I found an LX 450 with 130k miles and lockers. How big of a concern is the rust on the underside?
In this last picture you can see where I started scrubbing with the wire brush, most of the loose stuff came off but there is still a hard orange layer that the wire would no longer do anything for.
![a2ppIK7.jpg](http://i.imgur.com/a2ppIK7.jpg)
![kj543rH.jpg](http://i.imgur.com/kj543rH.jpg)
In this last picture you can see where I started scrubbing with the wire brush, most of the loose stuff came off but there is still a hard orange layer that the wire would no longer do anything for.
![CodnNUY.jpg](http://i.imgur.com/CodnNUY.jpg)