1. Product Overview
The LEER ROLLITUP Tonneau Cover is designed to provide secure and convenient protection for your truck bed cargo. This soft roll-up cover features a low-profile design, durable construction, and easy installation, making it an ideal solution for truck owners seeking both functionality and aesthetics.

Image: The LEER ROLLITUP Tonneau Cover fully installed on a truck bed, showcasing its sleek, low-profile appearance.
2. Key Features
The ROLLITUP Tonneau Cover is engineered for durability and ease of use. Key features include:
- Perfect Fit & Easy Latch: Designed for specific truck models with an easy-to-use latch mechanism that closes and locks at the tailgate.
- Adjustable Tension System: Keeps the cover tight and wrinkle-free in various weather conditions by allowing tension adjustments.
- Durable Construction: Made from heavy-duty 24-ounce tear-resistant, marine-grade vinyl, supported by three built-in crossbars.
- Corrosion-Resistant Materials: Side rails and clamps are constructed from 6063 aluminum for long-lasting performance.
- Full Bed Access: Allows 100% access to the truck bed by easily rolling up the cover towards the cab without needing to remove the entire unit.
- Secure Closure: Utilizes a Velcro Brand hook & loop strip along the sides and a one-step cable release for unlocking.
- No-Drill Installation: Designed for quick and easy installation without the need for drilling into your truck.

Image: Detailed view of the tonneau cover highlighting its key components such as crossbars, Velcro side seals, clamps, and the one-step cable release.
3. What's Included
Verify that all components are present before beginning installation:
- 1 x Rolling Tonneau Cover with Front Bar, Rear Bar, and Crossbows
- 2 x Side Rails
- 1 x Hardware Kit (including 6 clamps and 2 corner braces)
- 1 x Allen Wrench
- 1 x Installation Guide

Image: All components included in the LEER ROLLITUP Tonneau Cover package, laid out for inspection.
4. Compatibility and Fitment
This LEER ROLLITUP Tonneau Cover, model 4R170, is specifically designed for:
- 2014-2018 Chevy Silverado 1500 with 78" Bed
- 2014-2018 GMC Sierra 1500 with 78" Bed
- 2019 Chevy Silverado Limited with 78" Bed
- 2019 GMC Sierra Limited with 78" Bed
It is crucial to verify your truck's year, make, model, and bed length before purchasing and installation. Refer to your truck's OEM specifications for accurate bed measurements.

Image: A visual guide to measuring your truck bed length to ensure proper fitment of the tonneau cover.
5. Installation Instructions
The LEER ROLLITUP Tonneau Cover is designed for a straightforward, no-drill installation. Follow these general steps for proper setup:
- Prepare the Truck Bed: Ensure the truck bed rails are clean and free of debris.
- Position Side Rails: Place the two side rails along the truck bed rails, ensuring proper alignment.
- Secure with Clamps: Use the provided clamps to secure the side rails to the truck bed. Distribute the clamps evenly for a secure fit.
- Attach Tonneau Cover: Connect the rolling tonneau cover assembly to the installed side rails.
- Adjust Tension: Utilize the adjustable tension system to ensure the cover is taut and wrinkle-free. This can be done by adjusting the screws on the spring-load pen mechanism.
- Test Operation: Fully roll and unroll the cover to ensure smooth operation and proper latching at the tailgate.
For detailed, step-by-step instructions, refer to the included Installation Guide.

Image: Illustration of the clamp system used to secure the tonneau cover rails to the truck bed, demonstrating the ease of installation.
6. Operating the Tonneau Cover
The ROLLITUP cover is designed for easy operation, providing full access to your truck bed when needed.
To Open (Roll Up) the Cover:
- Release Latch: At the tailgate end, locate and pull the one-step cable release to disengage the cover from the side rails.
- Roll Up: Begin rolling the tonneau cover towards the cab of the truck. The built-in crossbars will roll with the vinyl.
- Secure: Once fully rolled, use the integrated strap to secure the cover in its open position near the cab, preventing it from unrolling during transit.

Image: The tonneau cover in a partially rolled-up state, illustrating how it retracts to provide bed access.
To Close (Unroll) the Cover:
- Unstrap: Release the strap securing the rolled-up cover.
- Unroll: Gently unroll the cover towards the tailgate, ensuring it lays flat and straight along the side rails.
- Engage Latch: Press down firmly at the tailgate end until the cover latches securely into place. The Velcro along the sides will also engage, sealing the cover.

Image: The tonneau cover fully extended and latched, providing complete coverage for the truck bed.

Image: A close-up of the Velcro system that secures the cover along the side rails, ensuring a snug fit.

Image: The one-step cable release mechanism, which allows for quick and easy unlocking of the cover from the tailgate.
7. Care and Maintenance
Regular maintenance will extend the life and appearance of your LEER ROLLITUP Tonneau Cover:
- Cleaning: Clean the vinyl surface regularly with mild soap and water. Avoid harsh chemicals or abrasive cleaners that could damage the material.
- Vinyl Protection: Apply a vinyl protectant designed for tonneau covers to maintain flexibility and protect against UV damage.
- Check Tension: Periodically check the cover's tension. If it appears loose or wrinkled, adjust the tension system as described in the installation section to keep it taut.
- Inspect Components: Routinely inspect the clamps, side rails, and latching mechanisms for any signs of wear or damage. Ensure all fasteners are secure.
For specific cleaning products, refer to LEER's recommended care products.
8. Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Cover appears loose or wrinkled | Tension system needs adjustment; temperature changes. | Adjust the tension screws on the spring-load pen mechanism to tighten the cover. Allow time for vinyl to adapt to temperature. |
| Difficulty latching the cover | Misalignment of side rails; debris in latch mechanism. | Check side rail alignment and adjust clamps if necessary. Clear any debris from the latching area. Ensure the cover is fully unrolled and centered. |
| Water leakage into truck bed | Improper seal along rails; damaged weather stripping. | Ensure the Velcro strips are fully engaged along the side rails. Inspect weather stripping for damage and replace if necessary. Verify proper installation of the front seal. |
| Cover does not roll smoothly | Obstruction on rails; dirty rails. | Inspect rails for any obstructions or debris and clean thoroughly. Ensure the crossbars are not bent or damaged. |
| Missing or damaged parts | Shipping damage; installation error. | Contact LEER customer support with your model number and purchase information for assistance. |
9. Product Specifications
| Attribute | Detail |
|---|---|
| Brand | LEER |
| Model Number | 4R170 |
| Style | Roll-Up |
| Exterior Finish | Aluminum |
| Material | Aluminum (Rails), Marine-Grade Vinyl (Cover) |
| Lock Type | Tailgate |
| Item Weight | 30.9 pounds |
| Package Dimensions | 78.5 x 7.5 x 7 inches |
| Special Features | Rolling |
| UPC | 810059880085 |
10. Warranty and Customer Support
For warranty information, product registration, or technical assistance, please contact LEER customer support directly. Keep your purchase receipt and model number (4R170) readily available for faster service.
Visit the official LEER website for the most up-to-date warranty details and contact information: www.leer.com





