First of all, we must take into account that overhaulengine implies its complete disassembly, so you need to take care of a clean workplace in a timely manner, it's better to work on a detached engine without attachments.
Okokuqala, kumelwe uqaphele ukuthi injini kulungiswe kuhilela disassembly wako, ngakho isidingo esifike banakekele emsebenzini ahlanzekile, umsebenzi ukwenza kangcono kwi injini ekhishiwe ngaphandle nezinamathiselo.