Hey guys

I having problems whit my 97 sunfire back brakes

i keep going to the stupid garage to try to get it fix but they can t find the problem ....damm mecanics..

anyway i already change the drums on them and the problem is still there ..my brakes

are ok

anyway the problem is when i brake my car vibrates .....and also when i brake and i hit a bump my back left weel locks till it gets back on the pavement


anybody can help me here please


thanks