Guhitamo tekinike ya gari ya moshi igena imiterere rusange yimiterere ya moteri kandi igira ingaruka zikomeye mubwubatsi bwayo. Byinshi muburyo bwo gukwirakwiza gazi ya moteri ikoresha uburyo bubiri bwo kohereza umukandara w amenyo hamwe nikoranabuhanga ryohereza urunigi. Guhitamo uburyo bwiza bwogukwirakwiza valve kubisabwa byihariye bigomba gushingira ku gusuzuma intego zisobanurwa kurwego rwa sisitemu ya moteri, no gusuzuma byimazeyo igihombo, imbaraga z'umunaniro, kubungabunga, hamwe nimpinduka mugihe cya valve mubuzima bwa serivisi , imikorere ikora, ibiranga acoustic, ubuziranenge, umwanya wo kwishyiriraho nigiciro cyo gukora nibindi bintu.
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Uburyo bwo gukwirakwiza gaze bugira ingaruka ku buryo butaziguye ikoreshwa rya lisansi ya moteri binyuze mu gutakaza kwayo, bityo igishushanyo mbonera gike cyo gukwirakwiza gaze kiragenda kiba ingenzi. Ugereranije nu munyururu wigihuru hamwe nuruhererekane rwuruziga, urunigi rwinyo rwerekana ubusembwa bunini.
Iyo uburebure bwa moteri bugomba kuba bugufi, gutwara urunigi biruta gutwara umukandara; moteri nyinshi za lisansi na moteri zimwe za mazutu zikoresha hydraulic camshaft icyiciro cya fagitire, kandi gutwara urunigi hamwe no gutwara umukandara utose ni gahunda yo gukwirakwiza gazi ihenze cyane. Umukandara wumukandara urashobora kugera kumurongo wigihe kinini mugihe cyubuzima bwa serivisi, bizarushaho kuba ingenzi kumyuka ihumanya ikirere no gukoresha lisansi. Bitewe numuvuduko mwinshi kandi mwinshi wo gutera inshinge, torque ya pompe yatewe lisansi ningirakamaro cyane kumukandara numunyururu. Ubuzima bwa serivisi burakomeye.
Kugirango ugere ku rwego rwiza rwa NVH, guterana no gukora neza, birakenewe gushushanya witonze no guhuza imiterere yumukandara, ariko ntaho bihuriye nubwoko bwikwirakwizwa rya valve, bityo hazakomeza kubaho impagarara hagati yo gutwara umukandara no guhatanira gutwara.
