Hello all, After noticing that alot of people wanted new over-flow bottles I thought it would be best to let you in on a secret on cleaning your overflow bottles. As you all know after a good 16 years of having the same over-flow bottle you get rust lines, coolerant lines and such inside your bottle... and if you have tried things to clean it you will notice that NOTHING CLEANS IT! Hot water from the kettle - not bother - it does sh@t all. Degreaser cleans some.... but not the baked on crap. CLR (as seen on TV sh@t) is totally worth less. The BEST stuff to use is hydrochloric acid - found at any good hardware store. TIPS: Take the over flow bottle out, you get any of that acid on your paint work it will eat it away. Use protection (it burns your skin) Depending on the baked on rust, 50% ratio with water should do. Put it in - shake it around for a minute or so... it will go away in seconds. Then finally wash it out, fully.. just to make sure none goes though your cooling system. People are going to call me retarded for giving out this infomation saying "its acid.... it will eat away my plastic over-flow bottle"... Hydrochloric acid comes in a plastic bottle... it will not harm your over-flow bottle, I do stress that you need to take the bottle out of your engine bay (2 screws) to make sure it dont get on any metal or paint work because it makes metal rust and its a paint stripper and also wash it out to make sure no left over acid is still in the bottle. Want some proof? send us a pm and your email and ill show you my overflow bottle, so clean you could drink out of it (not recommended ;-) ). I hope this helps you all out, Cheers, Daz

Sounds good mate, I was going to recommend bleach or something similar, soaked in bleach it should do something similar I'm thinking. If you want me to put the before and after pics up, if you have some. Send them to [email removed]

Degreaser and a pressure cleaner! Or just buy a new 1, there only about $30

hehe you said it jet6 buy a brand new one they look sweet as hehe after so many years the plastic tends to get holes etc in it anyway.. but dazza thats a pretty good idea dude Some original photos have not been recovered yet.

30!? I paid 50.. *******s.

don't mean to hijack the thread or anything but another tip is to spray some UV plastic protectant stuff like polyglaze or armorall on it every now and then to put the moisture back into it and stop the sun from cracking it, cause the sun gets it on an angle where the bonnet meets the 1/4 panel. I noticed this is the area the mostly start to crack and go brittle.

Bex they seen you coming!!!!! I paid $15 but there about $30ish at trade!

i found paint thinners works great!

note: just use crc on it make it look cleaner i always do ovr plastics make then look nice for a while

good idea dude

just buy a new one - the look very neat when new, like jet said - they are cheap as chips!