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Dunc101



Member Since: 16 Nov 2017
Location: Bedfordshire
Posts: 32

United Kingdom 2007 Range Rover Sport TDV8 HSE Java Black
Brake piston flaking??

Hi all - it's been a while since I posted, apologies.

Im changing my discs and pads at the moment - no problem, but upon inspection of both front calipers, the pistons look like this - ie 'flaking'.

Is this normal?!

Im hoping the answer is either:
A) Yes, chill out!
B) No - change the pistons
C) No - change the caliper
D) Something else!

Preferably not C though.....please?! Smile

All comments welcome. Thankyou

Post #645262 Fri Nov 15 2024 9:13pm
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NoExpert



Member Since: 28 Jan 2022
Location: Poznań, Poland
Posts: 478

Poland 2011 Range Rover Sport 3.0 TDV6 HSE Lux Fuji White

E) Normal, but not in a good way. Replace the pistons with some hard anodized Frenkit pistons and seal kits. Not very expensive and they don’t flake.

 2011 RRS HSE Luxury 3.0 TDV6 Fuji White on Ebony/Ivory
Born and raised in So Cal. Moved to the UK in 2018 for a few years. Now in Poland and looking at moving back to the UK.

Post #645268 Sat Nov 16 2024 7:31am
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JonnyCJ



Member Since: 25 Apr 2011
Location: Wirral
Posts: 352

United Kingdom 

As above from no expert. If they flake at the seal you’ll lose pressure and probably get brake fluid on the disc.

Easy job to renew seals and pistons.

Post #645269 Sat Nov 16 2024 9:31am
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Dunc101



Member Since: 16 Nov 2017
Location: Bedfordshire
Posts: 32

United Kingdom 2007 Range Rover Sport TDV8 HSE Java Black

Thanks NoExpert and JonnyCJ.

I'll reassemble as-is right now as the car is needed as the 'daily driver', and look at the Frenkit replacement pistons and seals asap.

Legends! Bow down Smile

Post #645270 Sat Nov 16 2024 10:02am
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JonnyCJ



Member Since: 25 Apr 2011
Location: Wirral
Posts: 352

United Kingdom 

Here’s a thread for the calipers I did on my old V8 Vantage. Full detailed strip down and rebuild.

It’s the same process for most Brembos and especially the LR ones.

https://www.pistonheads.com/gassing/topic....;t=1866080

Post #645271 Sat Nov 16 2024 10:19am
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NoExpert



Member Since: 28 Jan 2022
Location: Poznań, Poland
Posts: 478

Poland 2011 Range Rover Sport 3.0 TDV6 HSE Lux Fuji White

The kits I bought were 246914 and had pistons, seals and bleeders for one calipers (you need two kits).
 2011 RRS HSE Luxury 3.0 TDV6 Fuji White on Ebony/Ivory
Born and raised in So Cal. Moved to the UK in 2018 for a few years. Now in Poland and looking at moving back to the UK.

Post #645272 Sat Nov 16 2024 11:40am
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