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TR5tar

Land rover Disco 3 electronic parking brake

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Parking brake warning light came on a few days ago and the system failed to work. Luckily it's off, rather than stuck on. Car is a 2005 Disco 3 HSE, auto. 

Took it to local independent LR specialist to check over and they said that power is getting to the fuses, so likelihood is that there's a problem further along with the wiring or it's the unit itself that needs replacing. Worst case scenario is unit replacement, because cost is going to be approximately £1100 (with about £700 of that for the unit itself)! 

Has anyone had experience of this and used one of these online services that offer to refurbish the unit for about £150 plus postage? 

Cheers, Darren
  

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Aaah...... Electric handbrake..... what a marvellously cretinous bit of pointless complication......  in what way can this possibly be an improvement over a properly designed mechanical system?  I will never own any vehicle fitted with one. 

Do you have any prior experience / respect for this independent LR specialist?  I ask as a bit of googling (there is plenty out there, this is NOT a reliable system) suggests plenty of causes for warning lights and non-working, some of them unrelated to the handbrake system itself.  One of the recurrent complaints is having to fork out for all the various components being replaced one by one at vast expense when the problem is elsewhere all along.

https://www.pistonheads.com/gassing/topic.asp?h=0&f=91&t=1197293

http://www.disco3.co.uk/forum/hanbrake-failure-34846-15.html  (I reckon there's a days reading of handbrake related stuff alone on that forum)

I wish you luck!

More EPB related ranting.....

We used to live next door to a couple who owned a newish French wheeled appliance.  Their (and our) drive was very steep.  The handbrake would either stick on and the AA would be called, or the thing would end up in the hedge.  Previous employer had a Passat as a pool car.  Electric handbrake and an early version before hill-hold was automatic - you had to press a funny little button in an unexpected place.  That and no torque just off idle made hill starts a real joy - NOT.

Came up as a question on the EngTips forum, where the motor industry engineers hang out, "what is the point of electronic handbrakes?"  They all hate them too apparently  - but someone must have done it.....!

Nick

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Hi Nick, 

Yes, I absolutely agree about the stupidity of the EPB. When I bought the car 8 years ago I never even considered it, but now I know better. Wife had an issue with her EBP last summer when for some reason her battery died in a car wash. That locked the EPB on and there is no way to release it without power, so she was stuck there until I arrived with a battery booster. 

I do have a lot of prior experience of the LR specialist in question and respect them. They've looked after the car for about 5 years now and I believe they have always played fair. I've done some research myself online and as you say EPB faults are all too common. I'll read more on the subject. To be fair to the specialist, they haven't said for definite that the unit needs replacing, all they have said is that the diagnostic equipment says that the system isn't communicating with the unit. They checked the wiring as far as they could, without getting under the car, and say that the power is getting that far. They have said that it could be a wiring problem further along, but it could be the unit. That's when I asked for a worst case scenario and got the £1100 quote. 

I guess my next move is to ask them if they have had experience of fitting reconditioned units. There's an outfit in Blackburn that reconditions them for about £150 (compared to £700 for new unit) ... or if I can get it there they'll take it out, recondition and refit for about £600. Unfortunately Blackburn is a bit of a trek for me. 

Cheers, Darren     

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Electric parking brakes?

Same reason as electric steering.

Mechanical linkages are complex and need setting up on the production line,. electronic bits just need plugging in, job done.

They are also user non serviceable so its a new one in a box if they play up… more money for the Stealer.

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