48 Replacement of steering after accident damage · A. Fundamentals B. Assessmentof the steering

911 Carrera (996) Steering 48 Replacement of steering after accident damage A. Fundamentals B. Assessmentof the steering of a vehicle involved in an accident Various kinds of damage can be caused to the steering gear in the event of accidents or The steering gear can remain in the vehicle if driving conditions resembling accidents. all the following conditions are met: In cases where the steering gear shows no external damage it can be difficult and costly No visible damage to such front-axleparts as to detect damage. Nevertheless, this damage wheel rims, spring struts, wheel carriers, control represents an unacceptable risk for the vehicle, arms, steering arms, track rods, front-axle since it could lead to failure of the steering cross member, front-axle side members,the system. steering shaft or to the points on the body where wheel suspensionparts are bolted on. Since a comprehensivecheck on all individual parts of the steering gear would not make No impermissiblerise in torque and no jamming sense, as a rule, and is not possible using the or catching when the steering gear is turned ordinary means of a workshop, instead the from stop to stop. Whenthe steering is turned, condition of other components that are easier the front.wheels must be free (front axle raised) to check should be considered. and, in addition, the engine must be switched off (pump of power steering undriven). The following guidelines(section B) serve for a decision on whether the steering gear of a The permissibletolerances for wheel alignment vehicle involved in an accident should be must not be exceeded. replaced or may continue to be used. The steering gear must be repaired or re- placed if one of the following points applies: Visible or detectable damage to the steering gear. Fire damage (e.g. steering bellows burnt).