Was searching for a DIY way to fix the levelers in the RV and stumbled across these places:
Mod My RV - Took a quick scan and it all looked very interesting.
Since have that motorcycle lift on the back, there is a hydraulic bottle jack and worried about some of the fluid leaking out when pumping it up. Found this site which explains the inner workings and what to do/replace.
Another good resource..
Product: http://www.grizzlygrip.com/Default.aspx (Same as Herculiner in that it's aliphatic)
Shower faucet replacement:
Cummins diesel Maintenance Schedule:
Engine Oil Information: