Chrysler Tech Tip: Highway Speed Vibration Caused by Tinnerman Nuts

Chrysler Tech Tip: Highway Speed Vibration Caused by Tinnerman Nuts

The customer may experience vehicle vibrations which are commonly felt in the steering wheel. A number of vehicles may have been shipped with wheels that do not have the relief cut to accommodate the Tinnerman push nuts used during vehicle assembly.

MODELS:
2010 Challenger
2010 300/Charger

NOTE: This bulletin applies to sales code (WP6 and WPI) built after April 17, 2009 (MDH0417XX) and before May 27, 2010 (MDH0527XX) and sales code (WPT) built after September 24, 2009 (MDH0724XX) and before July 07, 2010 (MDHO707XX).

SYMPTOM/CONDITION:
The customer may experience vehicle vibrations which are commonly felt in the steering wheel. A number of vehicles may have been shipped with wheels that do not have the relief cut to accommodate the Tinnerman push nuts used during vehicle assembly. Dealers are required to remove all four wheels to remove and discard the Tinnerman push nuts that are used during initial vehicle assembly at the plant.

DIAGNOSIS:
If the vehicle operator experiences the symptom/condition, perform the repair procedure.

REPAIR PROCEDURE:
1. Raise the vehicle and remove all four wheels.
2. Using side cutters, remove and discard the Tinnerman nuts/washers.
3. Following the procedure outlined on DealerConnect, reinstall the wheels and torque lug nuts to 150 Nm (110 ft lbs).

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