they are spring type nuts that work on tension. theyre more like a little
clip.  you push the clip nut thing on the stud and then put the stud in the
hole and it springs back open on the inside of the body.  all done from the
 outside.

In a message dated 2/22/2014 6:16:02 P.M. Eastern Standard Time,
jim.felder@GMAIL.COM writes:

I am  celebrating ten years of westy ownership by installing the left front
mud  flap that protects the propane equipment. I got a really nice one, but
one  thing has me puzzled.

It's obvious that the two studs that hold the  upper part of the flap to the
side of the Westy go in from the outside and  need nuts installed on the
inside to fasten them. But where and how do you  access those two holes from
the inside to install those nuts?

I am  hoping I don't have to pull the kitchen cabinet just to get to  them.

Jim