| 摘要 |
A bush mounting structure of an aluminum rear lower arm is provided to prevent a bush from running idle by forming a contact portion in a coupling portion and by increasing contact area of the contact potion and an outer circumferential surface of the bush. A bush mounting structure of an aluminum rear lower arm comprises a pair of coupling portions(75) into which a bush of an aluminum rear lower arm is fitted. Contact portions(90) with a predetermined area are formed in the coupling portions so as to increase an area contacted to an outer circumferential surface of the bush. |
