Assist Step Replacement (Sierra Denali-RPO BVP)

Assist Step Replacement (Sierra Denali-RPO BVP)

Removal Procedure




1. Remove the retainers from the splash guard.
2. Remove the splash guard from the Front Lower Fender.




3. Remove the retainer (3) attaching the assist step bracket (4) to the lower front fender.




4. With an assistant remove the retainers (3) from where the vertical mounting brackets (1) attached to the inner rocker panel.
5. Remove the front assist step from the vehicle.




6. Remove the retainers (1) from the rear assist step splash guard.




7. Loosen the retainers (4) at the cross sills (5) attachments.
8. With an assistant remove the bolts (3) and the threaded plates (1) from the cross rails (5).

Important: Care must be taken not to scratch or dent pickup box when removing or installing assist step assembly.




9. Remove the Rear Assist Step Assembly (1) from the vehicle.
10. Remove the retainers from the rear splash guard (2).
11. Remove the rear splash guard from the vehicle.
12. Ensure all areas are free from dirt or adhesive prior to installation.

Installation Procedure

Important: Install in an environment that is free from dust or dirt. Dust or dirt could come into contact with the adhesive surface and prevent proper adhesion. The surface should be 21°C or 70°F for proper adhesion.

Important: Assist Steps must be installed front to rear due to alignment issues.




1. Install the splash guard to the Front Lower Fender.
2. Install the retainers to the splash guard.
3. Align splash guard with wheel well.
4. Remove the protective backing from the adhesive tape while pressing to ensure contact with fender.




5. With an assistant install the front assist step assembly to the vehicle.




6. With an assistant install the retainer (3) attaching the assist step bracket (4) to the lower front fender.




7. With an assistant install the retainers (3) from where the vertical mounting brackets (1).
8. Adjust the clearance between the rocker panel and the assist step to 6 - 10 mm. Check clearance only after the last vertical mounting bracket area.
9. Tighten the assist step fasteners to 20 N.m.




10. Install the threaded plates (1) into the open end of the cross rails (5) ensuring that the holes in the cross sills align to the threaded plates.
11. With an assistant install the rear assist step assembly to the vehicle.
12. Install the retainers (3) and make adjustments by adding shims.
13. Tighten the threaded plate retainers (3) to 20 N.m.
14. Tighten the retaining bolt (4) to the cross sill to 9 N.m.
15. Ensure proper alignment of front rear assist steps after tightening all retainers.




16. Install retainers (1) to splash guard.
17. Remove protective film to attach assist step splash guard to rear wheel well.




18. Install the rear splash guard.
19. Install the retainers.
20. Align the splash guard to the wheel well.
21. Remove the protective film and press firmly to secure to the wheel well surface.