Troubleshooting car problems of steering wheel shakes
Steering wheel vibration or shaking of the steering wheel during brake application is an indication of a problem mainly on the car front end. Since the steering wheel vibration occurs only during braking therefore it is safe to assume that the problem is related to the front brakes. More often this kind of problem is usually cause of a misalignment between the front pad and the disc.
As you may know, the front brakes are connected to the steering wheel by means of the front end, so when there is a problem on the front brakes it can easily be identified through the behavior of the steering wheel, as in this case is the shaking of the steering wheel or steering wheel vibration during braking.
Because the brake pad and the brake disc is misaligned, it will results to uneven contact between each components when brake is apply, the uneven contact will produced vibration. The vibration will then be transferred to the steering wheel and con be noticeable especially when braking. Usually misalignment occurs because of warped front disc, however other possible reason is a worn out or loose front wheel bearings.
Possible cause of steering wheel shakes while braking
Warped Front brake Disc or Loose/Worn Out Front Wheel Bearings.
How to fix steering wheel shakes
Bring the car to a reputable auto repair shop and ask a mechanic to first check your car front wheel bearing for any looseness or wear, if the result is good, then the possibility is that the problem is a warped brake disc. Have the brake disc machined to fix the problem.
However, when your brake disc is machined, it is necessary to replace your brake pads so that it will mate and align to the brake disc, this will fixed the steering wheel vibration when braking.