This article supersedes TSB 14-0161 to update the model years.
ISSUE:
Some customers with 2011-2016 F-250 Super Duty 4×4 vehicles want to raise the rear of their vehicle to change vehicle attitude appearance.
This procedure provides the necessary information for this modification in accordance with engineering specifications.
The modification is a customer responsibility and is not covered by New Vehicle Limited Warranty.
ACTION:
Follow the Service Procedure steps to perform the modification.
SERVICE PROCEDURE
Rear ride height may be increased by replacing the rear leaf spring spacer block along with additional components. Raising the rear ride height could affect fifth wheeltrailer compatibility.
Is the vehicle a 2014-2016 model year and equipped with a snow pre-package?
No – proceed to step 2.
Yes – no further action is required. The vehicle is already equipped with all the components listed in this procedure.
Lower the rear axle and remove the original 5 cm (2″) rear spring spacers. Discard the spacers, U-bolts, and nuts. Refer to Workshop Manual (WSM), Section 204-02.
Refer to the parts list chart for the correct part and vehicle application. (Figure 1)
Install the 10 cm (4″) rear spring spacers, using new U-bolts and nuts.
Raise the rear axle and tighten the U-bolt nuts in proper sequence. Refer to WSM, Section 204-02.
Replace the rear shock absorbers. Refer to WSM, Section 204-02.
If the vehicle is equipped with a two-piece driveshaft, replace the driveshaft and center bearing bracket. Refer to WSM, Section 205-01 and proceed to Step 8.
Check driveline angles, if required. Refer to WSM, Section 205-00.
Failure to update the center bearing bracket, if required, may result in driveline shudder.
If the vehicle is equipped with a one-piece driveshaft, replace the driveshaft. Refer to WSM Section 204-02.
If the vehicle is equipped with a camper package with rear suspension stabilizer bar, replace both rear stabilizer bar links. Refer to WSM, Section 204-02.
Adjust headlamp aim. Refer to WSM, Section 417-01.
Vehicle Compatibility - RETRUE Air bags rear suspension kit for 2015-2025 f150 2WD 4WD, will NOT fit the following Ford F-150 models: the Raptor, models with Continuously Controlled Damping (CCD), an in-bed hitch, leveling arms outside the rear frame, or self-leveling headlights, perfect replacement for the Firestone Ride-Rite 2582 kit (Important Note: Due to variations in vehicle configurations, some models may require minor manual adjustment to the mounting holes. Currently known models that may require modification include XLT, FX4, STX and Lariat trims. If there is sensor near the installation area, this kit may not be suitable for installation.)
Air Ride Suspension Kit - Offering an impressive load-leveling capacity of up to 5,000 pounds, increase spring rate more effectively than traditional or original, reduce the amount of shock and vibration, improve vehicle stability to provide a safer and more comfortable ride
Effortless Installation - Our air spring bag kit features pre-drilled holes and no drill required, ensuring a hassle-free installation process. With included comprehensive instructions and labeled parts, just turn on some tunes and have a blast with the install. Tips: automated tools will speed it up
Customized Air Pressure - Allows you to fine-tune the air bags pressure from 5 to 100 psi, levels vehicle front-to-rear and side-to-side for optimal balance and ride comfort
Reliable Customer Support - At RETRUE, customer satisfaction is our top priority. Rest assured that we stand behind our products with unwavering confidence. If you have any questions or concerns, our dedicated support team is here to assist you every step of the way. Your satisfaction is guaranteed.
Vehicle Compatibility - RETRUE Air bags rear suspension kit for 2011-2016 Ford F250 F350 2WD 4WD and 2011-2013 Ford F450 2WD 4WD, perfect replacement for the Firestone Ride-Rite 2597 kit
Air Ride Suspension Kit - Offering an impressive load-leveling capacity of up to 5,000 pounds, increase spring rate more effectively than traditional or original, reduce the amount of shock and vibration, improve vehicle stability to provide a safer and more comfortable ride
Effortless Installation - Our air spring bag kit features pre-drilled holes and no drill required, ensuring a hassle-free installation process. With included comprehensive instructions and labeled parts, just turn on some tunes and have a blast with the install. Tips: automated tools will speed it up
Customized Air Pressure - Allows you to fine-tune the air bags pressure from 5 to 100 psi, levels vehicle front-to-rear and side-to-side for optimal balance and ride comfort
Reliable Customer Support - At RETRUE, customer satisfaction is our top priority. Rest assured that we stand behind our products with unwavering confidence. If you have any questions or concerns, our dedicated support team is here to assist you every step of the way. Your satisfaction is guaranteed.
Vehicle Compatibility: RETRUE Air bags rear suspension kit for 2009-2014 Ford F150 2WD 4WD, will NOT Fit Raptor or FX2, perfect replacement for the Firestone Ride-Rite 2525 kit
Air Ride Suspension Kit: Offering an impressive load-leveling capacity of up to 5,000 pounds, increase spring rate more effectively than traditional or original, reduce the amount of shock and vibration, improve vehicle stability to provide a safer and more comfortable ride
Effortless Installation: Our air spring bag kit features pre-drilled holes and no drill required, ensuring a hassle-free installation process. With included comprehensive instructions and labeled parts, just turn on some tunes and have a blast with the install. Tips: automated tools will speed it up
Customized Air Pressure: Allows you to fine-tune the air bags pressure from 5 to 100 psi, levels vehicle front-to-rear and side-to-side for optimal balance and ride comfort
Reliable Customer Support: At RETRUE, customer satisfaction is our top priority. Rest assured that we stand behind our products with unwavering confidence. If you have any questions or concerns, our dedicated support team is here to assist you every step of the way. Your satisfaction is guaranteed.
Applications: Fit for Ford F-250 F-350 Super Duty 2017-2019, for Ford F-450 Super Duty 2017-2024; Only for 4WD models; Not fit for cab and chassis models; Fit factory in-bed hitch system and most side mount fifth wheel hitch models.
Stability and Comfort: Air helper spring kit provides extra stability and improved handling while hauling and towing by reducing wear and tear, eliminating squat, reducing trailer sway and eliminate bottoming out
Adjustability: Up to 5,000 pounds of load leveling capability, air adjustable from 5 to 100 PSI. It will depend on different road conditions to adjust, provide a safe and comfortable ride
Enhanced Durability: Crafted from multi-ply rubber, it ensures superior sealing and enhanced durability. With a rubber thickness of 4-4.5mm, this kit offers excellent resistance to wear and tear, preventing leaks and ensuring a long-lasting, smooth ride
Extra Protection: An internal jounce bumper is built inside the air spring, it can prevent damage when driving with an empty air spring and provide additional stability while towing or hauling heavy loads
Fast Inflation & Time-Saving – Capable of reaching up to 100 PSI, this air bag air compressor inflates your air bags suspension kit in no time. It takes just 80 seconds to reach 50 PSI, 2 minutes and 10 seconds for 70 PSI, and only 3 minutes and 50 seconds to fully inflate, saving you valuable time (If you encounter any issues with the air gauge, please contact us immediately.)
Easy In-Cab Control – Adjust your air bags directly from the driver’s seat. Simply press and hold the button to inflate — the system is designed to only work while pressed, helping prevent over-inflation. Real-time pressure control is fast, safe, and effortless
Easy and Effortless Inflation – It makes adjusting your air bags quick and simple. No more hand-pumping or guesswork — just quick, accurate inflation for a smoother, more convenient experience.
Complete Kit for Simple Installation – The air compressor for airbagsuspension kit includes everything you need: air bags compressor, control panel, 1/4" air line, wiring, T-fitting, mounting hardware, and a detailed installation manual. Designed for easy setup and reliable performance ( If the T fitting is damaged or leaks, contact us anytime for a replacement. We're here to ensure your system works perfectly.)
Dedicated Customer Support – We're here to help! If you have any questions before or after your purchase, our friendly support team is always available to assist you quickly
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