dependent upon the
amount of water accumulation in the transmission oil, the customer may experience a
transmission shudder vibration and/or an audible high frequency buzz-like sound. The
shudder vibration or buzz-like sound may be most noticeable during light acceleration
where partial application of the torque converter clutch (TCC) in 3rd, 4th, or 5th gear
occurs.
The shudder/buzz condition may be due to the torque converter clutch and a “stick-slip”
condition caused by contaminated transmission oil/fluid. The transmission fluid
contamination may be caused by water intrusion past the transmission fill tube seal.