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Home -> Forums -> Brakes -> Renaultsport Brembo bleed nipple issue

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Author Subject: Renaultsport Brembo bleed nipple issue
demondriverdan

Seasoned Pro

Location: Londinium

Registered: 29 Nov 2010

Posts: 2,665

Status: Offline
Post #1
Got a slight issue with one of my RS Brembos in that the bleed screw never seems to want to tighten properly. When bleeding you can tighten so that the fluid stops coming out however it doesn't want to hit a stop like it should.

Any ideas on what the problem could be? I've run it on track for a full day with only a tiny bit of seepage from it but it's something I want to fix as clearly losing my brakes during a race could be a small problem! Dunno

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Rallye Race Car
Posted 29th Sep 2013 at 21:05
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coskev

Seasoned Pro

Location: Oswestry

Registered: 01 Nov 2009

Posts: 3,132

Status: Offline
Post #2
The nipple looks ok?

If so must be the bottom of the hole it seats in is corroded or cracked/damagedThumbs down

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

Mac1 ZR R1 kit car build in progress.
Posted 29th Sep 2013 at 21:19
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demondriverdan

Seasoned Pro

Location: Londinium

Registered: 29 Nov 2010

Posts: 2,665

Status: Offline
Post #3
Currently hunting for my spare spanner set to inspect the nipple as I didn't take it out while I was at the garage. If the nipple looks ok I'm going to call up Godspeed brakes and see if they have any idea or can repair it in any way.

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Rallye Race Car
Posted 29th Sep 2013 at 21:22
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Niall

Seasoned Pro

Location: Epsom

Registered: 06 Jun 2012

Posts: 1,941

Status: Offline
Post #4
Some brakes have replaceable seats however i dont think brembos do. If the seat is damaged, at a last ditch attempt you can try and use an old nipple and some grinding paste to cut the seat back in then get a slightly longer nipple. Exactly the same happened to me with my Hispecs and this worked for me.



If this doesnt work and you cant have a new seat put in the calliper, its a new calliper half Sad
Posted 29th Sep 2013 at 22:29
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demondriverdan

Seasoned Pro

Location: Londinium

Registered: 29 Nov 2010

Posts: 2,665

Status: Offline
Post #5
Cheers Niall, hopefully it is just an damaged bleed nipple. Too many other things to spend money on at the moment! Sad

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Rallye Race Car
Posted 30th Sep 2013 at 08:24
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coskev

Seasoned Pro

Location: Oswestry

Registered: 01 Nov 2009

Posts: 3,132

Status: Offline
Post #6
Could just be some crap in the bottom, old bits of paint/corroded alloy hopefully if nipple looks okThumbs up

________________________________________

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

Mac1 ZR R1 kit car build in progress.
Posted 30th Sep 2013 at 09:43
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demondriverdan

Seasoned Pro

Location: Londinium

Registered: 29 Nov 2010

Posts: 2,665

Status: Offline
Post #7
Nipple doesn't look too bad but the thread on the inside of the caliper doesn't look in the greatest condition. Going to ring someone up tomorrow and see what they think.

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Rallye Race Car
Posted 30th Sep 2013 at 22:31
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stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline
Post #8
More than likely the seat within the caliper. Sad

I had this happen on a rear caliper and had to get a new caliper to solve the problem.

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"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 1st Oct 2013 at 09:07
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demondriverdan

Seasoned Pro

Location: Londinium

Registered: 29 Nov 2010

Posts: 2,665

Status: Offline
Post #9
That's a pain. The Renaultsport calipers came from the Megane 225 and Clio 197, I think? Will see if it's possible just I pick up the one caliper from someone breaking either of the cars.

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Rallye Race Car
Posted 1st Oct 2013 at 09:37
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demondriverdan

Seasoned Pro

Location: Londinium

Registered: 29 Nov 2010

Posts: 2,665

Status: Offline
Post #10
Spoke to Godspeed Brakes who said they will take them, drill out the thread and put a helicoil in place so think I'll give that a go. Much cheaper than a new caliper!

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Rallye Race Car
Posted 1st Oct 2013 at 12:59
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bellcp306td

Regular

Location: Bedlington

Registered: 10 Aug 2009

Posts: 166

Status: Offline
Post #11
Hope that fixes it. Are you getting them done in red while there at Godspeed?

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Where did the road go!

Chris
Posted 9th Oct 2013 at 12:01
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