Installation Manual

TrekStep™ – Installation Instructions
Rev. C 0810 75301 pg. 2
Parts List and Hardware Identi cation
Locate Rear Bumper Attachment
Remove Rear Bumper Fasteners
Running Board Assembly,
Part Number 476.24, Qty - 1
Left End Cap,
Part Number
460.83, Qty - 1
Right End Cap,
Part Number
460.82, Qty - 1
T-Nut Insert, Part
Number 460.84,
Qty - 2
M6 Nut Plate,
Part Number
460.86, Qty - 2
M6-1.0 x 10mm Socket
Cap Screw, Part Number
460.85, Qty - 2
Linkage Assembly,
Part Number 476.01,
Qty - 1
Mounting Bracket, Part
Number 476.26, Qty - 1
Spacer, Part Number
476.25, Qty - 1
(Not Used on HD Trucks)
M10-1.5 x 35 Socket
Cap Screw, Part Number
475.98, Qty - 2
(2500 & 3500 HD Only)
Locate the rear bumper attachment point on the driver’s side of the vehicle.
Remove the bumper fasteners. Set them aside to be reused.
M6-1.0 x 20 Socket Cap
Screw, Part Number
470.00, Qty - 3
M10-1.5 x 80 Socket Cap Partial Thread Screw, Part
Number 475.95, Qty - 2 (Not Used on HD Vehicles)