What should NOT be done when replacing U-bolts?

When replacing U-bolts, reusing old U-bolts should be avoided because these components can experience metal fatigue, wear, and stress cracking over time, especially if they have been previously tightened and subjected to load. U-bolts play a critical role in maintaining the stability of suspension components, and using a new U-bolt ensures that it has the full strength and integrity required for proper function. This is crucial for safety, as any failure of the U-bolt can lead to significant issues in handling and stability of the vehicle.

In contrast, carefully inspecting new U-bolts, retorquing them after installation, and ensuring that the replacement matches the specifications are all standard and required practices for proper installation and performance. These practices help to ensure the longevity and effectiveness of the suspension system.