YITAMOTOR Soft Tri-Fold Tonneau Cover Installation Guide
For Trucks with Utility Rail:
Part List
| Description | ||
| ① | X1 | Cover Assembly |
| ② | X6 | Clamp Foam Pad |
| ③ | X1 | Seal Strip |
| ④ | X1 | LED Light |
| ⑤ | X4 | Mounting Block |
| ⑥ | X1 | Allen Wrench |
| ⑦ | X2 | Bulkhead Seal Sticker (for Tacoma ONLY) |
▲ Warning:
- Tonneau cover must be completely secured in the closed position or opened position while driving. DO NOT DRIVE with cover in partially opened position.
- Clean the debris before folding the tonneau cover.
- Professional installation would be highly recommended.
- Period check to ensure all clamps remain secure and tight.
- Remove the tonneau cover before towing the truck from rear.
- Do not drive without safety clamps.
- The tonneau cover needs to be removed in extreme weather, such as typhoon, hurricane, heavy rain and hail.
Step 1:
- Clean the bulkhead and bedrail before installation.
- For Tacoma truck stick the seal sticker on the bulkhead bar.
- Stick the seal strip onto the bulkhead.
Diagram shows a truck bed rail with a seal strip being applied.
Step 2:
- For Toyota and Nissan trucks, insert the mounting blocks from the rear end of the utility rail, 2 blocks each side.
- For Jeep trucks, insert the mounting blocks from the front end of the utility rail, 2 blocks each side.
Diagram shows mounting blocks being inserted into utility rails for different truck models (Toyota/Jeep, Nissan Titan, Nissan Frontier).
Step 3:
- Place cover assembly on front truck bed rail against the cab.
- Release safety buckles.
Diagram shows the tonneau cover being placed on the truck bed rail and safety buckles being released.
Step 4:
- Fully unfold the cover towards rear. Ensure the cover aligns on truck bed.
- Carefully refold the cover without moving position on the truck bed.
Diagram shows the tonneau cover being unfolded and then refolded.
Step 5: Secure the front clamps.
- Slide the mounting block to proper position.
- Slide front clamp to proper slot.
- Pull down the front clamp to vertical position.
- Hook the J-shaped clamp under the mounting block and tighten the knob.
- Tighten set screw on mounting block.
Diagram illustrates the process of securing the front clamps, including sliding the mounting block and clamp, and tightening the knob and set screw.
Step 6:
- Loosen the safety clamp and attach to the mounting block.
- Hand tighten the knob clockwise. DO NOT use wrench or overtighten.
- Adjust the strap to proper length, and pull the other end of the strap to tight.
Diagram shows a clamp being attached to a mounting block on a utility rail and a strap being adjusted.
Note: The clamps may not precisely vertical.
Step 7:
Carefully unfold the cover and secure the rear clamps.
- Slide the mounting block to proper position.
- Slide rear clamp to proper slot.
- Pull down the rear clamp to vertical position.
- Hook the J-shaped clamp under the mounting block and push the clamp handle to vertical position.
- Tighten set screw on mounting block.
Diagram shows the process of securing rear clamps, including sliding the mounting block and clamp, and pushing the clamp handle.
Note: The clamps may not precisely vertical.
Step 8:
- Close the tailgate. Installation completed.
Diagram shows the tailgate being closed, indicating completed installation.
Fold up the Cover:
- Open the tailgate.
- Release and fold up the rear clamps.
- Fold up the cover towards front.
- Secure the safety buckles.
- After the tonneau cover installed, periodic check to ensure all clamps and buckles remain secure and tight.
Diagrams show the tailgate being opened, rear clamps released, cover folded forward, and safety buckles secured.
Sealing Instruction for Tacoma Trucks:
- Remove (2) screws securing the bulkhead bar.
- Stick the seal pads on both ends of bar.
- Install the bulkhead bar back to truck.
Diagrams show the bulkhead bar with a gap, seal pads being applied, and the bulkhead bar reinstalled, showing a sealed state.
Maintain and Repair
Rear Clamp Replacement:
- Fold up the rear clamp.
- Remove the Philips screw.
- Slide the clamp to the innermost slot.
- Remove the defective rear clamp.
- Install the new rear clamp in the reverse order of removal.
Diagrams illustrate the process of removing and replacing a rear clamp, showing screw removal, sliding the clamp, and attaching a new clamp.
Note: The clamps may not precisely vertical.
If the Utility Rails Removed:
- Slide front/rear clamp to proper slot.
- Pull down the front/rear clamp to vertical position.
- Hook the front clamp under the metal bed rail lip and tighten the knob.
- Hook the rear clamp under the metal bed rail lip and push the clamp handle to vertical position.
- Secure the safety clamp onto the metal bed rail lip.
Note: Cutting the bedliner is necessary. The clamps may not precisely vertical.
Diagrams show how to attach clamps to the bed rail lip when utility rails are removed, including tightening the knob and securing the safety clamp.
