 | Home > Technical > Brake bleed after front pipes (not flexi line) replacement |
 
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| Grenadier Member Since: 23 Jul 2014 Location: The foot of Mont Blanc... Posts: 5878   
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Morning all,
Will be replacing the front three brake pipes this week after one leaked (it was the short one between the master and the junction to the rear lines, worn away through friction with the manifold heat shield). My question is that if I’m doing all three, but not the rear lines (from the connector in the engine bay, back) will I need to bleed all four corners still? I’m assuming I will as there will likely be air in the system where I removed the master-to-junction pipe? I’ll be using an eezibleed. Any thoughts welcome.  Monsieur Le Grenadier
I've not been everywhere, but it's on my list..... 2011 Puma 110DC - Corris Grey |
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13th Feb 2022 7:47am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17540  
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Yes, you are unlikely to get a good pedal without doing so.
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13th Feb 2022 7:56am |
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| matchap801 Member Since: 05 Aug 2021 Location: Somerset Posts: 120 
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Always best to do a full bleed through. There are brake pipe clamps to close off the flexi pipes when removing front / rear callipers etc.
BUT best to bleed to whole system. When I did mine, I used a syringe to clear out the old stuff, top it up then bleed it through. I have now replaced all my pipes with new. Some were a horrendous pain and required lots of bits to be removed - front left the worst! All refitted with new Stainless Steel Britpart flexi pipes and the pedal is awesome. Good luck. |
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13th Feb 2022 1:55pm |
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| matchap801 Member Since: 05 Aug 2021 Location: Somerset Posts: 120
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Always best to do a full bleed through. There are brake pipe clamps to close off the flexi pipes when removing front / rear callipers etc.
BUT best to bleed to whole system. When I did mine, I used a syringe to clear out the old stuff, top it up then bleed it through. I have now replaced all my pipes with new. Some were a horrendous pain and required lots of bits to be removed - front left the worst! All refitted with new Stainless Steel Britpart flexi pipes and the pedal is awesome. Good luck. |
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13th Feb 2022 1:56pm |
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| roel Member Since: 08 Aug 2009 Location: Lelystad Posts: 2039  
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To do it cheap, you could put some worn pads in the rear calipers or some thin pieces off wood. This way you will have plenty of brake fluid stored in the back.
If you then replace the front lines and bleed them. Then you push the rear pistons all the way in again and there will probably be no air in the rear lines. Roel 1984 90 2.5 na Diesel - RR V8 (1994-2001) 1997 Camel Trophy Discovery 300TDI (2001-2009) 2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts. 2003 90 Td5 (2009-now) |
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15th Feb 2022 7:27pm |
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