Was cleaning undercarriage and found rust eating on my gas tank i think, any advice how to remove this one ?

 

Its not bad, if its not leaking you should leave it.

I just went through this ordeal and it was terrible. You have to take the rear seats out, unbolt the fuel pump stuff, unbolt the metal bracket running across and unplug two plugs as well.

Then from under neath there are two straps and some other stuff. You'll need to use a jack with some wood to kind of jack it up and down and lower it slowly.

Also, there is a 17mm, I believe drain plug that will alleviate a lot of the weight too.

Be careful, fumes are dangerous.

 

Well lets say it does rust out it wont affect the chassis right? Since its removable?

 

correct