Bumper: Description and Operation

Bumper and Fascia Description

General Motors passenger vehicle bumpers are designed in order to withstand a collision into a fixed barrier at 4 km/h (2.5 mph). After absorbing the energy of the collision, the energy absorbers rebound to 80-90 percent of their original position. The energy absorbing capability of the front bumper and the rear bumper systems is achieved through a foam type energy absorbing structure in each bumper.


The following components are made of thermo plastic olefin or urethane:

* The front bumper fascia
* The rear bumper fascia


The thermo plastic olefin and urethane perform the following functions:

* Withstand minor impact
* Return to the original shape


Refer to General Plastic Repair Instructions () in Plastic Panel Information and Repair for repair or refinishing information on the fascia.


Use care around the theft deterrent labels.