How Do You Knock Out a Dent in a Truck Bed?

Dents in truck beds are often the result of heavy items being placed in the bed, dropped from a height, or even from another vehicle running into it. Whatever the cause, fixing a dented truck bed can be an expensive proposition.

Fortunately, there is a much more cost-effective and less time-consuming way to knock out a dent in your truck bed: by doing it yourself.

The first step to knocking out a dent in a truck bed is to clean the area around the dent with soap and water. This removes any dirt or debris that may be preventing the metal from properly adhering to the body of the truck. Once cleaned, use masking tape and plastic wrap to cover any areas of paint that could be damaged during this process.

Next, you’ll need to make sure that you have all of the necessary tools for this job: a rubber mallet, some wood blocks or wedges, and a piece of scrap metal or wood that is slightly larger than the size of the dent. Place these items around the dent so they are evenly distributed.

Now it’s time to start knocking out the dent! Start by lightly tapping around the outside edge of the dent with your rubber mallet. The goal here is not to pound hard enough to make an indentation into your truck bed but rather to loosen up any remaining metal that may still be attached after your initial cleaning.

Once you have loosened up all of the metal around the edge of your dent, place one wood block or wedge behind each side of it and press firmly with your hands. This will cause those pieces to push against each other and begin leveling out your dented area. You may need to adjust where you place these blocks multiple times throughout this process in order for them to provide maximum leverage against each other.

Finally, take one piece of scrap metal or wood and place it directly over top of your dent. Use your rubber mallet again and start lightly tapping all around your scrap material until you hear what sounds like “popping” noises coming from inside your truck bed – this indicates that you have successfully knocked out most, if not all, of your dented area!

With just a few simple tools and some patience, you can easily knock out a dent in your truck bed without having to take it into an auto body shop for repairs. Plus, this method will save you both time and money! So next time something causes an unsightly blemish on your beloved truck bed, don’t despair – just try knocking it out yourself instead.


Knocking out dents in a truck bed can be easier than taking it into an auto body shop for repairs. With just some common tools like rubber mallets and wood blocks/wedges and some patience anyone can do it themselves!

Cleaning off any dirt/debris before starting is essential for ensuring that all pieces properly adhere together during this process. And before long you will have successfully knocked out whatever dents were causing unsightly blemishes on your beloved truck bed!

Photo of author

Karen Watkins