have the calipers check out, one could be hanging up, it could be one side or the other or both, try to feel which side is making it shimmy, and have that caliper checked. would say the tires were out of balance but you say it only happens when you are braking.

Answered by M_H_RITZEL (expert)
2,685 answers provided

Thanks I'll have my mechanic check it out.

Response from justright6981
3 questions asked