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hedgehogsdad
Monza


Joined: 16 Sep 2013
Posts: 229



PostPosted: Mon Mar 20, 2017 12:53 pm    Post subject: Bleeding brakes Reply with quote

Hi all,

Having just changed the rear pads and discs on my Turbo, I'd like to bleed the brakes (and probably flush the system through too). Has anyone on here used a vacuum brake bleeder effectively, and if so, which one did you use?

Also, any recommendations in terms of fluid (no track use, just road driving)

Cheers
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2006 997 Turbo
2003 996 Turbo
2006 Cayenne
1999 996 C2
1990 964 C2 Targa
1980 SC
 
  
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seeforez
Barcelona


Joined: 10 Jan 2016
Posts: 1476
Location: up norf


PostPosted: Mon Mar 20, 2017 2:25 pm    Post subject: Reply with quote

never done it myself but i believe you need a piwis or durametric to bleed 100% of the system, you can do it without though it just leaves a bit of the old in there?
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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 7125
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Mon Mar 20, 2017 3:33 pm    Post subject: Reply with quote

I think you need the software to bleed the ABS part of the system. I have done mine many times and never needed to bleed the ABS, I bleed mine every year anyway. If you are going to do it start furthest away from the reservoir and work you way closer, not forgetting to do the inside bleed nipple first on each caliper.
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Demort
Paul Ricard


Joined: 21 Mar 2015
Posts: 3440
Location: Sussex


PostPosted: Mon Mar 20, 2017 7:10 pm    Post subject: Reply with quote

Dont worry about the tester and bleeding the abs , theres such a small amount of fluid left there that it wont make any difference and its not done when garages replace the brake fluid.

I would suggest start with n/s/r ( RHD ) and drain out at least 0.5 ltr then 0.2 on the others ..

Ive done a replacement of raceing fluid which is blue to normal before and it was a good 0.5 ltr before it ran clear with the normal fluid .

In other words it takes that much fluid to flush it through .

Pressure or vacum system is fine .
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7pm - 9pm
 
  
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Zub-911
Silverstone


Joined: 08 Jul 2013
Posts: 113
Location: Perth, Scotland


PostPosted: Sun Apr 23, 2017 8:19 am    Post subject: Reply with quote

Guys,

Can anyone suggest a suitable product to use for pressure or vacuum bleeding.

I purchased a Gunson pressure bleeder however none on the supplied caps seems to fit the reservoir correctly, the closest one popping off under pressure.

Is there a special sized cap for a porsche.. ?

thanks,

Neil
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Martian
Magny-Cours


Joined: 18 Mar 2009
Posts: 2704
Location: Bury St. Edmunds

2007 Porsche 997 Turbo

PostPosted: Sun Apr 23, 2017 10:26 am    Post subject: Reply with quote

http://www.sealey.co.uk/PLPageBuilder.asp?id=20&method=mViewProduct&productid=9320

But I still prefer to use the Gunson One Man brake bleeder.
 
  
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Zub-911
Silverstone


Joined: 08 Jul 2013
Posts: 113
Location: Perth, Scotland


PostPosted: Sun Apr 23, 2017 12:14 pm    Post subject: Reply with quote

This is the one i got, but the cap does not seal and blows off..

http://www.toolstation.com/shop/Automotive/d60/Mechanics+Tools/sd180/Gunson+Eezibleed+Kit/p82378
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chaser
Österreich


Joined: 26 May 2013
Posts: 944
Location: Isle of Wight

2005 Porsche 997 Carrera 4S

PostPosted: Sun Apr 23, 2017 3:38 pm    Post subject: Reply with quote

I have used a Gunson self bleeder with no problems, maybe you have too much pressure going in ? I just use an old spare wheel off a trailer and only have around 10 psi in there.
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Duffy
Trainee


Joined: 26 Jan 2017
Posts: 94



PostPosted: Sun Apr 23, 2017 6:47 pm    Post subject: Reply with quote

http://www.sealey.co.uk/PLPageBuilder.asp?id=20&method=mViewProduct&productid=9320

Got one of these, compared to the Gunsons (which I have used) it's night and day and a much superior product

Smile
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Zub-911
Silverstone


Joined: 08 Jul 2013
Posts: 113
Location: Perth, Scotland


PostPosted: Sun Apr 23, 2017 6:55 pm    Post subject: Reply with quote

I had dropped a spare wheel to 19psi and it blew the cap off..
Had to use PTFE tape to get a seal in the first place.
Rubbish ... will be going back..
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monster
Hockenheim


Joined: 04 Sep 2010
Posts: 653
Location: Bournemouth


PostPosted: Mon Apr 24, 2017 12:00 am    Post subject: Reply with quote

I modified one of these - worked a treat!

I even removed the pressure release valve and added a pressure gauge in its place so i could monitor and maintain the correct pressure.

http://www.ebay.co.uk/itm/BRAND-NEW-5L-LITRE-PUMP-PRESSURE-KNAPSACK-SPRAYER-SPRAY-KILL-WEEDS-INSECT-GARDEN-/111498559494?hash=item19f5d50006:g:SLgAAOSwQJ5USr8Q
 
  
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