![Looks a bit deeper than surface rust. Pulled out the plastic bed liner planning to do a spray in liner and saw this. Do I have reason for concern? Can I just Looks a bit deeper than surface rust. Pulled out the plastic bed liner planning to do a spray in liner and saw this. Do I have reason for concern? Can I just](https://preview.redd.it/fq9p5u5o7wm71.jpg?auto=webp&s=1b87eb5341aeb763cf0eaab8c27abc7770f3482d)
Looks a bit deeper than surface rust. Pulled out the plastic bed liner planning to do a spray in liner and saw this. Do I have reason for concern? Can I just
![PSA for Tundra owners with a plastic bed liner or those looking to buy one: Check under the liner. Was planning on replacing the liner with Line-X on my otherwise pretty rust-free PSA for Tundra owners with a plastic bed liner or those looking to buy one: Check under the liner. Was planning on replacing the liner with Line-X on my otherwise pretty rust-free](https://preview.redd.it/psa-for-tundra-owners-with-a-plastic-bed-liner-or-those-v0-0mu6fy5l37w91.jpg?width=640&crop=smart&auto=webp&s=a6cbaf10d95791c4cd809ca0f60b532008cd98c5)
PSA for Tundra owners with a plastic bed liner or those looking to buy one: Check under the liner. Was planning on replacing the liner with Line-X on my otherwise pretty rust-free
![Amazon.com: U-POL Raptor Reflex Blue Urethane Spray-On Truck Bed Liner & Texture Coating, 4 Liters : Automotive Amazon.com: U-POL Raptor Reflex Blue Urethane Spray-On Truck Bed Liner & Texture Coating, 4 Liters : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81w6cWXIIKL._AC_UF894,1000_QL80_.jpg)