General Repair Information
To perform a problem-free and successful steering gear repair, extreme caution and cleanliness, as well as properly functioning tools are an important requirement. The usual basic safety precautions also, naturally apply when carrying out vehicle repairs.
A series of applicable general notes for individual repair procedures - otherwise listed several times at many points in the service information- has been collected here. They apply to this service information.
Refer to Self Study Program No. 317; The Electromechanical Power Steering Design and Function for a complete description of the structure and function of the electromechanical power steering system.
Before performing repairs on the electromechanical steering gear, determine the cause of the damage as closely as possible using the Vehicle Diagnostic Tester in the "Guided Fault Finding" , "Vehicle Self-Diagnosis" and "Measurement" modes.