What is causing a knocking sound when I apply the brakes? on 1994 GMC Safari

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
The knocking sound only seem to be heard from under the back of my van whenever I slow down and come to a complete stop. There is no sound after I stop nor after I resume driving. Sometimes the knock is slow and and rapid. The sound is frequent.
(2) Answers
| |
brake drums out of round as stated
| |
Warped brake drum or rotor comes to my mind.
Qualified Local GMC Shops
Qualified GMC Shops For This Repair