TAC 3" Oval Bent End Sidebars Installation Instructions

Part #: 3S-19C106TN

Compatible Vehicles: 2019-2024 Chevrolet Silverado/GMC Sierra 1500 Crew Cab, 2020-2024 Silverado/Sierra 2500/3500 Crew Cab

Manufacturer: TAC Truck Accessories Company

Parts List

Qty Description Qty Description
1 Driver/Left Sidebar 16 8mm x 30mm Hex Bolts
1 Passenger/Right Sidebar 16 8mm Lock Washers
8 Mounting Brackets 16 8mm x 24mm OD x 2mm Flat Washers
16 8mm x 25mm Combo Bolts

Diagram Description: Illustration showing eight mounting brackets, each with multiple attachment points.

Diagram Description: Illustration of the Passenger/Right Sidebar with an arrow indicating the 'Front' direction.

Installation Procedure

IMPORTANT: REMOVE CONTENTS FROM BOX. VERIFY ALL PARTS ARE PRESENT. READ INSTRUCTIONS CAREFULLY BEFORE STARTING INSTALLATION. ASSISTANCE IS RECOMMENDED.

  1. Start the installation under the Passenger/Right side of the vehicle.

    • For "Early” 2019 models, locate the 6 plugs along the bottom edge of the body. Mounting Brackets will bolt to the 1st, 3rd, 4th and 6th threaded mounting holes. (See Figure 1 description below).

    • For “Late” 2019 models, all (4) mounting locations will be used.

    Figure 1 Description: Diagram showing the underside of the vehicle rocker panel with indicated mounting hole locations for early 2019 models. Arrows point to the specific threaded holes on the vehicle body where mounting brackets will attach.

  2. Remove the plastic plugs from the Passenger/Right front mounting location. Select (1) Mounting Bracket. Attach the Mounting Bracket to the factory threaded holes with (2) 8mm Hex Bolts, (2) 8mm Lock Washers and (2) 8mm Flat Washers. Do not tighten hardware at this time. (See Figures 2 & 3 descriptions below).

    Figure 2 Description: Image showing the removal of plastic plugs from the vehicle's rocker panel to expose threaded mounting inserts.

    Figure 3 Description: Diagram illustrating the attachment of a mounting bracket to the vehicle's threaded mounting location using hardware: (2) 8mm Hex Bolts, (2) 8mm Lock Washers, and (2) 8mm Flat Washers. The hardware is not fully tightened at this stage.

  3. Repeat Steps 1 & 2 to attach the 2nd, 3rd and Rear Mounting Brackets along the rocker panel. Do not tighten hardware at this time. (See Figures 4-7 descriptions below).

    Figure 4 Description: Image showing the specific mounting location at the front of the Passenger/Right side of the vehicle's rocker panel.

    Figure 5 Description: Image showing the 2nd mounting location on the Passenger/Right side of the vehicle's rocker panel.

    Figure 6 Description: Image showing the 3rd mounting location on the Passenger/Right side of the vehicle's rocker panel.

    Figure 7 Description: Image showing the rear mounting location on the Passenger/Right side of the vehicle's rocker panel.

  4. Select the Passenger/Right Sidebar. Carefully place Sidebar on the brackets. IMPORTANT: Do not slide or rotate Sidebar on cradles, or damage to the finish may result. Attach Sidebar to the Mounting Brackets with (8) 8mm Combo Bolts. Do not tighten hardware at this time. (See Figure 8 description below).

    Figure 8 Description: Diagram showing the Passenger/Right Sidebar being attached to the installed mounting brackets using (8) 8mm Combo Bolts. The hardware is not fully tightened at this stage.

  5. Level and adjust the Sidebar and fully tighten all hardware.

  6. Repeat Steps 1—5 to attach the Driver/Left Sidebar.

  7. Do periodic inspections to the installation to make sure that all hardware is secure and tight.

Care Instructions: To protect your investment, Do not use any type of polish or wax that may contain abrasives that could damage the finish. Mild soap may be used also to clean the Sidebar.

Models: 3S-19C106TN, 3S-19C106TN 3 Inch Oval Bent End Sidebars, 3 Inch Oval Bent End Sidebars, Oval Bent End Sidebars, Bent End Sidebars, End Sidebars, Sidebars

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