displaying posts 1 to 19 of 19

Author Subject: Refurbishing of calipers
speedo306

Regular

Location: Trinidad & Tobago

Registered: 05 Apr 2008

Posts: 478

Status: Offline

Post #1
Can anyone provide me with pics or diagrams or steps as to how to refurbish the rear calipers on my 6.

________________________________________

RJ
Posted 22nd Feb 2014 at 13:50
buzzbrightyear

Seasoned Pro

Location: hiding all receipts for car

Registered: 09 Jul 2008

Posts: 11,894

Status: Offline

Post #2
it's ment to be a right bas**rd, can pick up refurbed units for cheap enough.

________________________________________

andrew315rawson@live.co.uk
Moonstone phase 7 gti6
My Project thread: http://www.306gti6.com/forum/showthread.php?id=119992&page=1
Posted 22nd Feb 2014 at 18:10
coskev

Seasoned Pro

Location: Oswestry

Registered: 01 Nov 2009

Posts: 3,132

Status: Offline

Post #3
Handbrake mech is the pain in the arse bit by the looksDunno

But saying that I've just stripped and rebuilt the Sierra rear calipers for my kit car which alot of people say are a pain to strip and rebuild and I found it pretty easy Thumbs up
Got the rebuild kits from http://biggred.co.uk/

Finished product below after stripping/shot blasting/soaking in DEOX-C/painted with Rust Bullet/top coat of Rust Oleum.
So it is do-able if your handy with spannersSmile

________________________________________

Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........

Mac1 ZR R1 kit car build in progress.
Posted 22nd Feb 2014 at 22:03
oldbrownshoe

Seasoned Pro

Location: Holon Israel

Registered: 08 Aug 2008

Posts: 1,795

Status: Offline

Post #4
YOU'LL NEED SPECIAL CALIPER TOOL ( IN PUG THE DIRECTION IS OPPOSITE)

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French military victories?
Did you mean French military defeats?
Posted 23rd Feb 2014 at 09:49
pugheaven

Seasoned Pro

Location: Fareham

Registered: 17 Dec 2006

Posts: 4,602

Status: Offline

Post #5
LOL no you don't, the above pic is tools that you use to wind the piston in but you can just use a large screwdriver shaft/allen key/flat bar etc...

As above the pain in the arse part is rebuilding the handbrake lever and shim mechanism the rest is simples!!
Posted 23rd Feb 2014 at 16:13
Niall

Seasoned Pro

Location: Epsom

Registered: 06 Jun 2012

Posts: 1,941

Status: Offline

Post #6
Tbh even thats not that difficult if you can find something to press down on the shims but thats the worst bit. Rest of it is easy.
Posted 23rd Feb 2014 at 19:58
rallyestyle

Seasoned Pro

Location: London

Registered: 23 Jul 2003

Posts: 14,990

Status: Offline

Post #7
Anyone rebuilt AP 4 pots? Fancy giving mine a spruce up when i do the rest of the car Yes

________________________________________

Just Drive It
Posted 23rd Feb 2014 at 22:30
coskev

Seasoned Pro

Location: Oswestry

Registered: 01 Nov 2009

Posts: 3,132

Status: Offline

Post #8
rallyestyle wrote:
Anyone rebuilt AP 4 pots? Fancy giving mine a spruce up when i do the rest of the car Yes


I stripped mine on Rallye and cleaned up/greased them.

very easy compared to other calipers I've done.

mine had no dust/crap seals though, have yours?

________________________________________

Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........

Mac1 ZR R1 kit car build in progress.
Posted 26th Feb 2014 at 11:13
rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,793

Status: Offline

Post #9
i've got mine in bits now and you don't need any tools except a brake pipe spanner

i've got all the pistons etc out and got a new seal fitting kit so will try and get some photos

________________________________________

306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips
306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges
gti6 inlet manifold badges | 306 rear boot badges (p2/p3)
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Posted 26th Feb 2014 at 11:32
rallyestyle

Seasoned Pro

Location: London

Registered: 23 Jul 2003

Posts: 14,990

Status: Offline

Post #10
coskev wrote:
rallyestyle wrote:
Anyone rebuilt AP 4 pots? Fancy giving mine a spruce up when i do the rest of the car Yes


I stripped mine on Rallye and cleaned up/greased them.

very easy compared to other calipers I've done.

mine had no dust/crap seals though, have yours?


Thats a good question Dunno I dont think so No

Do you need any sort of special tool to get the pistons out?

________________________________________

Just Drive It
Posted 26th Feb 2014 at 18:07
daver6

Seasoned Pro

Location: Durham

Registered: 08 Aug 2010

Posts: 2,379

Status: Offline

Post #11
rallyestyle wrote:
coskev wrote:
rallyestyle wrote:
Anyone rebuilt AP 4 pots? Fancy giving mine a spruce up when i do the rest of the car Yes


I stripped mine on Rallye and cleaned up/greased them.

very easy compared to other calipers I've done.

mine had no dust/crap seals though, have yours?


Thats a good question Dunno I dont think so No

Do you need any sort of special tool to get the pistons out?


I took the handbrake screw etc out and you can either push the piston out from the back or stick an airline in and blow them out

________________________________________

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Wishbone Polybushes available
Posted 26th Feb 2014 at 18:30
rallyestyle

Seasoned Pro

Location: London

Registered: 23 Jul 2003

Posts: 14,990

Status: Offline

Post #12
daver6 wrote:
rallyestyle wrote:
coskev wrote:
rallyestyle wrote:
Anyone rebuilt AP 4 pots? Fancy giving mine a spruce up when i do the rest of the car Yes


I stripped mine on Rallye and cleaned up/greased them.

very easy compared to other calipers I've done.

mine had no dust/crap seals though, have yours?


Thats a good question Dunno I dont think so No

Do you need any sort of special tool to get the pistons out?


I took the handbrake screw etc out and you can either push the piston out from the back or stick an airline in and blow them out


Airline, good call Thumbs up

________________________________________

Just Drive It
Posted 27th Feb 2014 at 16:02
rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,793

Status: Offline

Post #13
with the face of the piston proud it'll just pull out with ease

________________________________________

306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips
306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges
gti6 inlet manifold badges | 306 rear boot badges (p2/p3)
winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club]
Posted 27th Feb 2014 at 16:06
coskev

Seasoned Pro

Location: Oswestry

Registered: 01 Nov 2009

Posts: 3,132

Status: Offline

Post #14
daver6 wrote:
rallyestyle wrote:
coskev wrote:
rallyestyle wrote:
Anyone rebuilt AP 4 pots? Fancy giving mine a spruce up when i do the rest of the car Yes


I stripped mine on Rallye and cleaned up/greased them.

very easy compared to other calipers I've done.

mine had no dust/crap seals though, have yours?


Thats a good question Dunno I dont think so No

Do you need any sort of special tool to get the pistons out?


I took the handbrake screw etc out and you can either push the piston out from the back or stick an airline in and blow them out


AP's don't have a handbrake mech in them!!!! Smile

Yeah airline shoots them out! Just get ready to catch them.

________________________________________

Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........

Mac1 ZR R1 kit car build in progress.
Posted 28th Feb 2014 at 12:05
phillipm

Seasoned Pro

Location: Rotherham

Registered: 15 Oct 2006

Posts: 20,607

Status: Offline

Post #15
Just put a block of wood between the pistons beforehand...

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Posted 9th Mar 2014 at 13:20
rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,793

Status: Offline

Post #16
finally dismantled all my rear calipers last night ready for rebuild with my new seals kit

simple mechanism for the rear handbrake really - a keyed cam with a tapered metal insert which sits in a track on the handbrake lever. then 5 dished washers and a flat washer which force the piston out. will attempt to rebuild them later on. heard a lot of people say the concave washers are a ballache and basically to not bother attempting it but am sure i can make some tools to do it Razz or alter my valve spring compressor to help. can't be that hard, right?! Unsure

________________________________________

306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips
306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges
gti6 inlet manifold badges | 306 rear boot badges (p2/p3)
winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club]
Posted 8th Apr 2014 at 08:27
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

Status: Offline

Post #17
BIG water pump pliers do the trick I find.

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Bring on the Trumpets.

Posted 8th Apr 2014 at 09:32
rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,793

Status: Offline

Post #18
took me less than 8 mins to do both sides using a custom tool* i made and a pair of valve spring compressors. honestly don't know why people struggle when you can be innovative and make tools to help you out


* 21mm spark plug socket with 4 of the 6 sides cut away to make a prong to compress the concave shims

will post some photos when i've done all the seals and rebuilt properly

________________________________________

306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips
306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges
gti6 inlet manifold badges | 306 rear boot badges (p2/p3)
winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club]
Posted 9th Apr 2014 at 19:08
daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

Status: Offline

Post #19
I think I did mine in a vice and a deep socket as a press tool. Like Rikky says it's easy enough to come up with a working solution.

________________________________________

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Some of my services: (See my for sale threads)
Engine mount/chassis repair
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Posted 13th Apr 2014 at 23:14

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