Download 2019 Acura MDX Rear Step Boards Installation Instructions – 1. Remove the one clip and two self-tapping screws from the left front inner fender. 2. Remove the one clip from the left enclosure. 3. Remove the two self-tapping screws from the left rear inner fender. 4. Open the both left doors. 5. Gently pull the front portion of the left side sill panel away from the body, and slide the panel forward to remove it. The 17 side clips will stay in the body. 6. Remove the support from the vehicle left side sill panel (one clip).
7. Get the left side sill from the kit. Transfer the support to the accessory left side sill with the one clip. 8. Remove the one nut from the vehicle left side sill panel and transfer it to the accessory left side sill. 9. Remove the 17 clips from the vehicle panel. 10. Install 14 of the clips removed in step 9 to the accessory left side sill. 11. Close both left doors. 12. Loosely install the left rear step board to the vehicle panel using four flange bolts. 13. Torque the four flange bolts in the order shown to 20 lb·ft (27 N·m). 14. Open the both left doors.