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Home > Maintenance & Modifications > Polished Brake Discs

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tuesdayfox

Member Since: 23 Jun 2013
Location: Sydney,OZ
Posts: 129

2013 Defender 110 Puma 2.2 SW Zambezi Silver

Hi, I was trying to say either get the rotor replaced or machined.

if you want to machine your rotor with sandpapers, the target will be (from workshop manual):
maximal runout is 0.15mm

cheers

19th Apr 2016 8:13am

Caterham

Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6341

2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey

thank you tuesdayfox

19th Apr 2016 8:15am

tuesdayfox

Member Since: 23 Jun 2013
Location: Sydney,OZ
Posts: 129

otherwise mirror or not, I don't think it is important other than saying your have good braking skills and have recently driven the truck

19th Apr 2016 8:15am

Caterham

Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6341

I think I'll swap over the calipers and re-assess.

I've just never noticed such a mirror like finish before.

19th Apr 2016 8:23am

RED-DOT

Member Since: 29 Jun 2009
Location: stirling
Posts: 2363

The friction matierial is the pad not the disc. If the disc was like sandpaper your pads would not last long at all.
You have good discs and if you want to dull them just spray them with brick cleaner or alloy wheel acid based spray.
I would fit new pads which will give you all the braking you will ever need.
PS i think you have seen too many new Audis with the machining marks? 2008 RS4 gone, 123d M Sport, and a Puma 90 XS..

19th Apr 2016 8:48am

Caterham

Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6341

thanks Red-dot.

ps - can anyone confirm the diameter or my rear discs - 296mm.?

many thanks

19th Apr 2016 8:54am

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