Why are multiple pulls recommended in unibody repair?

In unibody repair, multiple pulls are recommended primarily to minimize metal tearing and reverse damage sequences. This approach allows technicians to gradually reshape and realign the damaged areas without overstressing the metal, which can lead to further deformation or tearing. By using a series of lighter pulls rather than a single vigorous pull, the repair process can restore the structural integrity of the vehicle while preserving the metal's properties and avoiding additional damage. This technique is particularly important in unibody vehicles where maintaining the original geometry is crucial for safety and performance.

Choosing this method helps in managing the stresses placed on the metal during the repair, allowing it to return to its original shape more effectively and ensuring that the integrity of the unibody is maintained throughout the process.