Petseal removal from tank

[baz69]

Evening all,got a petrol tank as spare for lc,few pinholes in bottom rhs at front not on the seam,the petseal he put in has failed and fallen away from sides,so i managed to get most of it out , tried soaking in deox with a fish tank heater for 24hrs,all clear except for the bottom layer on tank, what i would like to do is remove the rest and get tank braized where i am presuming pin holes are,so any advice how to either get remainder of petseal out or re seal ,is possible to add petseal on top of old layer.ta

[stusco]

I was speaking to cupar bike paints a couple of years ago and they employ a guy full time removing old liners and relining tanks she didn’t say what they use though but im sure it has to be pristine before relining

[chrisg]

Ive never removed a liner but im told acetone does the job (nail varnish remover)

[cb250g5]

I have a Scott tank that has a failed liner in it. Nothing will touch it. The ideal stuff is that chemical that used to be in Nitromors etc (methylene chloride), that's now banned. I tried soaking a flake I got out in every chemical people thought would touch it - nothing doing.

I have taken my tank up to www.tankcareproducts.co.uk/ to be professionally sorted, as I just can't get the stuff to do it at home. I noticed that amongst the pile of tanks he has in the queue was a 31K tank.

[midlifecrisisrd]

Yes DCM is the stuff

I used to buy it off eBay as it was good for dipping bolts before going for plating

The trick is to find a supplier near to you. It is illegal to use for paint stripping but it appears it is still used for cleaning grp molds after use 😉

Steve

[urbantangleweed]

See if your local powder coater has an acid dip tank (most do) a soak in there will remove everything and take it back to bare metal.

[baz69]

Unfortunately,he had it painted after he petsealed it ,so now i have a pristine exterior with bottom interior petsealed,it's not actually leaking as bottom of tank is sealed it's just sides came away problem i have is i reckon fuel will start to get under the petseal that's still solid in bottom of tank.

[lc350pete]

There are places that can cut away the bottom of the tank and repair without damaging the paintwork, I did look into it but decided in the end to start again , Hartlepool radiators stripped mine completely and repaired and relined it
I can’t remember the company I found sorry who could repair without damaging the paintwork but I would have thought it was possible to cut the bottom of tank out strip inside and replace bottom