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MrGimper



Member Since: 05 Jun 2016
Location: Andover
Posts: 57

England 2005 Range Rover Sport TDV6 HSE Zambezi Silver
Side Step Metal Discolouration

Hi all

Massively frustrated.... bought some replacement side steps and had them fitted the beginning of the month. Cracking job, looked wonderful compared to the rusted knackered old ones.

Fast forward to a few days ago and I got the local car wash to wash the car. Noticed today there are strange runs and discolouration on the metal on the steps. Looks like some chemical reaction. Tried washing but no joy.

Anyone got any advice, except go off on one at the car wash place?

Cheers

Post #575874 Mon Feb 25 2019 4:27pm
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Red Arrow



Member Since: 06 Jun 2017
Location: Scotland
Posts: 575

United Kingdom 

Try a bit of Solvol Autosol - should polish out .
Then apply some protective coating - ceramic is best

Post #575879 Mon Feb 25 2019 5:49pm
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gogsy1956



Member Since: 15 Jun 2013
Location: Tyne and Wear
Posts: 916

United Kingdom 2010 Range Rover Sport TDV8 HSE Bali Blue

I use meguiars metal Polish, it's a paste rather than a liquid and I put it on with a dishwasher sponge,, sometimes use the green back if the marks are bad. 2010 RRS, TDV8
bali Blue / colour coded
side steps / flappy paddles
black perforated leather
22" overfinch
heated everything, TV,fridge ...... now with gold calipers and mud flaps !( black mud flaps that is) !!
Many years ago,,,,, 1955 series 1 landie , sometimes wish I had kept it

Post #575886 Mon Feb 25 2019 6:47pm
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MrGimper



Member Since: 05 Jun 2016
Location: Andover
Posts: 57

England 2005 Range Rover Sport TDV6 HSE Zambezi Silver

Thanks all, will look into your replies.

Here's a pic of what I'm talking about Sad

Click image to enlarge

Post #575943 Tue Feb 26 2019 12:46pm
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Evo5man



Member Since: 04 Jun 2017
Location: Skegness, Lincolnshire
Posts: 222

United Kingdom 2013 Range Rover Sport SDV6 HSE Lux Orkney Grey

Hi there,

I have exactly the same discolouration on my side step alloy trims. Did you find anything that restored the trims?

Thanks.

Steve

Post #576757 Sat Mar 09 2019 8:10pm
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Evo5man



Member Since: 04 Jun 2017
Location: Skegness, Lincolnshire
Posts: 222

United Kingdom 2013 Range Rover Sport SDV6 HSE Lux Orkney Grey

Bump Thumbs Up

Post #577538 Thu Mar 21 2019 9:54am
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1847

England 2012 Range Rover Sport Supercharged Autobiography Fuji White

My steps discoulered before I even removed the protective plastic cover. I drove back from the garage, parked the car for 3 months while I was in the states and only pulled the protective cover off when I returned. And I had instant tarnishing.

I’m thinking of taking the trim off and spaying gloss black. 2012 5.0 SC AB
Mods:
TPMS
Genuine LR DRLs
Remote Boot close from key fob
2016 Discovery 4 Mirrors AKA RRS2
2014 L405 Surround Camera retro fit (WIP)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE
2014 LR4 Homelink
2016 FFRR Electrochromatic Wing Mirror Glass

70 plate Focus ST (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)
1943 Whites M16 Halftrack (Current)
16 plate Eurofighter Typhoon, 2 x Eurojet engines with 20,000lbs thrust each. 1380mph

Post #577556 Thu Mar 21 2019 12:39pm
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HughN



Member Since: 10 Sep 2017
Location: Near Llanybydder
Posts: 651

Wales 

I've used alloy wheel cleaner in the past.

Post #577619 Fri Mar 22 2019 9:14am
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Evo5man



Member Since: 04 Jun 2017
Location: Skegness, Lincolnshire
Posts: 222

United Kingdom 2013 Range Rover Sport SDV6 HSE Lux Orkney Grey

Thanks for the replies Thumbs Up

I too was thinking of colour coding the strips to the car but will give alloy wheel cleaner a go over the weekend and report back on the results Thumbs Up

Post #577627 Fri Mar 22 2019 11:19am
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Autobiography1969



Member Since: 17 Sep 2018
Location: S/E
Posts: 464

England 

I have read that these are aluminium strips, so I will be trying the usual
wheel cleaners and some Mothers cleaner on mine..

Will let you know how it goes..

Mine look the same as the pic's above at the moment.. ===========================================
2012 Range Rover Sport Autobiography 3.0 SDV6 8 speed Automatic
Indus Silver with Hockenheim premium two-tone leather Ebony/Lunar,

Post #577657 Fri Mar 22 2019 7:35pm
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Signori



Member Since: 30 Jan 2017
Location: Baildon, West Yorkshire
Posts: 32

United Kingdom 2008 Range Rover Sport TDV8 HSE Java Black

Evo5man wrote:
Thanks for the replies Thumbs Up

I too was thinking of colour coding the strips to the car but will give alloy wheel cleaner a go over the weekend and report back on the results Thumbs Up


Any luck with cleaning them? I tried a metal polish and it didnt work Sad

Post #577808 Mon Mar 25 2019 2:38pm
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Evo5man



Member Since: 04 Jun 2017
Location: Skegness, Lincolnshire
Posts: 222

United Kingdom 2013 Range Rover Sport SDV6 HSE Lux Orkney Grey

I have just tried a few methods and products to get the 'staining' off my aluminium side step trims, here is what I found:


This is what they looked like before I started.

First I tried T cut and although it did improve the look, it did not remove the staining completely.


This was the result after T cut

Next I tried Meguiars NXT Metal Polish.


No real improvement over the T cut trial

Finally, I tried a weak acid cleaner recommeneded for cleaning alloy wheels.


This made the staining worse Big Cry I had to go over the trims again with T cut to restore the finish back to the previous imperfect finish.

I am starting to think that the staining may be behind a laquer applied to the aluminium trim during manufacture?

Looks like the only solution is to have the trims removed and painted, unless anyone has found a solution that works?

If anyone out there has found a permanent and effective solution (other than painting or replacement) please share it with the rest of us Thumbs Up

Post #577939 Wed Mar 27 2019 11:03am
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HughN



Member Since: 10 Sep 2017
Location: Near Llanybydder
Posts: 651

Wales 

Hmm. Perhaps its an age-related thing my side-steps cleaned up with alloy cleaner but are quite old and any lacquer/coating would be long gone.

Could it be some sort of anodising?

Post #577942 Wed Mar 27 2019 12:06pm
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1847

England 2012 Range Rover Sport Supercharged Autobiography Fuji White

Mine is anodised by the looks of it, and it doesn’t like salt 2012 5.0 SC AB
Mods:
TPMS
Genuine LR DRLs
Remote Boot close from key fob
2016 Discovery 4 Mirrors AKA RRS2
2014 L405 Surround Camera retro fit (WIP)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE
2014 LR4 Homelink
2016 FFRR Electrochromatic Wing Mirror Glass

70 plate Focus ST (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)
1943 Whites M16 Halftrack (Current)
16 plate Eurofighter Typhoon, 2 x Eurojet engines with 20,000lbs thrust each. 1380mph

Post #577944 Wed Mar 27 2019 12:25pm
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Eaters



Member Since: 11 Apr 2016
Location: East Sussex
Posts: 1532

United Kingdom 2008 Range Rover Sport TDV8 HSE Zermatt Silver

My recollection of school chemistry is that aluminium oxidises almost instantly on contact with air to a dull grey. If you have a piece of aluminium and scratch it, just for moment you see the true shiny colour of aluminium.

So assuming that these strips are aluminium, if they are shiny it must be because something is stopping the air from getting to the aluminium - perhaps lacquer.

I know mine are in a pretty bad condition and I've tried a few things to clean them but nothing has been perfect. I guess it may well come down to a sand-down job, some aluminium etch primer and then a repaint - perhaps black - followed by a protective strip of some sort.

Not convinced of my chemistry here but the solution may be the only way. Robin
2008 Range Rover Sport TDV8
Gone:
Jaguar S-Type V8 4.2 Sport
MGZTT 190 2.5

Post #577964 Wed Mar 27 2019 3:46pm
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