Trans 305.29(4)(4) The power steering unit shall be in proper working condition. No portion of a power steering unit or steering linkage may be disconnected. The power steering unit shall contain the proper fluid levels. All hoses and connections shall be in proper working condition and will have no leaks or visible cuts or cracks.

Trans 305.29(5)(a)(a) Every motor vehicle shall be equipped with a steering wheel the same size as the one with which the vehicle was manufactured or a replacement not less than 13 inches in diameter. Every homemade and reconstructed vehicle registered after January 1, 1975, shall have a steering wheel of not less than 13 inches in diameter.

Trans 305.29(5)(b)(b) All steering wheels shall be in proper working condition. The steering wheel shall be secured to the steering shaft by a locking device which prevents accidental removal. All steering wheels will be positioned to be operated with the driver seated in the front seat.

Trans 305.29(6)(6) All springs, shackles and cross stabilization linkage, including torsion bars, shall be in proper adjustment and may not be loose, disconnected or broken.

Trans 305.29(7)(a)(a) Every motor vehicle originally manufactured with shock absorbing devices and every homemade and reconstructed vehicle registered on or after January 1, 1975, shall have shock absorbing devices which function at suspension points.

Trans 305.29(7)(b)(b) All shock absorbing devices shall be in proper and effective working condition, free of leaks, and securely attached to the unit mountings. The mountings and housings may not be loose or weakened. Shock absorbing devices are ineffective when the vehicle continues a free rocking motion for more than 2 cycles. The inspection procedure for shock absorbing devices is as follows: With the vehicle on a level surface, push down on one corner of the vehicle and release. Note the number of cycles of free rocking motion. Repeat the procedure at the other corners of the vehicle.

Trans 305.29(8)(8) Extended shackles in excess of 2 inches beyond original manufacturer’s specifications is an unsafe modification and may not be used. Extended shackles up to 2 inches shall provide the same level of support and stability as provided by original equipment.

Trans 305.29(9)(9) No vehicle may be operated noticeably out of alignment.

Trans 305.29 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96; am. (2), (6) and (7) (b), Register, October, 1997, No. 502, eff. 11-1-97.

Trans 305.30(1)(1) The tires and rims on every vehicle shall be maintained in proper condition and in conformity with this section and s. 347.45, Stats.

Trans 305.30(2)(2) Every tire shall have at least 2/32 inch tread depth in every major tire groove measured at 2 points no less than 15 inches apart.

Trans 305.30(3)(3) The tires on any vehicle required to have fenders may not protrude more than 2 inches beyond the fender line at the highest point of the tire. The measurement shall be from the original fender line of the vehicle as equipped by the original manufacturer.

Trans 305.30(4)(4) Weight imposed on the tires or rims may not exceed that weight which is specified by the manufacturer of the tires or rims.

Trans 305.30(5)(5) No vehicle may have tires of different size or construction on the same axle, or directly across from each other on vehicles without a common axle, except that this subsection does not prohibit the use of mini spare tires temporarily used in accordance with manufacturer’s specifications or other spare tires and rims that are temporarily used.

Trans 305.30(6)(6) No tire shall be repaired using a method not recommended by the manufacturer and there may not be tread or sidewall cuts or snags in excess of one inch in any direction as measured on the tire, deep enough to expose or damage the body cords, nor may there be any bump, bulge, knot, sidewall separation or failure or partial failure of the tire structure.

Trans 305.30(7)(7) No tire may be used that has been stamped or marked in such a manner so as to indicate that such tire is not to be operated on a highway.

Trans 305.30(8)(8) The rims may not be damaged, dented, bent or otherwise distorted, rusted or corroded.

Trans 305.30(9)(9) No rim may have loose or missing nuts, lugs or bolts.

Trans 305.30 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96; am. (2) and (3), Register, October, 1997, No. 502, eff. 11-1-97; am. (2) and (3), Register, October, 1997, No. 502, eff. 11-1-97.

Trans 305.31(1)(1) Modifications authorized by s. 347.455, Stats., may not cause the front or rear bumper height of any vehicle to be altered more than the distance allowed by s. 347.455, Stats., from the original height of the bumper as specified by the vehicle manufacturer. Four wheel drive vehicles and motor trucks with a gross weight of not more than 8,000 pounds may not be modified so as to cause the vehicles to ride more than a total of 9 inches above the height of the vehicles specified by the manufacturer combining alterations under s. 347.455 (2), Stats., and changes in tire size under s. 347.455 (3), Stats. In the absence of manufacturer’s specifications, every bumper shall meet the height standards established by s. Trans 305.18 (2) (a).

Trans 305.31(2)(2) Changes in the height of a vehicle shall be measured from the level surface on which the vehicle stands to any part of the vehicle. When measuring to a part of the vehicle body, consideration shall be given to specific modifications allowed by s. Trans 305.21 (3) in addition to alterations allowed by s. 347.455, Stats.

Trans 305.31(3)(3) The manufacturer’s specified height of any part of a vehicle may be determined from the data published by the manufacturer or other manufacturer publications, such as the owner’s manual, or by comparison with a similar model vehicle as normally delivered by the manufacturer.

Trans 305.31(4)(4) No person may operate any vehicle which has a fixed part of the vehicle located in a position that would contact the road surface before the rim in the event of tire failure.