Toyota Tacoma Tires: Complete Informational Guide By Cole Mitchell May 14, 2026 6 min read

How To Mount a Spare Tire Under a Toyota Tacoma Bed

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To mount a spare tire under your Toyota Tacoma bed, start by confirming compatibility with model years 2016-2023. Choose a 33-inch tire, like 285/70R17, for ideal fit. Gather essential tools, including a drill and socket set, and follow installation instructions to securely attach the mount. Use rubber gaskets to minimize scuffs and guarantee proper alignment with brackets. Regularly inspect your setup for wear and maintain tire pressure per manufacturer recommendations. Discover tips for efficient maintenance and troubleshooting.

Check Your Tacoma’s Compatibility

tacoma spare tire compatibility

Before you begin the installation process, it’s crucial to check your Toyota Tacoma’s compatibility with the spare tire mounting system. Verify your Tacoma is from the 2016-2023 model years, as only these are compatible. Next, confirm the dimensions of your spare tire; the mount supports up to a 40-inch tire. If you’ve made Tacoma modifications, be aware that these changes might affect fitment and installation.

Carefully review the installation instructions, as this task requires drilling to secure the tire properly. If you’re considering fitting a 33-inch tire, note that user experiences are mixed, and adjustments might be necessary. Utilizing proper tire mounting techniques will guarantee your spare tire is both secure and accessible. By following these steps, you can liberate your Tacoma’s under-bed area, enhancing your vehicle’s functionality for any adventure ahead.

Selecting the Right Spare Tire Size for Under-Bed Mounting

When selecting a spare tire for under-bed mounting on your Toyota Tacoma, consider the tire diameter carefully, as a 33-inch tire is commonly used. The width is also essential; a narrower 285 tire can help avoid rubbing against brackets and maintain compatibility with your model year. Additionally, keep in mind how the tire size impacts your vehicle’s ground clearance for best performance.

Tire Diameter Considerations

Selecting the right spare tire size for under-bed mounting on your Toyota Tacoma is essential for guaranteeing both fit and functionality. Aim for a diameter of 33 inches to achieve a snug yet manageable fit, minimizing the need for extensive modifications. Users report that a 285/70R17 tire fits well without hammering, but be cautious of potential rubbing against hanging brackets, especially with wider tires. A narrower option might enhance fitment and reduce clearance issues. Additionally, verify your spare tire’s load ratings align with your Tacoma’s specifications, and monitor tire pressure regularly to maintain integrity. Finally, consider the proximity to the exhaust system to prevent heat exposure from compromising your tire’s durability over time.

Width and Compatibility Factors

Choosing the right width for your spare tire is essential for ensuring compatibility and efficient use of space under your Toyota Tacoma bed. Aim for a tire width of 285, as this size minimizes compatibility issues and avoids excessive rubbing on brackets. The most common tire sizes for under-bed storage are 285/70R17 and 285/75R17, striking a balance between size and fit.

Tire Size Width (inches)
285/70R17 11.2
285/75R17 11.2
33-inch Tire 11.2
31-inch Tire 10.5
30-inch Tire 10.0

Ensure you measure carefully, as larger tires may pose heat issues from the exhaust, impacting safety and longevity.

Impact on Ground Clearance

Mounting a spare tire under your Toyota Tacoma bed can greatly affect ground clearance, making it essential to choose the right size. A 33-inch tire, particularly the 285/70R17 specification, is commonly recommended. This size guarantees a comfortable fit without excessive modifications while maintaining adequate ground clearance. However, be aware of potential ground clearance effects; some users report minor rubbing on brackets, which can be manageable with suspension adjustments. Additionally, the tire’s proximity to the exhaust and leaf mounts may raise heat concerns, though they’re generally non-critical. If you opt for a tighter fit, minor hammering adjustments to brackets may be necessary, but many find these modifications lead to effective and safe under-bed storage solutions.

Step-by-Step Guide to Mounting Your Spare Tire

To mount your spare tire under the Toyota Tacoma bed, you’ll need specific tools and materials, including a drill and rubber gaskets. Start by gathering everything required for a smooth installation process. Then, follow the outlined steps to guarantee proper alignment and secure mounting of the tire.

Required Tools And Materials

When preparing to mount a spare tire under your Toyota Tacoma bed, you’ll need several essential tools and materials to guarantee a smooth installation. Start with a drill and appropriate drill bits, along with a socket set and wrenches for fastening. To verify installation safety and protect your tire, gather rubber gaskets that prevent scuffs and scrapes on your truck bed. Confirm that your tire size, ideally up to 33 inches, fits snugly without rubbing against any components. Be ready to make minor adjustments, like hammering for a better fit, keeping the exhaust’s proximity in mind. Finally, follow the user-friendly instructions for precise drilling locations that align with your Tacoma’s bed dimensions.

Installation Steps Overview

Start the installation process by carefully reviewing the provided instructions for your spare tire mount kit. Gather your tools, including a drill, and verify you have the correct mount kit for your 2016-2023 Toyota Tacoma. Drill the necessary holes in the truck bed as specified, ensuring precise alignment for maximum tire security. Adjust the mount to fit your specific tire size and wheel offset, accommodating up to a 40-inch spare tire. Install rubber gaskets on the mount to prevent scrapes and scuffs, enhancing your bed’s durability. Finally, confirm easy access to the spare tire for off-road situations and double-check that the installation is secure before use. Follow these installation tips for a reliable setup.

What Tools Do I Need for Installation?

Installing a spare tire under your Toyota Tacoma bed requires several essential tools to guarantee a smooth process. First, you’ll need a drill to create mounting holes for your tire carrier options. A socket set is vital for tightening bolts and securing the tire mount to your truck’s frame. Pliers are also handy for manipulating locking washers or other fasteners during installation.

Don’t forget a measuring tape; it confirms proper alignment and fitment of the spare tire based on your Tacoma’s dimensions.

Lastly, prioritize installation safety by wearing gloves and safety glasses to protect yourself while working. Having these tools on hand will streamline the installation, making it efficient and secure. With the right equipment, you’ll not only confirm a successful mount but also enhance your truck’s functionality for future adventures.

Fitment Issues: Common Problems & Solutions

spare tire fitment challenges

Fitment issues can arise during the installation of a spare tire under your Toyota Tacoma, particularly with larger sizes. For instance, fitting a 33-inch tire may require minor hammering adjustments. Users have had success with a 285/70R17 tire without modifications, but you’ll want to verify compatibility with sizes like 285/75 17 and 285/75 16 for the best fit.

Problem Description Solution
Rubbing Issues Tire may rub against hanging brackets. Monitor for wear and adjust as needed.
Heat Concerns Proximity to the exhaust can cause concern. Most users report it’s non-critical.
Size Compatibility Incorrect tire size can lead to fitment problems. Opt for a narrower tire to improve fitting.

Maintenance Tips for Long-Lasting Tire Storage

To guarantee your spare tire remains in peak condition while stored under your Toyota Tacoma, regular maintenance is essential. Begin by inspecting the mounting hardware frequently; verify all bolts and brackets are tight to prevent any movement during off-roading. Look for signs of corrosion on the tire mount and surrounding areas, applying touch-up paint as needed for effective rust prevention.

Periodically clean the spare tire to remove dirt and debris, which can trap moisture and accelerate wear or rusting. During installation, use rubber gaskets to minimize scuffs and scrapes on the truck bed, ensuring a snug fit that reduces movement. Finally, monitor the tire pressure regularly, keeping it at the manufacturer-recommended PSI for peak performance when needed. By following these spare tire care tips, you’ll guarantee your tire stays ready for action whenever you need it.

Frequently Asked Questions

What Is the 50 50 Rule on Spare Tires?

The 50/50 rule on spare tires means you shouldn’t drive more than 50 miles or exceed 50% of your journey. Prioritize spare tire maintenance and monitor tire pressure to guarantee safety and performance.

Conclusion

To summarize, securely mounting your spare tire under the Toyota Tacoma bed not only saves space but also keeps you prepared for the unexpected. Like a trusty sidekick, your spare tire awaits, ready to leap into action when you need it most. By following the outlined steps and tips, you’ll guarantee your tire stays safe and accessible, making your adventures worry-free. So gear up, hit the road, and let your Tacoma carry you onward with confidence!

Cole Mitchell

Author

Cole Mitchell Performance & Track Tyre Specialist Focusing on high-grip compounds and sports car setups, Cole brings years of track experience to every performance tyre review.

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