When General Motors changed suppliers in the 2008 model year for front lower control arms, the critical suspension piece from Iroquois Industries did not meet specifications and is now the cause of a recall on all Chevrolet Impala police cars built during the last four years.
A broken control arm can cause loss of control and a crash, GM said in the required NHTSA filing. Civilian Impala models are not affected by the safety defect, which will require the expensive replacement of both of the front lower control arms free of charge as required by U.S. regulations. More than 36,000 Impala police cars are affected by the safety recall.
