C-24.2, r. 32 - Regulation respecting safety standards for road vehicles

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164. The following are major defects:
(1)  no braking or an important reduction in the braking capacity on 20% or more of the wheels or combination of wheels for a road vehicle, by reason of the absence or inadequate operation of a component of the braking system;
(2)  no braking on a wheel of the single active steering axle where the manufacturer equipped that axle with a braking system or where the road vehicle in question is a tractor truck manufactured after 7 May 1993;
(3)  a crack that extends to the outer edge of the friction surface or on another part of a drum or disc;
(4)  when the brakes are applied, a segment, bolt on rivet of the brake lining that touches the friction surface of the drum or disc;
(5)  one of the components of the system that is insecurely mounted, missing, crimped, damaged, deteriorated or worn in a way that considerably reduces the good working order of the brakes; and
(6)  20% or more of the wheels or combination of wheels for a road vehicle are contaminated by oil or grease on the friction surface of a drum, disc or brake linings or are deeply rusted on both sides of the friction surface of a disc.
O.C. 1483-98, s. 164; 370-2016O.C. 370-2016, s. 80.
164. The following are major defects:
(1)  no braking or an important reduction in the braking capacity on one wheel or a combination of wheels for a road vehicle with 2 axles or on 2 single wheels or 2 combinations of wheels for a vehicle with 3 axles or more, by reason of the absence or inadequate operation of a component of the braking system;
(2)  no braking on a wheel of the single steering axle where the manufacturer equipped that axle with a braking system or where the road vehicle in question is a tractor truck manufactured after 7 May 1993;
(3)  a crack that extends to the outer edge of the friction surface or on another part of a drum or disc;
(4)  when the brakes are applied, a support on rivet of the brake lining that touches the friction surface of the drum or disc; and
(5)  one of the components of the system that is insecurely mounted, missing, crimped, damaged, deteriorated or worn in a way that considerably reduces the good working order of the brakes.
O.C. 1483-98, s. 164.