Guest Chumpalot Posted July 21, 2007 Share Posted July 21, 2007 Not technical as such, thought this was the best place for it though. Whilst washing the car I noticed some rust between the roof and the boot (see pic). Does this look serious to anyone? Should i look towards perhaps getting it treated? Thanks Dave Link to comment Share on other sites More sharing options...
Rayman Posted July 21, 2007 Share Posted July 21, 2007 Looks quite bad that actually, its a spot where lots of water hangs about and doesnt seem to drain away, another spot is the bootlid! Link to comment Share on other sites More sharing options...
Guest Chumpalot Posted July 21, 2007 Share Posted July 21, 2007 Thanks for the reply. I'm hoping it's just surface rust. Could i get some hammerite on there perhaps? I'll check the boot lid now... Link to comment Share on other sites More sharing options...
Homer Posted July 21, 2007 Share Posted July 21, 2007 Thats a very common spot for surface rust on Supra's. Link to comment Share on other sites More sharing options...
Kranz Posted July 21, 2007 Share Posted July 21, 2007 You really need to get rid of it now before it goes deeper & spreads. Take the boot lid off so you can get to it. Get a dremmel (or cheap alternative from Argos or even Woolies). Mask off around the area Grind the rust away making sure its all gone. Wear goggles & a mask. Treat with Jenolite rust remover (can get it on ebay). This is a very strong acid, so wear gloves & goggles. Use a 3M Scotchbrite green pad (available for oven cleaning etc) to rub at it while the acid is on it & wet. Leave for 20 mins, then re-apply acid and rub again. If there are any black spots on the metal keep applying every 10 mins and rubbing with Scotchbrite until the spots are gone. They are rust and no matter what the bottle says they need to be got rid of as there is fresh rust underneath. When finally shiny metal remains wipe with Jenolite on a clean cloth, then with thinners a few minutes later (not water!). Allow to dry for an hour, then prime with etch primer or zinc primer. Give it a few coats, let it dry for a few hours, then flat down with 800 wet & dry (only use it wet). Now time for the top coat. Give it 3 or more light coats, allow to dry then rub down with 1200 wet & dry (wet again). Final top coat x 3 and job's a good'un! Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted July 21, 2007 Share Posted July 21, 2007 Couldn't have put it better myself:) take heed of the advice mate, best not Left! Link to comment Share on other sites More sharing options...
Guest Chumpalot Posted July 21, 2007 Share Posted July 21, 2007 thanks a lot for that K14, much appreciated. Will hopefully do it tomorrow weather permitting. Link to comment Share on other sites More sharing options...
Kranz Posted July 21, 2007 Share Posted July 21, 2007 Couldn't have put it better myself:) take head of the advice mate, best not Left! I know all about rust..... used to own a Jaguar Link to comment Share on other sites More sharing options...
Bobbeh Posted July 21, 2007 Share Posted July 21, 2007 Thats pretty bad, although it should be easy to fix... especially as its inside so any overspray can be hidden fairly easily. Link to comment Share on other sites More sharing options...
neil tt Posted July 21, 2007 Share Posted July 21, 2007 I know all about rust..... used to own a Jaguar Sounds about right, the best train money can buy:d Link to comment Share on other sites More sharing options...
chilli Posted July 21, 2007 Share Posted July 21, 2007 mine has a touch of surface rust there too, nothing as bad as that though. It's a common spot for supra's unfortunately. In fact I think mine is mostly just rusty water marks from where a small area , possibly the hinges have got wet. When the weather is better, I was going to clean it up and treat it with rust killer as mentioned, then I thought the best thing would be some Waxoil, as that area is a water trap at the best of times. Would this not be the best plan of attack, to completely seal it with Waxoil? You can hardly see in there so it doesn't really show much. Out of interest, why does the water get trapped there? Are there drain holes that get blocked or is it just the way it is? Link to comment Share on other sites More sharing options...
Bobbeh Posted July 21, 2007 Share Posted July 21, 2007 It shouldnt get trapped there as the water should run down the sides of the boot... and get trapped by the boot rubbers if the car is stationary. Just looks like a spot where the paint coating didnt need to be as thick maybe? Link to comment Share on other sites More sharing options...
Mike M Posted July 22, 2007 Share Posted July 22, 2007 Mine looks the same and it's a 93 plate, another spot is under the windscreen scuttle plate where the wiper mechanism sits. The paint seems to turn white then the rust appears. Link to comment Share on other sites More sharing options...
chilli Posted July 22, 2007 Share Posted July 22, 2007 yeah I do think it's common problem on many supras, maybe the paint is not so good there then. So, what do people think about waxoil for that area. It's not colour coded but it's not like it has to be body colour finish (just not rusting) as you can hardly see it and getting rid of the rust properly and permenently has got to be priority no 1. I don't think painting it body colour in an area like that is such an easy job and even with special primers I wouldn't necessarily feel that a diy job would be fully effective for many years to come Link to comment Share on other sites More sharing options...
Kranz Posted July 22, 2007 Share Posted July 22, 2007 I painted the area under the scuttle panel where the wiper mechanism is with a 'No more rust' black paint. As its not seen then there's no problem with paint match. If you remove the rust completely as I detailed above there's no reason for it to come back at all. I got 5+ years on similar areas of the Jag. Painting shouldn't be a problem either as its mostly a hidden area, and with careful masking off along a panel line it should not be obvious. Link to comment Share on other sites More sharing options...
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