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Home > Faults & Fixes > Front Right oil leak, suspect it’s ARB.
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1409

England 2012 Range Rover Sport Supercharged Autobiography Fuji White
Front Right oil leak, suspect it’s ARB.

Well after 3 months of pain free ownership, the Supercharged has decided to cock it’s leg and give me its first leak! I suspect it’s something to do with the ARB as the Dynamic Response reservoir (is it called that?) is well below minimum and when I last checked it (about 4 weeks back) it was within limits. I’ve taken some photos but doubt they’re of much help. Can someone give me an idea of what/where I should be looking at. Is there any unions/pipes in the front right wheel well that could leak or is it pretty much a sure thing the ARB is goosed?








 2012MY RRS 5.0 Supercharged Autobiography (Current)
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Post #557606 Mon May 28 2018 7:51pm
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Disco_Mikey



Member Since: 08 Apr 2012
Location: Dundee, Scotland
Posts: 3490

United Kingdom 

Most likely, the DR pipes

Had one in today with exactly the same leak from exactly the same area...

Post #557611 Mon May 28 2018 8:40pm
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1409

England 2012 Range Rover Sport Supercharged Autobiography Fuji White

Thanks for the fast reply, are the pipes in question the 2 pipes seen in the photos I’ve attached? I thought they looked quite corroded so wouldn’t be suprised.

Next question, are their replacement suitable for a competent diy mechanic? I’m a fast jet engineer by trade but I’m not a trained automotive engineer so know when I’m in to deep.

Shame I don’t make regular visits to Leuchars anymore or I’d be landing on your door step. 2012MY RRS 5.0 Supercharged Autobiography (Current)
Mods:
TPMS (Complete)
Genuine LR DRLs (Complete)
Remote Boot close from key fob (Complete)
2016 Discovery 4 Mirrors AKA RRS2 (Complete)
2014 L405 Surround Camera retro fit (WIP)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE (Complete)
2014 LR4 Homelink (Complete)
2016 FFRR Electrochromatic Wing Mirror Glass (Complete)

67 plate Focus ST Line (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)

Post #557614 Mon May 28 2018 9:26pm
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Disco_Mikey



Member Since: 08 Apr 2012
Location: Dundee, Scotland
Posts: 3490

United Kingdom 

It's a full day's work.

Body need separated from the chassis

Pipes are usually seized in the valve block

Not a fun or easy job...

Post #557621 Tue May 29 2018 5:32am
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1409

England 2012 Range Rover Sport Supercharged Autobiography Fuji White

You were in deed spot on with your diagnosis. I took the wheel off and dried everything off. Started the car and after a while started with a weep at this body mount.




I also found a nut loose on the valve block. I reckon this should be tight.





Is this the reason the body needs lifting? To get the pipes over the frame?


 2012MY RRS 5.0 Supercharged Autobiography (Current)
Mods:
TPMS (Complete)
Genuine LR DRLs (Complete)
Remote Boot close from key fob (Complete)
2016 Discovery 4 Mirrors AKA RRS2 (Complete)
2014 L405 Surround Camera retro fit (WIP)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE (Complete)
2014 LR4 Homelink (Complete)
2016 FFRR Electrochromatic Wing Mirror Glass (Complete)

67 plate Focus ST Line (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)

Post #557662 Tue May 29 2018 2:23pm
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Hamtheman



Member Since: 18 Jan 2017
Location: Joburg
Posts: 30

South Africa 2011 Range Rover Sport Supercharged Alaska White

Wow for a 2012 model there is significant corrosion present?

Post #557670 Tue May 29 2018 3:30pm
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1409

England 2012 Range Rover Sport Supercharged Autobiography Fuji White

I think it’s pretty normal for a U.K. car that’s 6 years old. When I can get to it I’ll waxoyl the underdide as I’ve done with all my cars. The U.K. salted roads can make a real mess of the underside of a car, regular washing helps but it never stops. 2012MY RRS 5.0 Supercharged Autobiography (Current)
Mods:
TPMS (Complete)
Genuine LR DRLs (Complete)
Remote Boot close from key fob (Complete)
2016 Discovery 4 Mirrors AKA RRS2 (Complete)
2014 L405 Surround Camera retro fit (WIP)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE (Complete)
2014 LR4 Homelink (Complete)
2016 FFRR Electrochromatic Wing Mirror Glass (Complete)

67 plate Focus ST Line (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)

Post #557674 Tue May 29 2018 4:47pm
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1409

England 2012 Range Rover Sport Supercharged Autobiography Fuji White

Parts ordered. £250 (VAT included), so just need to work out how much body lift is required and what I need to disconnect to achieve it. Luckily I dont need the car for about 10 days.

DM, can you give me an idea how much lift is required? I can jack an RAF Typhoon in 20 minutes but a RRS.... 2012MY RRS 5.0 Supercharged Autobiography (Current)
Mods:
TPMS (Complete)
Genuine LR DRLs (Complete)
Remote Boot close from key fob (Complete)
2016 Discovery 4 Mirrors AKA RRS2 (Complete)
2014 L405 Surround Camera retro fit (WIP)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE (Complete)
2014 LR4 Homelink (Complete)
2016 FFRR Electrochromatic Wing Mirror Glass (Complete)

67 plate Focus ST Line (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)

Post #557677 Tue May 29 2018 5:37pm
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1409

England 2012 Range Rover Sport Supercharged Autobiography Fuji White

Happy to report all is fixed, now I just need to make a tool to bleed the ARB. I have a new filter for the valve block so I think I’ll do a full fluid flush front to back at the same time.

One thing I did notice, according to the workshop manual I should have a frame to body damper at the front like the ones at the back.

My car, no damper but holes are present.


From the workshop manual

 2012MY RRS 5.0 Supercharged Autobiography (Current)
Mods:
TPMS (Complete)
Genuine LR DRLs (Complete)
Remote Boot close from key fob (Complete)
2016 Discovery 4 Mirrors AKA RRS2 (Complete)
2014 L405 Surround Camera retro fit (WIP)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE (Complete)
2014 LR4 Homelink (Complete)
2016 FFRR Electrochromatic Wing Mirror Glass (Complete)

67 plate Focus ST Line (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)

Post #558018 Sat Jun 02 2018 11:37pm
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jimmybee



Member Since: 11 Jul 2019
Location: Liverpool
Posts: 3

United Kingdom 2012 Range Rover Sport SDV6 HSE Lux Java Black

did you have to have the body lifted? if so, what cost/time?

Post #583818 Thu Jul 11 2019 1:44pm
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1409

England 2012 Range Rover Sport Supercharged Autobiography Fuji White

The body should be lifted but I didn’t. I bought new pipes, did some measuring, some cutting, and used some 3000 Bar couplers to join the pipes back together. £250 for the pipes and £12 for the couplers. My local indie quoted £1200. It took me longer to get the under tray off than it did to fit the pipes!


If you only have one corroded pipe, you could just fit a new length of standard sized pipe and use 2 couplers. 2012MY RRS 5.0 Supercharged Autobiography (Current)
Mods:
TPMS (Complete)
Genuine LR DRLs (Complete)
Remote Boot close from key fob (Complete)
2016 Discovery 4 Mirrors AKA RRS2 (Complete)
2014 L405 Surround Camera retro fit (WIP)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE (Complete)
2014 LR4 Homelink (Complete)
2016 FFRR Electrochromatic Wing Mirror Glass (Complete)

67 plate Focus ST Line (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)

Post #583826 Thu Jul 11 2019 4:37pm
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knwatkins



Member Since: 09 Sep 2018
Location: Poole, Dorset
Posts: 364

United Kingdom 2010 Range Rover Sport 3.0 TDV6 HSE Stornoway Grey

Great job Thumbs Up

Would you mind posting up the part numbers and specific couplers used please? It'll really help other DIYers in the future who don't have access to a lift. Kev

MY2010 RRS HSE 3.0 TDV6 in Stornoway Grey

Post #583830 Thu Jul 11 2019 7:06pm
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1409

England 2012 Range Rover Sport Supercharged Autobiography Fuji White

I would love to but it’s 18 months ago and I just went to my local hydraulic specialist with the pipe bore size and he produced these couplers from stock.
Below is an example, SS304 is stainless steel which is what I got. You may see them for £30 but a good supplier should have them for a tenth of that.

https://www.ebay.co.uk/itm/1X-3mm-22mm-Equ...ozqWWKIWnA 2012MY RRS 5.0 Supercharged Autobiography (Current)
Mods:
TPMS (Complete)
Genuine LR DRLs (Complete)
Remote Boot close from key fob (Complete)
2016 Discovery 4 Mirrors AKA RRS2 (Complete)
2014 L405 Surround Camera retro fit (WIP)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE (Complete)
2014 LR4 Homelink (Complete)
2016 FFRR Electrochromatic Wing Mirror Glass (Complete)

67 plate Focus ST Line (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)

Post #583834 Thu Jul 11 2019 7:23pm
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knwatkins



Member Since: 09 Sep 2018
Location: Poole, Dorset
Posts: 364

United Kingdom 2010 Range Rover Sport 3.0 TDV6 HSE Stornoway Grey

Ah, I didn't notice the dates on the posts Embarassed

Thanks anyway! Kev

MY2010 RRS HSE 3.0 TDV6 in Stornoway Grey

Post #583835 Thu Jul 11 2019 7:37pm
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1409

England 2012 Range Rover Sport Supercharged Autobiography Fuji White

No problem, hopefully others will find it a better option than lifting the body. If I hadn’t of bought the full pipe set, I would have just replaced the one pipe that had corroded. I also painted the pipes around the rubber insulators and put some grease on them (safe for rubber). 2012MY RRS 5.0 Supercharged Autobiography (Current)
Mods:
TPMS (Complete)
Genuine LR DRLs (Complete)
Remote Boot close from key fob (Complete)
2016 Discovery 4 Mirrors AKA RRS2 (Complete)
2014 L405 Surround Camera retro fit (WIP)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE (Complete)
2014 LR4 Homelink (Complete)
2016 FFRR Electrochromatic Wing Mirror Glass (Complete)

67 plate Focus ST Line (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)

Post #583843 Thu Jul 11 2019 9:38pm
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