Kubera ko ubwoko bwose bwa pulley budahinduka, Kubwibyo, ni ngombwa gukoresha gusa ubwoko bwa pulley bwashyizwemo imodoka.Kubwibyo, niba ikinyabiziga gisaba impanuka zikomeye, OWC cyangwa oad, hagomba gushyirwaho pulleys yicyiciro kimwe.Kimwe nibindi bice byose, hejuru ya alternator pulleys ntabwo bizahoraho (abatekinisiye bazasimbuza byinshi kandi byinshi).Impuzu zambarwa zirashobora gutera kunyeganyega muri sisitemu yo gutwara umukandara kandi mubisanzwe bitera kwangirika.