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V.3.2.1 The Steering Wheel must be mechanically connected to the front wheels.
V.3.2.2 Electrically actuated steering of the front wheels is prohibited.
V.3.2.3 Steering systems must use a rigid mechanical linkage capable of tension and compression loads for operation
V.3.2.4 The steering system must have positive steering stops that prevent the steering linkages from locking up (the inversion of a four bar linkage at one of the pivots). The stops may be placed on the uprights or on the rack and must prevent the wheels and tires from contacting suspension, bodywork, or Chassis during the track events.
V.3.2.5 Allowable steering system free play is limited to seven degrees (7°) total measured at the steering wheel.
V.3.2.6 The steering rack must be mechanically attached to the Chassis
V.3.2.7 Joints between all components attaching the Steering Wheel to the steering rack must be mechanical and be visible at Technical Inspection. Bonded joints without a mechanical backup are not permitted.
V.3.2.8 Fasteners in the steering system are Critical Fasteners, see T.8.2
V.3.2.9 Spherical rod ends and spherical bearings in the steering must meet V.3.1.5 above
V.3.2.10 Rear wheel steering may be used.
a. Rear wheel steering must incorporate mechanical stops to limit the range of angular movement of the rear wheels to a maximum of six degrees (6°).
b. The team must provide the ability for the steering angle range to be verified at Technical Inspection with a driver in the vehicle.
c. Rear wheel steering may be electrically actuated.