2014~2021 Underbody protection and rust removal with cable grease

[hulagu]

My 2014 Mazda 6 had some rust on the axle parts and engine mount. I just brushed and sprayed cable grease on it. Look at the result. Like brand new from the factory. it will never rust again.

 

[hulagu]

here are some pictures from the work. jack it up and remove the wheelhouse liners.