Refurbing 4 pot calipers - Brakes Forum - Peugeot 306 GTi-6 & Rallye Owners Club

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Subject: Refurbing 4 pot calipers

205gti6_ro

Regular

Location: truro

Registered: 13 Apr 2009

Posts: 181

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Post #1

hello, i picked up a 205 at the weekend which had been laid up in a field for over 5 years how ever the reason why i wanted it was because it had 4 pot alcon's on it. i'm aware i'll need to find new pads and discs but i want to make sure that the calipers are fine before that.

pretty sure i'll need new bleed nipples, seals but was wondering wheres best to send the calipers to change that and make sure there all in goo working order?

any help would be much appreciated.

heres a pic of what they look like LOL

thanks

Posted 5th Jun 2012 at 21:07

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coskev

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Location: Oswestry

Registered: 01 Nov 2009

Posts: 3,132

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Post #2

Oh dear

Bet they are well seized/corroded Yes

I have heard on the MLR Alcon's are a nightmare to get parts for/re-furbished Dunno

Not hard to strip calipers yourself TBH Wink

But those could be knackered,depending on the level of corrosion on the pistons/in the bores Sad

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Posted 5th Jun 2012 at 21:36

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yippeekayay

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Location: wilts

Registered: 27 Oct 2008

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Post #3

what did you want them for, they were a forest brake option on group A 205 and 309s from peugeot sport special tuning's catalogue way back.... pretty useless on tarmac as I remember.

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Posted 5th Jun 2012 at 21:39

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cress87

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Location: Norwich

Registered: 30 Mar 2007

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Post #4

yippeekayay wrote:

what did you want them for, they were a forest brake option on group A 205 and 309s from peugeot sport special tuning's catalogue way back.... pretty useless on tarmac as I remember.

How can they be useless on tarmac compared to any other caliper of similar dimensions? Erm?

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Posted 5th Jun 2012 at 21:47

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yippeekayay

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Location: wilts

Registered: 27 Oct 2008

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Post #5

they were known to be not much any better than the standard brakes on tarmac but came into there own on the loose. So spending a substantial amount of money to use them on tarmac would not be the best idea imo, though with 205s closing in on historic they are obviously worth something to people who want the cars period. Are pretty rare these days.

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Posted 5th Jun 2012 at 21:53

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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,839

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Post #6

they work fine on tar, guy that works for AB got 3rd in 2.0 class at a rally n belgium 2 weekends ago withhis 215 bhp 205 with those very calipers.

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Posted 5th Jun 2012 at 22:36

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yippeekayay

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Location: wilts

Registered: 27 Oct 2008

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Post #7

ab motorsport??? running these???

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Posted 5th Jun 2012 at 22:43

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owain

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Location: Essex

Registered: 20 May 2009

Posts: 9,185

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Post #8

As Coskev says if there's any pitting or corrosion inside the piston bores they're toast, and want binning for your own safety.

Other than that, the pistons will be siezed so you'll need to remove them from the car with the brake line still connected, then get someone to stamp on the pedal while you watch the pistons hopefully come out. Once each one's loose, put a g-clamp over it to stop it popping out while you do the same to the others.

I'd then find someone local who powder-coats calipers (and so knows which bits to mask up) and get them sandblasted and powder coated. Once that's done, I'd send them to Bigg Red, who are pretty good at refurbing brakes and have pretty much every seal kit you need, but best check with them first.

Just don't be tempted to go through all that if you can see the bores are damaged, you'll just end up with fluid p**sing all over the place, stripping the paint off the calipers and wheels and being a complete waste of money.

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Posted 6th Jun 2012 at 07:26

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205gti6_ro

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Location: truro

Registered: 13 Apr 2009

Posts: 181

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Post #9

thanks for the advice guys. was looking to use them on tarmac. to be honest my gti6 brakes work fine, just need to upgrade pads but i thought if could refurb these they'd be better.

thanks again tho

Posted 9th Jun 2012 at 00:23

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