1. Introduction
This manual provides detailed instructions for the proper installation, maintenance, and care of your RUST BUSTER YJ Front Shackle & Steering Box Mount Section (Left Side). This component is designed to provide a robust mounting point for the front shackle and steering box on compatible YJ models, ensuring structural integrity and proper vehicle operation. Please read this manual thoroughly before beginning any installation or maintenance procedures.
2. Safety Information
Always prioritize safety when working on your vehicle. Failure to follow safety precautions can result in serious injury or damage to the vehicle.
- Wear appropriate personal protective equipment (PPE), including safety glasses, gloves, and closed-toe shoes.
- Ensure the vehicle is securely supported on jack stands on a level surface before working underneath it. Never rely solely on a jack.
- Disconnect the vehicle's battery before performing any electrical work.
- Use the correct tools for each task.
- If you are unsure about any step, consult a qualified mechanic.
- Keep children and pets away from the work area.
3. Installation Guide
3.1. Tools and Materials Required
- Socket/Wrench Set (Metric and/or SAE, as applicable)
- Torque Wrench
- Jack and Jack Stands
- Safety Glasses and Gloves
- Penetrating Oil (optional, for rusted bolts)
- Wire Brush (optional, for cleaning mounting surfaces)
3.2. Pre-Installation Checks
- Verify that all components of the RUST BUSTER YJ Front Shackle & Steering Box Mount Section are present and undamaged.
- Ensure the vehicle frame and existing mounting points are free from excessive rust, corrosion, or damage. Repair as necessary before installation.
- Familiarize yourself with the vehicle's existing front suspension and steering box mounting configuration.
3.3. Step-by-Step Installation
- Prepare the Vehicle: Safely lift the front of the vehicle and support it with jack stands. Remove the front wheels for better access if needed.
- Remove Existing Components (if applicable): Carefully remove any existing shackle mounts or steering box mounts that will be replaced by this unit. Note the orientation and hardware for potential re-use or reference.
- Clean Mounting Area: Thoroughly clean the frame rail and any mating surfaces where the new mount will be installed. Remove rust, dirt, and debris to ensure a flush fit.
- Position the Mount: Align the RUST BUSTER YJ Front Shackle & Steering Box Mount Section (Left Side) with the pre-drilled holes on the vehicle's frame. Ensure it sits flush against the frame.
- Secure with Hardware: Insert the appropriate bolts, washers, and nuts through the mounting holes. Hand-tighten all hardware initially.
- Torque to Specifications: Refer to your vehicle's service manual or the hardware manufacturer's specifications for the correct torque values for all fasteners. Gradually tighten all bolts in a crisscross pattern to the specified torque.
- Reinstall Components: Reinstall the front shackle and steering box onto the new mount, ensuring all connections are secure and torqued to specification.
- Final Inspection: Double-check all fasteners for proper torque. Ensure there is no interference with other vehicle components.
- Lower Vehicle: Carefully lower the vehicle off the jack stands.

Figure 1: The RUST BUSTER YJ Front Shackle & Steering Box Mount Section (Left Side). This image shows the robust construction and pre-drilled mounting points for installation on the vehicle's frame.
4. Post-Installation Checks and Initial Operation
After installation, it is crucial to perform the following checks before operating the vehicle:
- Steering Functionality: With the vehicle on the ground, turn the steering wheel lock-to-lock several times to ensure smooth operation and no binding or interference.
- Visual Inspection: Conduct a final visual inspection of the entire installation area to confirm all components are correctly seated and secured.
- Test Drive: Perform a short, low-speed test drive in a safe area. Listen for any unusual noises, feel for vibrations, or notice any changes in steering response. If any issues are detected, immediately pull over and re-inspect the installation.
5. Maintenance
Regular maintenance ensures the longevity and safe operation of your RUST BUSTER mount.
- Periodic Inspection: Every 3,000-5,000 miles or during routine vehicle service, visually inspect the mount for signs of rust, cracks, or damage.
- Hardware Torque Check: Periodically re-check the torque of all mounting bolts. Vibrations and road conditions can cause fasteners to loosen over time. Re-torque to manufacturer specifications.
- Cleaning: Keep the mount free from excessive dirt, mud, and road salt, which can accelerate corrosion. Clean with mild soap and water as needed.
6. Troubleshooting
| Symptom | Possible Cause | Solution |
|---|---|---|
| Unusual noises (clunking, rattling) from the front end. | Loose mounting hardware. | Inspect and re-torque all bolts to specifications. |
| Steering feels loose or unresponsive. | Steering box not securely mounted; worn steering components. | Check steering box mounting bolts. Inspect other steering components for wear. |
| Visible rust or corrosion on the mount. | Exposure to elements; lack of cleaning. | Clean the area and apply a rust-inhibiting coating if necessary. Address any paint chips. |
7. Specifications
- Brand: RUST BUSTER
- Model: YJ Front Shackle & Steering Box Mount Section (Left Side)
- Item Weight: 9.2 pounds
- Product Dimensions: 24.4 x 8 x 4.7 inches
- ASIN: B086QJ2FQF
- Date First Available: April 3, 2020
8. Warranty Information
For specific warranty details regarding your RUST BUSTER YJ Front Shackle & Steering Box Mount Section, please refer to the official RUST BUSTER website or contact their customer support directly. Warranty terms typically cover manufacturing defects and may vary based on purchase date and region.
9. Customer Support
If you have any questions, require technical assistance, or need to report an issue with your product, please contact RUST BUSTER customer support. Contact information can typically be found on the official RUST BUSTER website.
Note: Always provide your product model and ASIN (B086QJ2FQF) when contacting support for faster assistance.





