Note: This is a general guide for all vehicles.
How to Replace a Spoiler
Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or closed toe shoes.
Remove and clean any loose paint or dirt from the spoiler's damaged area.
Visually inspect the damaged area to see how large the dent is. Look for any cracks, creases, or cuts in the plastic. If dents are too large to fix, the spoiler will need to be replaced.
Run your hands over the damaged area to see if you feel any dents or distortions on the spoiler.
Check the left and right sides of the spoiler where it mounts to the body to see if it has broken loose.
Remove the spoiler from its mounting position.
Take the new spoiler and make sure it is primed or has an e-coat before the paint is applied. Many new original equipment and aftermarket spoilers come pre-primed. Some manufactures recommend this primer not to be removed due to its anti-corrosive and paint adhesion properties.
Clean the entire spoiler with 600 grit wet sandpaper to remove any contaminants such as dirt, grease, or dust.
Apply a basecoat to the entire spoiler.
Let the paint dry completely.
Apply a clear coat to the entire spoiler.
Check for dirt in the paint.
Remove any large dirt with a sharp razor blade.
Soak some 1500 grit sandpaper in soapy water.
Add soapy water to a spray bottle and spray it on the painted surface.
Use a block with the sandpaper to help apply even pressure when sanding.
Sand the area in a circular motion until all the dirt is removed.
Repeat the process with 2000 grit sandpaper soaked in soapy water.
Wipe the spoiler down with an alcohol water mixture and re-inspect for dirt.
Use a polish compound to remove any swirl marks left from the sanding.
Install the new spoiler in reverse order. You may need to replace clips or retainers that were broken during the removal of the spoiler.
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