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Front doors not locking
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Member Since: 07 Mar 2015
Location: Dorset UK
Posts: 234

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3
Front doors not locking

Happy New year to all on the forum..

For some time now the actuator on the drivers door has stopped locking, unfortunately the same fate has happened to the passenger front door. it took some time to realise what was happening, it was only the alarm going off that made me recognise it had failed!

I have read a post on here about the failure and replacement of the actuator, but wanted to explore if anyone has analysed why the failure happens and if the actuator can be repaired. Obviously if wear or breaks inside the actuator have happened any repair is unviable/un-economic.

It did also cross my mind it could be the cable sticking as the door tries to lock and fails, also the failure was gradual not instant which indicates sticking of a component not failure.

Yes i can replace them but would like to have a pop at repairing for the sake of the forum and future failures so any clues before I start would be appreciated..

All the best for your New Year.
 Owning a Discovery 3 is like dating a model.. a firm body and shape, wow.. the ride is fantastic >Very Happy for this your wallet can take a pounding and you worry about being deflated at any time...
2009 Model D3 HSE 
 
Post #15855741st Jan 2016 7:12 am
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NickJ
 


Member Since: 11 Oct 2010
Location: there's no f in point
Posts: 2137

2006 Discovery 3 TDV6 S Auto Zambezi SilverDiscovery 3

With me it was an amazing amount of dirt and crud on one of the motor commutators. Or at least it has appeared to be as its not failed since stripping it, apart from once that I know about.
  
Post #15855781st Jan 2016 8:02 am
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

People have replaced motors and motor brushes inside the mechanism with good results.

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Post #15855871st Jan 2016 8:54 am
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NickJ
 


Member Since: 11 Oct 2010
Location: there's no f in point
Posts: 2137

2006 Discovery 3 TDV6 S Auto Zambezi SilverDiscovery 3

Yes, but:
1: I'd rather fix something for free than replace
2: Removing, determining the problem, fixing and refitting was all done in one go
3: I don't like spending money!

Agreed though, replacing the motor must be a better strategy than fixing something that's nearly ten years old. Are the motors easily available from somewhere?
  
Post #15855921st Jan 2016 9:08 am
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Member Since: 07 Mar 2015
Location: Dorset UK
Posts: 234

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Thanks for the feedback all.. currently in South Africa and a replacement is £90 a pop. If the brushes motors are available as requested could someone provide the source in the UK an in return I will do the write up on "how to".

Need to keep the costs down on these vehicles so those with capability can make them long term partners without breaking the bank!
 Owning a Discovery 3 is like dating a model.. a firm body and shape, wow.. the ride is fantastic >Very Happy for this your wallet can take a pounding and you worry about being deflated at any time...
2009 Model D3 HSE 
 
Post #15856071st Jan 2016 9:54 am
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