I bought my 2010 Ranger last summer. Being in the N.E. Ohio rust belt, I wanted to rustproof the underside. After much research, I decided to use Fluid Film for rustproofing. It is a lanolin based product with no solvents. It has to be applied annually. It worked really nice. Here's my problem. I started to prepare the truck for a new coat of fluid film and the pressure washer blew the paint off of the frame in spots. No problem. Just touch it up with POR 15, right? Nope. As I wiped the frame down, more paint came off, as if it never adhered. I took the truck to the Ford dealer and they sumitted a claim to Ford which was denied. They said the problem was the result of "outside influences" the photos showed etching on the bare metal. The dealer is still going to repair the paint, no charge. My thoughts are Ford uses cheap chassis paint and the fluid film had nothing to do with the paint coming off. Has anyone else experienced the chassis paint washing off?

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2010 Ranger XLT 4X4. 4.0 Liter.