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How to change the bumper?
When you first look at a car's bumper, it might seem like it’s just there for decoration. However, this part plays a critical role in ensuring your vehicle's safety. It absorbs the impact during collisions, shielding both the passengers and the overall structure of the car.
This article will guide you through the various functions of the bumper, both at the front and rear. We’ll also delve into how you can replace the rear bumper yourself so you can better understand the process.
Check out: Why is car maintenance essential?
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The Bumper's Functions
Contrary to popular belief, the bumper isn't just for aesthetics. While it does enhance the car's appearance, complementing the paint job or setting itself apart with a contrasting color, its role goes far beyond looks.
Its primary function is to mitigate the impact of a collision, protecting both the passengers and the car's bodywork. Essentially, the bumper serves as the first line of defense in an accident. Although it may not provide complete protection in high-speed crashes, it acts as an initial shock absorber, giving airbags enough time to deploy and safeguard the occupants.
Additionally, the bumper minimizes the effects of accidents involving pedestrians. Its design, particularly at the front, with its flexibility and rigidity, reduces the risk of injury to walkers in the event of a collision.
For sports cars, the front bumper also improves aerodynamics by helping to reduce air resistance due to its curved and contoured shape.
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Steps to Change the Rear Bumper
We’ve previously discussed how the bumper is designed to absorb collision impacts and protect both the passengers and the car's body. Consequently, it’s one of the most frequently damaged parts of a vehicle and requires frequent repairs.
In the past, bumpers were rigid and made of metal, posing risks to pedestrians and other vehicles in the event of a crash. Once damaged, they were nearly impossible to fix. Today, however, bumpers are made from flexible plastics, making them safer and easier to repair, depending on the extent of the damage.
If the bumper is merely scratched or slightly dented, the repair is relatively quick and can be done by any mechanic. For minor scratches, you can even tackle it yourself using the WV40 multipurpose spray.
In the case of severe damage, it's advisable to replace the bumper entirely. A cracked bumper compromises its ability to protect passengers and the rest of the car’s structure, so keep an eye out for hidden cracks and replace the bumper if necessary.
Don’t worry—changing the bumper is simpler than it seems! Here’s an example of how you can replace the rear bumper on a Volvo XC60 using just a screwdriver:
1. Open the trunk and unscrew the screws located at the top of the bumper.
2. On either side of the rear wheels (after removing the interior protective padding), detach the screws securing the bumper to the car body.
3. Carefully pull the bumper forward to release the clips holding it in place.
4. Start pulling from one side of the wheel and continue around the trunk until the bumper is fully removed.
5. Release the springs from their fittings.
6. Install the new bumper, aligning it with the old one, and push it back into place starting from one side of the wheel to secure it onto the bracket springs.
7. Tighten the bolts on the sides of the wheel.
8. Secure the screws on top of the bumper.
9. Close the trunk and verify that the bumper is properly installed.
For those who prefer visual guidance, we have a video tutorial available.
If you're unsure, visiting a certified workshop is always a good idea.
Looking for a rear bumper for your vehicle? Our website offers over 30,000 options for more than 60 different car brands.
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