Ben4
Member Since: 28 Apr 2017
Location: Buckinghamshire
Posts: 934
  
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| D3 electric handbrake - how does it work? |
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Mine has recently started making a hideous screeching noise - so for now I have stopped using it and leaving the car in park.
it's gone into the garage tonight to be worked on tomorrow.
but I don't actually understand how the handbrake system works on a D3 as this is the first electric handbrake car i've owned.
is the screeching a failed servo somewhere?
thanks in advance
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 25th Jul 2017 7:44 pm |
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L319
Member Since: 14 Dec 2013
Location: Herefordshire
Posts: 2080
 
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Basically it is an electric motor driving a gearbox pulling the brake cables on by screwing a nut along a thread. If it seizes or has excess travel ( due to the park brake wearing and not being adjusted ) it will then sort of ratchet creating the horrendous noise. If caught early , a reset , lube and adjustment will resolve it. Worst case its a new actuator assembly See bodsys Bible http://www.disco3.co.uk/gallery/thumbnails.php?album=4184
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| 25th Jul 2017 9:07 pm |
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Ben4
Member Since: 28 Apr 2017
Location: Buckinghamshire
Posts: 934
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brilliant!
thanks very much
Ben
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| 25th Jul 2017 10:36 pm |
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Batfink
Member Since: 31 May 2017
Location: Isle of Sheppey
Posts: 1510
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Mine makes a noise when applying but not horrendous. Sounds like a noisy motor noisy for a second. Is this just a case of needing lubing somewhere?
Also when in access or off road height and after applying the handbrake when releasing the foot brake it rocks a smidge but ok in normal height. Is this just a quirk or a sign that the epb needs adjusting? 2006 TdV6 HSE.
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| 25th Jul 2017 10:43 pm |
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Biffysun
Member Since: 09 Jul 2011
Location: Central
Posts: 1787
 
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^^Yours sounds quite normal, the motor can be heard for a second when applying or releasing, 'hideous screeching' though requires attention, see Bodsys Brake Bible in the Wiki 
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| 26th Jul 2017 5:49 am |
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