Why did my U bolts brake?

I have an F250 diesel 4X4. I don't drive my truck hard, but three of the four U bolts that hold the rear axel to the suspension broke. What could have caused that to happen in such a heavy duty truck? I what to learn here, because I don't want to ever have to do this job again.

If it's a used truck the previous owner might have abused it or had some work done and replaced the U bolts with some cheap junk made from an inferior grade of steel. New or used whoever installed them might have over torqued them.

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Are There Specific Heavy Duty Suspension Systems for Off-Road Trucks?

Some of you might be interested in off-road trucks.  When you say off-road trucks, you must prepare yourself and your truck to handle all kinds of terrains and roads.  Heavy duty suspension systems ensure smooth journey and so make sure that your truck is installed with the best heavy duty suspension systems to handle all kinds of roads and terrains; in short, your truck should be well equipped as a heavy military vehicle would to face all terrains, roads and climate.

 

Well, if you are contemplating off-road trucks with a combination of long-term survival and self-sufficiency, reliability, durability, safety, capability, and comfort, then the following points might help you.

 

How does it Work?

Heavy duty suspension systems for heavy duty, off-road trucks incorporate unique axle connections that distribute the load more evenly, over a wide footprint. They are designed for durability and a better ride and are engineered for all standard heavy duty trailer applications, including platforms and drop decks, dump trailers, and fixed-axle vans. Its tri-functional bushings at pivot points improve ride stability and driver comfort. An induction hardened camshaft system produces less suspension wear and longer operational life.

These heavy duty suspension systems are manufactured for heavy-haul vehicles such as those used in logging and mining, but the suspension is also appropriate for tankers, livestock and grain trailers, and container chassis. Its beams and axles are designed to live longer in off-road and other applications.

Braking systems are critical components with heavy duty, off-road vehicles and these customized suspensions include brake shoes as standard equipment. The suspension lift kits also minimize front-end dive caused by heavy braking. It is extremely important for it to have front lift kits which increase the off-road trucks center of gravity and cause extra body-roll.

For a street-driven application emulsion shocks are more than enough, but in off-road conditions a reservoir shock is recommended which subjects the shocks to excessive heat by increasing the oil capacity. The four corner shafts will help give more resistance to compression and act more like an air spring in heavier trucks whether it is in the desert, dunes, mud, or on the trail.

 

Coil over shocks are customized shock absorbers for desert cars, pre-runners, sand rails, rock crawlers, dune buggies, and many more off-road and racing conditions. A coil over shock has more easily adjustable features than standard suspension, and the reason they are so popular is that they can be finely tuned and adjusted accurately. Most people like the smooth ride a coil spring can provide.

If you have larger tires or upgraded power and gearing, you will probably need the optional replacement leaf springs. It all depends on how you like your truck to look. If you prefer it to be level, then stick with the 5" rear blocks. If you prefer the raked look, then you can choose shorter blocks.

Bump stops are a great way to smooth out even the harshest hits while protecting your chassis from the extreme energy transfer impact.

 

 

Generally, off-road racing shocks need to be charged with nitrogen only. DO NOT USE compressed air as it can cause a number of problems. The oxygen and moisture in compressed air will corrode ferrous materials. Not only that, nitrogen is more stable through a greater pressure and temperature range.

With the significantly increased oil volume and a large diameter piston head these shocks can just about take any suspension!

 

Beat all terrains, roads and climate with the best suspension systems.  Make your journey a smooth one with an intelligent choice of suspension systems.

About the Author

Gary Allen is the co-founder of All Cape Spring Co. He specializes in heavy duty suspensions and off-road trucks and has an experience of over a decade. All Cape Spring Co. serves Cape Cod, Sagamore Beach and Massachusetts. For more information, visit www.allcapespringco.net

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