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How to fix rusty hole in truck floor.
If the rust damage is extensive replacing the entire floor pan with a one piece panel is the best way.
Sand off the rust until you get the solid body.
While patching a hole caused by rust is not too difficult it does take some patience especially if you want to repaint the vehicle yourself.
However sometimes it is necessary to repair holes in the bottom of the floor pan.
Floor pans are the base metal layer of a vehicle s floor that everything else rests on.
Using a fiberglass repair kit to fix rust holes.
To repair this hole correctly you must first cut away any rusted or thin metal surrounding the hole so that you have a good surface to weld a patch.
To fix rust holes on your car you ll need to get rid of all the rust first.
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This is most common for older cars.
Now paint the surrounding area with a rust resistant primer or rust converter.
You ll also need to cut away the affected metal with a grinder or tin snips.
Using a grinder with a cutting wheel cut away the rust or thin metal in as uniform a shape as possible so your patch looks professional.
One of the best ways to patch the holes is with fiberglass sheeting.
Mike bumbeck next up i used a pneumatic flanging tool that clamped its offset jaws onto the steel and gnawed around the hole so the steel patch had a recessed contact patch to sit flush in the adhesive for minimum body.
Remove all of the paint around the hole with a wire brush attachment on your drill.
If the hole caused by rust is not in a load bearing area of the car such as the chassis it is possible to repair it with glass fiber or body filler.
The previous owner had chosen to ignore the small rust holes and just roll a coating of some sort possibly truck bed coating over the front half of the floor and called it a day.
Following some quick work with a sharpie and cutoff wheel a perforated steel and bondo sandwichs littered my workspace floor.
Once you ve cut away the metal cover the hole with a piece of wax paper and apply a mixture of.
There are several ways to deal with a rusty floor.
Use sanding disc to clear off all the rust until you reach the bare metal.
If the hole isn t too big you can do a patch repair.
Here s a few tips on repairing rust holes in car body panels.
Usually the pans do not rust or need repairs.
Apply as per the manufacturer s instruction.
In this video im showing you the process i use to do small rust repairs where a complete panel.