Motobilt MB1089
Motobilt Spare Tire Carrier for Jeep JL Instruction Manual
Model: MB1089
Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Motobilt Spare Tire Carrier for Jeep JL. Please read this manual thoroughly before beginning installation to ensure proper fitment and safe operation. This heavy-duty tire carrier is designed to handle the extra weight of larger tires and wheels, transferring stress away from the factory tailgate.
Key Features:
- 3/16 inch laser cut and CNC formed steel construction.
- Capable of holding up to a 40 inch tire.
- 12 mounting points for enhanced stability (compared to factory 4).
- Multiple vertical and front-to-back adjustments for optimal tire positioning.
- Integrated design allows use with factory door handle.
- Compatible with factory or aftermarket bumpers.
- Greasable mounting bolts at pivot points on hinges.
- High density hinge bushings with steel inner liners.
Safety Information
Always prioritize safety during installation and operation. Failure to follow these guidelines may result in injury or damage to your vehicle.
- Ensure the vehicle is parked on a level surface with the parking brake engaged.
- Use appropriate personal protective equipment (PPE) such as safety glasses and gloves.
- Do not exceed the recommended tire size or weight capacity.
- Verify all fasteners are tightened to the specified torque values.
- If you are unsure about any step, consult a professional mechanic.
Package Contents
Before beginning installation, verify that all components are present and undamaged.
- Motobilt Spare Tire Carrier Assembly
- Mounting Hardware Kit
- High Density Hinge Bushings
- Steel Inner Liners
- Note: License plate relocation kit (MB2115) and high lift jack mount (MB1085) are sold separately.
Image: The main Motobilt Spare Tire Carrier assembly, showing the robust steel construction and the tire mounting plate with studs.
Setup and Installation
This section outlines the steps for installing the Motobilt Spare Tire Carrier on your Jeep JL. Basic hand tools are required for installation.
Tools Required:
- Socket Wrench Set
- Torque Wrench
- Pry Bar (optional, for hinge removal)
- Grease Gun
Installation Steps:
- Prepare Vehicle: Park the Jeep JL on a flat, stable surface. Engage the parking brake. Open the tailgate.
- Remove Factory Tire Carrier: Carefully unbolt and remove the existing factory spare tire carrier from the tailgate. Note the original mounting points.
- Install Hinge Bushings: Insert the high-density hinge bushings and steel inner liners into the designated pivot points on the new Motobilt carrier. Apply grease to the greasable fittings.
- Mount Carrier to Tailgate: Align the Motobilt carrier with the tailgate mounting points. The carrier utilizes 12 mounting points for superior strength. Secure the carrier using the provided hardware. Do not fully tighten bolts at this stage.
- Adjust Tire Mount Bracket: The carrier features an adjustable tire mount bracket. Position it vertically and front-to-back to accommodate your specific tire size (up to 40 inches) and ensure optimal clearance.
- Secure Tire Mount: Once the desired position is achieved, tighten all bolts to the manufacturer's specified torque values.
- Mount Spare Tire: Carefully lift and mount your spare tire onto the carrier's studs. Secure it with the lug nuts.
- Final Check: Verify all bolts are tight and the carrier is securely mounted. Open and close the tailgate several times to ensure smooth operation and proper alignment.
Image: The Motobilt Spare Tire Carrier installed on the rear of a red Jeep JL, showing its integration with the tailgate and the robust mounting points.
Image: Close-up view of the adjustable tire mount bracket components, highlighting the robust construction and adjustability for various tire sizes.
Operating Instructions
The Motobilt Spare Tire Carrier is designed for seamless operation with your Jeep JL's factory tailgate.
- Opening/Closing Tailgate: The integrated design allows the tailgate to open and close easily using the factory door handle, even with a large spare tire mounted.
- Tire Removal/Installation: To remove or install the spare tire, simply unbolt or bolt the lug nuts on the carrier's studs. Ensure the vehicle is stable before performing this action.
Image: A rear view of a Jeep JL equipped with the Motobilt Spare Tire Carrier, showcasing a large spare tire mounted securely and the carrier's robust appearance.
Maintenance
Regular maintenance will ensure the longevity and optimal performance of your Motobilt Spare Tire Carrier.
- Lubrication: Periodically apply grease to the greasable fittings on the hinge pivot points to ensure smooth operation and prevent wear.
- Fastener Check: Regularly inspect all mounting bolts and fasteners for tightness. Re-torque to specifications if necessary, especially after off-road use.
- Corrosion Protection: The carrier ships bare metal and requires painting or powder coating for corrosion protection. Inspect the finish periodically and touch up any chips or scratches to prevent rust.
- General Cleaning: Clean the carrier with mild soap and water as needed to remove dirt and debris.
Troubleshooting
This section addresses common issues you might encounter with your spare tire carrier.
| Problem | Possible Cause | Solution |
|---|---|---|
| Tailgate difficult to open/close | Insufficient lubrication at hinge points; loose mounting bolts; misaligned carrier. | Apply grease to hinge fittings. Check and tighten all mounting bolts. Verify carrier alignment and adjust if necessary. |
| Vibration or rattling from carrier | Loose mounting hardware; improper tire seating; worn hinge bushings. | Inspect and re-torque all fasteners. Ensure spare tire is securely mounted. Check hinge bushings for wear and replace if needed. |
| Rust appearing on carrier | Carrier was not painted/powder coated; finish is damaged. | Clean affected area, sand lightly, and apply appropriate rust-inhibiting primer and paint/powder coat. |
Specifications
- Material: 3/16 inch Laser Cut and CNC Formed Steel
- Finish: Bare Metal (requires painting/powder coating)
- Maximum Tire Size: Up to 40 inches
- Mounting Points: 12
- Adjustability: Vertical and Front-to-Back
- Compatibility: Jeep JL 2018+
- Model Number: MB1089
- Item Weight: Approximately 40 pounds
- Package Dimensions: Approximately 36 x 14 x 10 inches
Warranty Information
Motobilt products are manufactured to high standards. For specific warranty details and terms, please refer to the official Motobilt website or contact customer support directly. Keep your proof of purchase for any warranty claims.
Customer Support
If you have any questions regarding the installation, operation, or maintenance of your Motobilt Spare Tire Carrier, please contact Motobilt customer support.
Motobilt Contact Information:
- Website: www.motobilt.com
- Email: Refer to website for contact form or email address.
- Phone: Refer to website for phone number.
When contacting support, please have your product model number (MB1089) and purchase information ready.
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