The office of defect investigation (ODI) opened preliminary evaluation, PE05-054, based on 131 vehicle owner questionnaires related to alleged rear coil spring fractures.since opening the investigation there have been an additional sixty-three (63) complaints alleging rear coil spring fracture.an analysis of the vehicle owner questionnaires (voqs) submitted to ODI reveals that 42% of the complainants allege that the adjacent tire was punctured as result of a rear coil spring fracture. Additionally, an analysis of the complaint data received by ODI from Ford reveals the following: There were a total of 553 unique vehicle complaints of coil spring fracture. 30% of the complaints allege that the rear coil spring fracture resulted in the adjacent tire being punctured. An engineering analysis (EA06-002) is being opened to further examine the potential safety implications of the rear coil spring fractures as related to tire punctures.
