Isa din yan. Pro check mo slack adjuster at component ng brake. Hnd hnd ngbabawas ang hangin pgngbrake k o nghandbrake ibig sabihin wlang air leaking pgngbabawas my air leak, pro ang sabi mo ngbabasiyo, tawag dyan imbalance brake my stock up, check mo slack adjuster at mga brake lining mo at ung pin at spring din. Tnx