Is it OK to reuse leaf spring U-bolts?
Is it OK to reuse leaf spring U-bolts?
Why can’t I reuse my U-bolts? This is one of the single most commonly asked questions out there when discussing leaf springs and related components. We get a variety of reactions when we advise our customers that reusing U-bolts is never a good idea.
Do you need U-bolts on leaf springs?
Considered one of the major parts of your leaf spring installation, u-bolts will provide a permanent tie between the spring leaves and your axle. Primarily, the truck u-bolts provide the force required to clamp the leaf spring and related components firmly together.
Can you reuse axle bolts?
The shop manual warns not to reuse the axle nut, so I trotted off to the parts store for a new one. During the tightening process, the bolt or axle shaft stretches the nut into a round shape.
Can loose U-bolts cause vibration?
Loose U-Bolt These bolts go around the axle and hold the leaf spring bundle. During your ride, the shock is transferred from the axle to the leaf springs. If the U-bolt comes to lose your rear end of the truck will vibrate.
How tight should you tighten u-bolts?
Tighten all U-Bolts until they are snug only. Tighten in the sequence shown to approximately 1/3 of recommended torque.
How tight should you tighten U-bolts?
Why do U-bolts not spring back to their original length?
As long as the nut torque does not cause a bolt stretch that causes stresses that are at or exceeding the yield point of the U-bolt material, why would they not spring back to their original length after the bolts are loosened? How important is it to re-torque the U-bolts after a certain amount of driving?
When to replace u-bolts on Eaton Detroit spring?
While the springs are new and the u-bolts are new, the rest of the suspension is aged and will have wear. It is common that the new parts receive additional stress than the older parts. Re-torqueing continues to move the nut up to new threads. Bottom line is we recommend that the u-bolts be replaced once they have been torqued to spec.
Is there a problem with re-using U-bolts?
If the main problem with re-using U-bolts is with reduced clamping force, approximately how much is the clamping force reduced when Using a U-bolt for the second time? If nobody knows then how do they know it’s a real problem or the extent of the problem?
How do you remove a rear leaf spring?
Use a wrench to loosen the bolts and remove the rear spring bolt from the trailing arm and spring. Carefully lower the jack to ease the pressure on the spring. Remove the four rear spring center plate bolts using a wrench.
When to re torque a leaf spring U-bolt?
New U-Bolts Are The Foundation Of Your Leaf Spring Install For Cold-Formed U-Bolts which have been torqued to a set preload are recommended to be re-torqued after a short time to take up the stretch in the set of the material.
Where can I Buy you bolts for axles?
Order U-bolt kits online. Each U-bolt kit has two U-bolts with nuts and washers. We also make custom U-bolts (small and large orders). To order online kits, click the type of U-bolt that you need.
As long as the nut torque does not cause a bolt stretch that causes stresses that are at or exceeding the yield point of the U-bolt material, why would they not spring back to their original length after the bolts are loosened? How important is it to re-torque the U-bolts after a certain amount of driving?
What kind of you bolts do you need for leaf springs?
U Bolts for Truck and Trailer Leaf Springs. We maintain a complete stock of leaf spring u-bolts for light, medium, and heavy duty trucks and trailers. Don’t see the size you need? We can custom bend u-bolts for every type of vehicle. We only use material that is cold drawn, stress relieved, micro-alloyed, 1541 modified steel in our u-bolt kits.
