![It took all day to get to this point to get the old paint layers off this fender. Can I just sand with 400 grit and primer all over it? It looks It took all day to get to this point to get the old paint layers off this fender. Can I just sand with 400 grit and primer all over it? It looks](https://i.redd.it/53mj7wl3yt2b1.jpg)
It took all day to get to this point to get the old paint layers off this fender. Can I just sand with 400 grit and primer all over it? It looks
![Does painting over rust ,without removing it first, cause the rusting to continue under the paint? : r/NoStupidQuestions Does painting over rust ,without removing it first, cause the rusting to continue under the paint? : r/NoStupidQuestions](https://preview.redd.it/how-to-diy-this-so-car-doesnt-rust-dont-care-about-v0-qo8loyzwzxy91.jpg?width=640&crop=smart&auto=webp&s=ab088ddcc4b71b92fa0005e09af67a4d279877de)
Does painting over rust ,without removing it first, cause the rusting to continue under the paint? : r/NoStupidQuestions
![Amazon.com: Quality Chemical Oxy-Gone/Rust Remover and Metal Treatment/Just like Ospho/Prepares surfaces for painting/Made in USA 1 Gallon Combo : Health & Household Amazon.com: Quality Chemical Oxy-Gone/Rust Remover and Metal Treatment/Just like Ospho/Prepares surfaces for painting/Made in USA 1 Gallon Combo : Health & Household](https://m.media-amazon.com/images/I/71uKYKU22oL.jpg)
Amazon.com: Quality Chemical Oxy-Gone/Rust Remover and Metal Treatment/Just like Ospho/Prepares surfaces for painting/Made in USA 1 Gallon Combo : Health & Household
![Amazon.com: POR-15 Rust Preventive Paint, Stop Rust and Corrosion Permanently, Anti-rust, Non-porous Protective Barrier, 32 Fluid Ounces, Gloss Black : Automotive Amazon.com: POR-15 Rust Preventive Paint, Stop Rust and Corrosion Permanently, Anti-rust, Non-porous Protective Barrier, 32 Fluid Ounces, Gloss Black : Automotive](https://m.media-amazon.com/images/I/713J30x1xZL._AC_UF894,1000_QL80_.jpg)