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Home > Technical > Soft brakes |
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npinks Member Since: 28 Jun 2007 Location: Ls25 Posts: 20090 |
Have you checked the brake fluid level?
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25th Sep 2011 11:45 am |
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landy19840 Member Since: 13 Mar 2011 Location: Non Posts: 1817 |
Yeah fluid is full. Maybe they go to hot, but there are defo more spongy than usual |
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25th Sep 2011 2:19 pm |
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EYorkshire Member Since: 18 Nov 2010 Location: (!) Posts: 4392 |
Another classic case of 'spongy brakes' is air in the system, maybe a bit of a 'bleed' needed. |
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25th Sep 2011 2:50 pm |
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landy19840 Member Since: 13 Mar 2011 Location: Non Posts: 1817 |
Surely air needs to get in the system first tho??? |
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25th Sep 2011 3:12 pm |
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taztastic Member Since: 03 Feb 2011 Location: North West Posts: 8652 |
It does if you brake hard, especially with old brake fluid which will have absorbed moisture, the moisture boils and creates bubbles. Need to generate quite a lot of heat though, which on a long downhill run is possible. |
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25th Sep 2011 3:31 pm |
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landy19840 Member Since: 13 Mar 2011 Location: Non Posts: 1817 |
Very true taz. What service do they change brake fluid at??? |
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25th Sep 2011 3:37 pm |
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taztastic Member Since: 03 Feb 2011 Location: North West Posts: 8652 |
I think LR say at 3 years, not sure if it would be done against mileage, ie 45,000 or timescale? |
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25th Sep 2011 3:43 pm |
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landy19840 Member Since: 13 Mar 2011 Location: Non Posts: 1817 |
Cool I will check, mine is due what ever service is around the 70k mark |
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25th Sep 2011 3:47 pm |
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Past master Member Since: 30 Jun 2010 Location: Isle of Ely Posts: 2710 |
Although fluid change is recommended at 3 years, they only do it "if required". If it's been done it should be noted in the service book. Mine has now had 4 services and the last two they said it "wasn't necessary". I suspect it's only really needed if doing a lot of braking while towing, so that the fluid gets too hot. |
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25th Sep 2011 4:14 pm |
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tenet Member Since: 23 Jul 2009 Location: cotswolds Posts: 1081 |
Or the dealer can't be arsed but still charges the full service schedule price MY 09 GS manual in Lago Grey, Wood Co arm rest and side bumper strips - now sold. MY 15 SD4 SE Auto Orkney Grey with colour coded Bumper Door Mouldings |
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25th Sep 2011 5:49 pm |
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Past master Member Since: 30 Jun 2010 Location: Isle of Ely Posts: 2710 |
They do that anyway - the fluid change is "extra". |
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25th Sep 2011 6:10 pm |
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druand Member Since: 07 Sep 2009 Location: south ayrshire Posts: 825 |
Check for a binding brake, this would cause fluid to overheat.
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26th Sep 2011 4:14 pm |
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Captain Worm Member Since: 12 Sep 2010 Location: Solihull Posts: 969 |
if your calipers were not pulled apart enough when fitting the new disks / pads they might be binding a bit causing them to overheat and boil the fluid.
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26th Sep 2011 4:32 pm |
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landy19840 Member Since: 13 Mar 2011 Location: Non Posts: 1817 |
I think I have had a binding brake causing the soft brakes. I have also noticed a vibration under heavy braking which I guess mean it's over heated and warped! |
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26th Sep 2011 5:21 pm |
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