United States 92V015000
Chrysler (FCA US, LLC)
The problem
THE ZINC PLATING OPERATION PERFORMED ON THE UPPER STEERING COLUMN SHAFT COUPLING BOLT CAUSED HYDROGEN EMBRITTLEMENT AND BREAKAGE OF THE BOLT.
Risk
FRACTURES OF THE UPPER STEERING COLUMN SHAFT COUPLINGBOLT RESULT IN A LACK OF COUPLING LOAD ON THE SHAFT AND LOSS OF STEERINGCONTROL.
What owners should do
REPLACE THE ZINC PLATED BOLT WITH A PHOSPHATE PLATED BOLT.
Units 20000