Front Bumper Reinforcement: Description and Operation

Door and Bumper Reinforcement Beams

The door and rear bumper reinforcement beams are made from high-strength steel.
If high-strength steel is heated, the strength of the steel is reduced. If high-strength steel is damaged, for example, in a collision, and the door and bumper reinforcement beams are bent, the beams may crack when attempting to straighten them. If a door beam is damaged, the whole door panel assembly must be replaced.

The front bumper reinforcement beam is made of aluminum alloy.
For this reason, the door and bumper reinforcement beams should NEVER be repaired; they must be replaced if they are damaged.