NHTSA (USA)Critical
1992 CHRYSLER NEW YORKERNHTSA Campaign #92V015000
Defect
THE ZINC PLATING OPERATION PERFORMED ON THE UPPER STEERING COLUMN SHAFT COUPLING BOLT CAUSED HYDROGEN EMBRITTLEMENT AND BREAKAGE OF THE BOLT.
Safety Risk
FRACTURES OF THE UPPER STEERING COLUMN SHAFT COUPLINGBOLT RESULT IN A LACK OF COUPLING LOAD ON THE SHAFT AND LOSS OF STEERINGCONTROL.
Remedy
REPLACE THE ZINC PLATED BOLT WITH A PHOSPHATE PLATED BOLT.