题目:福田汽车底盘异响、方向不稳诊断维修方案设计目录1.问诊试车.........................................................................................................................11.1车辆信息...............................................................................................................11.2故障现象...............................................................................................................11.3故障确认...............................................................................................................12.故障原因分析.................................................................................................................12.1故障来源判断.......................................................................................................12.2故障原因分析.......................................................................................................13.维修工作要求.................................................................................................................23.1基本要求...............................................................................................................23.2操作前要求...........................................................................................................23.3操作中要求...........................................................................................................23.4操作后要求...........................................................................................................24.诊断流程方案设计及实施.............................................................................................24.1直线行驶跑偏、有异响诊断流程........................................................................24.2诊断方案实施.......................................................................................................34.3排除故障...............................................................................................................64.4修复验证...........................................................................................