body and interior How to tackle this rust?

[DeanR32]

Hi guys

My project has only just got off the ground recently, and I'm starting round the back.

I've come across this area and need to know how best to treat the rust. It's a bitch of an area to cut out, and looks even harder to weld. I know there isn't any miracle rust killing solution, but is there anything close to it?

As you can see, it needs cleaning a whole lot better than it is now, but still won't be anywhere near shiny clean steel.

Any tips/recommendations are welcome

Cheers

Dean

[peterschop]

If the metal is still solid, meaning you can"t poke a screw driver through it, you can neutralize the rust by chemical means. I've had good results with Eastwood's Rust Dissolver. Brush it on the area, let sit awhile, like eight hours and then lightly scrub with a brush. Then wash off with water. You may have to repeat a few times. After it is all cleaned up, give it two or three coats of Eastwood's Rust Encapsulator. You can get it in black so it should match you car.

[Mike_B]

Wire cup on an angle grinder should get it down to shiny metal.

[DeanR32]

Thanks for the replies guys.

I'll look into the Eastwood stuff. Is that something I can pick up in the UK? It is solid metal by the way

It's a real tricky area to get anything into. I'll try and get a larger diameter wheel to get in there, but the body of the grinder doesn't allow easy access at all

[peterschop]

I don't know if it is available in the UK but there are other products such as POR-15. 

[FSRacing]

You can treat it with different rust dissolvers that has phosphorous acid in them. it will effectively eat the rust away and leave a thin protective layer. then paint it over with epoxy paint. it will encapsulate it well and prevent further rot.

[stricht8]

Use wire wheel etc to remove most of the rust then use naval jelly to dissolve the rust in the nooks, crannies and pits. Then use POR-15.

[TobyB]

Try different types of wheels- I found that a woodworking (3500 rpm) drill with a wheel on it was good for that

sort of thing.

3M sells a 'stripping' wheel over here that, while pricey, really takes that sort of thing down to the point where

the rust neutralizers will do a good job of stopping the rest from growing.

 

hth

 

t

[DeanR32]

Cheers lads

I'll do my best to get it as clean as possible, then look into some of the products suggested.

I do have a phosphoric acid gel. Not sure on the % of acid, but it stings the nose after a whiff! I've been using it on a few pitted areas on the body. Maybe that'll do for the neutraliser.

I'll have loads of questions in the future.

Cheers guys

[stricht8]

If you want to be really daring you could try muriatic aka hydrochloric acid. It'll eat right through that rust! But you must really be careful to protect your eyes, face, hands and neutralize it when done!

[DeanR32]

I'd be fine using hydrochloric acid, but just wondering how I'd get rid of something so potent after use.

I think I'll use the phosphoric gel I have a couple times, then neutralise and seal it with a Bilt Hanber product, then paint over that with something (not sure what that'll be just yet though).

I've found some b***h areas of rust on this car. Some of the welding I may have to get a pro to do, like rear sub mount areas etc.

It'll take a fair while longer than I thought!