help

[dj_wudgey]

ok rear brakes lock when i jump on them!! tried the drums pistons ect ect still got no beter has any one had this before?? im thinking its a fault with the master cylinder but want to check before i change it!!

thanks!!

does nobody know what it could be??

[ant_tay]

are any of the front calipers stuck thats what caused it on my old nova