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AndyS



Member Since: 18 Aug 2012
Location: London
Posts: 595

United Kingdom 2011 Defender 110 Puma 2.4 XS CSW Sumatra Black
Corrosion Prevention Questions
Hello,

I jet-washed the underside today and had a squirt around with the WD40 can and I think it's time I tackled the rust that's appearing on my 2011 110, it's nothing major as the car is still young but I don't think I should leave it, best to tackle it now rather than later.

My question is not about preventing rust, I'll follow the advice on the Dinitrol thread when it comes to paint it up, it's about what to do with the rust that's currently there. Is it wrong to cover it up with Dinitrol or should I treat it somehow first and if yes, treat it how? Would covered rust remain active?

Here's an example of what needs to be tackled:




All surface rust but rust none-the-less and I don't like seeing it so would like to treat it. The coach builder chap who I spoke to last year said he'd Dinitrol it all and treat the rust but I didn't get the name of the product he mentioned about treatment, any ideas?

Lastly, I think I found evidence of Land Rover undercarriage treatment, it's pretty extensive! Is my Defender the only one of it's kind to have Land Rover under seal? Rolling Eyes




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Edited to change thread title to something more suitable.


Last edited by AndyS on 19th Jul 2013 4:03pm. Edited 1 time in total
Post #223449 30th Mar 2013 2:43pm
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spudfan



Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4646

Ireland 
For what it is worth. I cleaned everything, undercoated it then brush painted it with Dulux gloss.Still shedding water like the proverbial duck's back.The occasional cleaning with soapy water and a paint brush followed by a hosedown brings the chassis back to gleaming again. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai
Post #223463 30th Mar 2013 4:15pm
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williamthedog



Member Since: 29 Dec 2012
Location: south wales
Posts: 3441

2011 Defender 90 Puma 2.4 PU Tamar Blue
I steam clean mine usually once a week (in works time Very Happy )
Then i spray the chassis with a water repellent , similar to duck oil, also from work oops Very Happy
No rust at all and salt and grime cant get a grip either Thumbs Up
Post #223537 30th Mar 2013 8:19pm
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Green Machine



Member Since: 19 Nov 2010
Location: North Yorkshire
Posts: 1226

United Kingdom 2005 Defender 90 Td5 CSW Tonga Green
Would be worth using a rust converter on anything you can see before dinitrol. If rust is there, it carries on! No matter what you put over the top of it. You can slow it down a lot, but it won't disappear. There are loads of rust converters available, they cause a chemical reaction with the oxidisation and turn it into something stable that won't oxidise. First one I can think of off the top of my head is Hydrate 80 by Bilt Hamber. Not used it myself, but seems well regarded. 2005 Td5 | 90 Station Wagon | Tonga Green
Post #223547 30th Mar 2013 8:45pm
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AndyS



Member Since: 18 Aug 2012
Location: London
Posts: 595

United Kingdom 2011 Defender 110 Puma 2.4 XS CSW Sumatra Black
Thanks people, most helpful. I popped down to Halfwits today and had a look on the shelf for rust eater and there were a few to choose from, then added the Waxoyl kit (sprayer, pump and refill bottle) and that came to about £80. On the Dinitrol website they have a KIT that has all that and the rust eater for £100 so I think I'll order that.

Hopefully it'll end up all black and rust free.

Thanks again, I'll post pictures when it's done (when it's warmer so don't hold your breath).
Post #223719 31st Mar 2013 7:10pm
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Cakey



Member Since: 19 Feb 2013
Location: Cheshire
Posts: 468

United Kingdom 2012 Defender 90 Puma 2.2 XS CSW Santorini Black
Best thing as rust eater is acf-50
Post #223727 31st Mar 2013 7:52pm
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spudfan



Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4646

Ireland 
From Bilt Hamber
http://www.bilthamber.com/dynax-ub
http://www.bilthamber.com/dynax-uc
http://www.bilthamber.com/dynax-s50
http://www.bilthamber.com/catalogsearch/re...st+Remover 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai
Post #223728 31st Mar 2013 7:57pm
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yobbie



Member Since: 15 Nov 2010
Location: Isle of Wight
Posts: 712

United Kingdom 1999 Defender 90 Td5 Heritage LE Bronze Green
Cakey wrote:
Best thing as rust eater is acf-50

Or Corrosion Block, that's what we use in marine environment.
Post #223732 31st Mar 2013 8:12pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20319

United Kingdom 
Please excuse my ignorance but am I correct in thinking ACF 50 is similar to WD-40 only with different properties? Also what is the difference between Waxoyl and Dinitrol?

I know I know I should know this.. Embarassed â­ï¸â­ï¸God Bless the USA 🇬🇧🇺🇸 â­ï¸â­ï¸
Post #223733 31st Mar 2013 8:33pm
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bm52



Member Since: 04 Apr 2010
Location: Kent
Posts: 2189

United Kingdom 2014 Defender 110 Puma 2.2 XS CSW Havana
i was thinking the same so i have just read http://www.acf-50.co.uk/
and bought this http://www.ebay.co.uk/itm/ACF-50-Anti-Corr...589d82fdb4

as soon as it is warmer i will be crawling everywhere under and over the 90. i have used it before years ago on my 300 but the Puma 90 is about to get a complete workover BM52
Post #223734 31st Mar 2013 8:36pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20319

United Kingdom 
Thank-you. Thumbs Up Same for me also it will be done this year when it's guaranteed to be drier (I hope) in a few months time. These wet winters are really not good and of course the salt. â­ï¸â­ï¸God Bless the USA 🇬🇧🇺🇸 â­ï¸â­ï¸
Post #223735 31st Mar 2013 8:39pm
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DRW58



Member Since: 23 Feb 2013
Location: Perthshire
Posts: 167

Scotland 2001 Defender 90 Td5 SW Epsom Green
Thanks Spudfan, just ordered some of their rust eating stuff.
Respect to AndyS but you really need to see under my defender to see how bad it can get.
I suppose it has to start somewhere.
New galvanised chassis upgrade next month, going for more or less the full monty, its going to be shinier underneath than it is on top Thumbs Up
DRW I built a garage for my Mini
With a place for everything and everthing in its place.
Ten years down the line there's a Mini in there somewhere, and Censored all's where it should be!!!! Ho hum
Post #223739 31st Mar 2013 8:52pm
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AndyS



Member Since: 18 Aug 2012
Location: London
Posts: 595

United Kingdom 2011 Defender 110 Puma 2.4 XS CSW Sumatra Black
DRW58 wrote:
Respect to AndyS but you really need to see under my defender to see how bad it can get.


There's a red 110 up the road for sale which is just rust colour underneath, I'm keen to avoid that look and getting it early is the best way, surely. The back of the diff is the worst bit, that'll need wire-brushing. It's pretty crap for a year old car.
Post #223961 1st Apr 2013 6:15pm
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Sonarmender



Member Since: 04 Apr 2013
Location: Guz
Posts: 338

England 2015 Defender 90 Puma 2.2 HT Corris Grey
This isn't cheap but it works a treat and is really easy to apply with no real mess.

Scottoiler 365! A water based anti corrosion fluid. Used it for years on my Yamaha jet ski, which is always used in the sea, ( no corrosion) . Fantastic stuff just apply to all areas of chassis and running gear after jet washing (with the exception of brakes). My local LR dealer are amazed at how clean and rust free my chassis is, i would go as far as saying that it nearly sparkles.

Try getting a piece of angle iron, spray it a couple of times with 365 letting it dry between applications and then submerse it in salt water over night .... no rust.

Yes my LR is only a year old but the previous one was six and was just as clean and rust free.
Whistle You only have one life, live it....forget the cost.
90XS Hardtop
Post #224744 4th Apr 2013 10:22pm
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LR90XS2011



Member Since: 05 Apr 2011
Location: bickenhill
Posts: 3641

United Kingdom 2011 Defender 90 Puma 2.4 XS CSW Galway Green
I followed Zags advice with mine and its looking good so far, used dinitrol which to me appeared to be easier to apply than waxoyl that I had used in the past. ACF50 is way better than WD40, WD40 is fish oil, ACF50 is something different. When I got the Landy an old Raliegh bike we have got kicked out of the garage, after a week it was starting to go rusty it had been WD40d extensively during is life, so I tried ACF50 and it still looks as good as the day it was left there its been 2 years now and I only sprayed it once, I now have a tin of ACF50 to use on all outside hinges, latchs and the like and its brilliant, yes its not cheap but it definitely works. Its great for running into the cappings and spraying up into the rear tub top capping DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy
Post #224756 5th Apr 2013 5:42am
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