I’m a big fan of fluid film. It’s a waxoyl-lanolin and a wax carrier that works into seams. I did a suspect seam from the inside and after 2 car washes it was still showing up a little on the outside. I did the whole undercarriage. Like it. 

Dan Lamb

Sent from my iPhone

> On Apr 17, 2020, at 9:39 AM, Thomas Casal <thomas.casal@gmail.com> wrote:
> 
> Thanks Christopher, I just got in there and sanded the heck out of all the
> rust I could get at that’s on the well there. I’m going to apply another
> coat of ospho from the inside. How do you suggest getting it in the seams
> well? I’ve been Applying with a foam brush and trying to douse the seam as
> much as I can. Thanks for your suggestion. I love my bushings and sway bar
> by the way.  Peace tom
> 
>> On Fri, Apr 17, 2020 at 12:11 PM <christopher@t3technique.com> wrote:
>> 
>> In my opinion, it depends on what you expect. If you have plans in the
>> near(ish) future to get in there and really remove/treat the rust and do a
>> full, proper prep and paint job, then I would not suggest using anything
>> other the Ospho, epoxy primer, and a top coat of some kind (I'm not a fan
>> of "rust encapsulators" at all). However, if you don't plan on doing a
>> full, proper repair, prep, and spray job (complete restoration of the area)
>> and you just want to keep the rust under control a bit, I would spray the
>> entire interior area of the seams and rust with cavity wax of some sort.
>> It's a huge pain to clean up and get out of all the seams so you only want
>> to use it either after the complete restoration/repair of the area is
>> complete or if you never plan to do a complete restoration of the area. If
>> you were to use it for the short term with plans to go in and do a full
>> repair in a few months, you would be fighting it all the way since the wax
>> is a real mess. It is designed to creep into the seams and crevices so
>> cleaning it back out is a problem.
>> 3M, Noxudol, Wurth, Fluid Film, etc. make cavity wax in aerosol form and
>> all will work well. Some dry to a bee's wax-like consistency, others stay
>> more liquid, but all spray on in liquid form so it can creep into the
>> crevices and seams.
>> 
>> 
>> -----Original Message-----
>> From: Vanagon Mailing List <vanagon@gerry.vanagon.com> On Behalf Of
>> Thomas Casal
>> Sent: Friday, April 17, 2020 8:14 AM
>> To: vanagon@GERRY.VANAGON.COM
>> Subject: Seam rust
>> 
>> Hello everyone,
>> 
>> I pulled the panels out on the passenger side above the rear wheel well
>> and of course there is seam rust in there on the vertical seam and along
>> the wheel well. I hit it with ospho. Not that happy with the results I’m
>> gonna get my dreamer in there and sand as much of the rust off I can get at
>> and treat it again. I was thinking one more coat of ospho before I paint it
>> with a rust encapsulater but does anyone have any other suggestions how to
>> slow the inevitable? Should I use an oil to instead? Thanks for your
>> suggestions. Peace tom
>> 
>>