1. Introduction
This manual provides comprehensive instructions for the safe and correct installation, operation, and maintenance of your TINIANHHCT Cross Bars Roof Rack. Please read all instructions carefully before beginning to ensure proper fitment and to prevent damage to your vehicle or the product. This roof rack is specifically designed for Toyota Corolla Sedan E170/E180 models manufactured between 2013 and 2017 that do not have existing roof rails.
2. Product Overview
The TINIANHHCT Cross Bars Roof Rack is engineered for durability and functionality, providing a secure platform for transporting cargo on your vehicle's roof.
- Material: Crafted from high-quality aluminum alloy, plastic, and rubber for strength and weather resistance.
- Load Capacity: Supports up to 176.4 pounds (80 kg) of evenly distributed cargo.
- Design: Features a low-wind noise design to minimize drag and wind noise, ensuring a quiet and stable ride. Includes an anti-theft lock system for added security.
- Compatibility: Specifically designed for Toyota Corolla Sedan E170/E180 models (2013-2017) without existing roof rails.
3. Safety Warnings Before Installation
- Measure Rain Gutter Distance: Before installation, measure the distance between your car roof rain gutters. It should be between 42.51-44 inches. Incorrect measurements can lead to improper fitment and potential damage.
- Proper Ratchet Operation: Ensure the ratchet mechanism operates correctly. Refer to the manual for detailed steps on inserting the steel sheet into the ratchet and adjusting the strap length.
- Risk of Water Penetration: Be aware that improper installation or damaged weather stripping can lead to water entering the vehicle's interior, especially during heavy rain. Ensure all seals are properly seated.
- Secure Installation: Always ensure the roof rack is properly secured to prevent instability or failure during transit.
- Regular Checks: Periodically inspect the rack for tightness and wear. Replace any damaged parts immediately.
- Avoid Overloading: Do not exceed the maximum load capacity of 176.4 pounds.
- Driving Speed: Adjust your driving speed according to the load and road conditions. Avoid sudden maneuvers.
4. Installation Guide
Follow these steps carefully for a secure and correct installation of your cross bars roof rack.
4.1. Assemble the Steel Sheet and Hooks
- Choose the correct hook for your vehicle's door edge. The manual provides diagrams for right and wrong hooks.
- Insert the steel sheet into the hook, ensuring the curved side of the hook faces down and the raised side of the steel sheet faces up.
- Insert the rubber pad into the steel sheet. You may need to cut the rubber pad to the required length for your vehicle's door frame.
Figure 4.1: Properly installed TINIANHHCT Cross Bars Roof Rack on a Toyota Corolla Sedan.
Figure 4.2: Compatibility diagram for vehicles without side bars on the roof.
4.2. Install the Base Bracket
- Insert the stainless steel brace to resist the screw.
- Remove the screw nut.
- Mount the base as shown in the manual diagrams.
Figure 4.3: Crossbar length and maximum extension details.
Figure 4.4: Ensure door frame width meets the size of the clips.
4.3. Final Assembly and Securing
- Unlock the inner plastic cover using the provided key.
- Adjust the ratchet strap to the desired length for a secure fit.
- Close the inner plastic cover and ensure it clicks into place.
- Lock the mechanism with the key to prevent unauthorized removal.
Figure 4.5: Key features of the cross bars: High Grade Aluminum, H-Shaped Structure, Powder Coated Surface.
Figure 4.6: Detail-oriented additions: Iron Base for sturdiness, Rubber Pad to reduce vibration, and Scratch Resistant Stickers included.
4.4. Installation Videos
Video 4.1: Detailed crossbar installation guide by 3AMHHCT-AUTO.
Video 4.2: General car roof rack installation guide by KOCASO.
Video 4.3: Overview of the 2PCS Universal Car Roof Rack Cross Bars by KOCASO.
5. Usage Guidelines
To ensure safe and effective use of your roof rack, please observe the following guidelines:
- Secure End Caps: Be sure to glue the end caps in place to prevent loss.
- Regular Tension Checks: Check the tension between knobs and bolts regularly, especially before long trips.
- Additional Straps: When carrying large or bulky items such as kayaks or ladders, it is highly recommended to use additional straps and ropes to secure the cargo to both the crossbars and the vehicle.
- Even Weight Distribution: Distribute cargo weight evenly across the crossbars to maintain vehicle stability.
- Driving Speed: Adjust your driving speed according to the load and road conditions. Avoid sudden maneuvers.
Figure 5.1: Important usage points for attention.
6. Maintenance
Regular maintenance will prolong the life and performance of your roof rack:
- Clean Regularly: Wash the cross bars with mild soap and water to remove dirt, grime, and road salt.
- Inspect for Damage: Periodically check all components for signs of wear, corrosion, or damage. Replace any damaged parts immediately.
- Lubricate Moving Parts: If applicable, lubricate any moving parts of the locking mechanism or ratchets as needed.
- Seasonal Removal: If not in use for extended periods, consider removing the roof rack to reduce wear and tear and improve fuel efficiency.
7. Troubleshooting
If you encounter any issues with your roof rack, refer to the following common problems and solutions:
- Loose Fit: Ensure all bolts and ratchet straps are tightened securely. Re-check the steel sheet and hook placement.
- Excessive Wind Noise: Verify that the cross bars are installed correctly and that all components are tightly secured. The low-wind noise design helps, but loose parts can increase noise.
- Water Leakage: Inspect the rubber pads and weather stripping around the door frame for proper seating and damage. Ensure the ratchet straps are not interfering with the door seals.
- Difficulty Locking/Unlocking: Check for any obstructions in the locking mechanism. Ensure the key is fully inserted and turned correctly.
8. Specifications
| Feature | Detail |
|---|---|
| Color | Black |
| Brand | TINIANHHCT |
| Is Foldable | No |
| Load Capacity | 176.4 Pounds (80 kg) |
| Mounting Type | Power Grip |
| Automotive Fit Type | Vehicle Specific Fit |
| Vehicle Service Type | Fits for Toyota Corolla Sedan E170/E180 2013-2017 |
| Material | Aluminum, Plastic, Rubber |
| Model Number | WHHCBB-39 |
9. What's in the Box
Your TINIANHHCT Cross Bars Roof Rack package includes:
- 2 x Crossbar Poles
- Mounting Hardware (including housing, steel sheets, washers, hooks, base brackets, rubber pad covers, rubber sheet pads, keys, screw nuts)
- Installation Manual
10. Warranty and Support
We stand behind our product with dedicated customer service. If you have any questions or concerns post-purchase, please do not hesitate to contact us for assistance. Our team is ready to help with any issues you may encounter.
