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  #1  
Old 17th-June-2011, 11:56
battenberg's Avatar
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Join Date: Sep 2006
Location: Birmingham UK
Posts: 2,060
Default Discovery 2, Changing the door lock actuators

Unlike the Disco 1, with the D2 you cannot just change the springs for pocket money. You need to shell out 70 odd quid a side for a whole door lock mechanisim to replace them!

I lived with the drivers door not unlocking with the fob for a year or so, but when the passenger door gave up that was the final straw!

Here's how to change them:
This write up is based on a drivers (key entry) side

Part numbers for the front doors are:
FJQ 102880 - driver
FJQ 102890 - passenger

Tools:
13mm Socket
10mm Socket
7mm Socket
T40 Torxs bit
T25 Torxs bit
Stanley Knife
Screwdrivers
Nose Pliers
Gaffer Tape

Time: 1 - 1.5 hrs

First remove the door card, by undoing the screws and prising it off gently and lifting out the window trim, then remove the wing mirror.

Then slice though the plastic with a knife to give you access to the inner door and in the top corner under the mirror to reveal a bolt head.





You will also need to open up the plastic for the retaining screw (drivers side only)



Now unclip the locking button from the green clip and remove it



Now the release cable for the internal door handle



Then undo the white plastic retainer clip from the exterior handle rod, (hold some pliers on the tab, then slide a flatblade scredriver into it and the cover will pop off.)




Now move onto the window frame.

Locate the bolts at the bottom of the window runners and remove them



Remove the T40torxs bolt on the slam side and the hindge side and the 13mm hex from under the plastic.





Lift the window frame up enough to get the wing mirror connector out from the hole.



Then lift the frame up higher (4-6") and chock it with something.



(For Drivers side replacement only)Next remove the exterior door handle by removing the single T25torxs bolt, then pushing the whole handle assembly towards the front of the car, it only needs to move a few mm then it will pop out.




now remove the three T25torx from the slam side (and the retaining screw, drivers side only)




you should now be able to drop the lock out, undo the electrical connector on the way.



Retain the white clip for the new mechanisim



Fit new lock as a reversal of these steps, take time to open and shut the door when refitting the frame to make sure you've got it aligned properly, adjustments are made at the two 10mm bolts at the bottom of the window runners. Remember to tape up your plastic before fitting the door card.



Job done, enjoy a working lock!
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  #2  
Old 18th-June-2011, 00:12
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Join Date: Feb 2008
Posts: 264
Default Re: Discovery 2, Changing the door lock actuators

Brilliant write up. Just a few weeks late for me. I changed my drivers door lock using other instructions I got off the web, that didn't include raising the door frame. I had to use quite a bit of force to bend the lower door frame out of the way to get the lock out. I didn't realise that this was actually the window glass runner (stupid, I know). Now my window doesn't raise and lower as well as it did

Edited to add: I wonder if there is any adjustment in the bolts that hold the lower frame?

Maybe not. The glass just slows down and sticks a bit when half way up or down. Only noticed in the McD's drive through.

Last edited by andymach23; 18th-June-2011 at 00:19.
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Old 18th-June-2011, 10:15
battenberg's Avatar
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Location: Birmingham UK
Posts: 2,060
Default Re: Discovery 2, Changing the door lock actuators

yes Andy, there is adjustment there, but once you get to the frame lifted bit, you can withdraw the whole frame up out of the door, you could extract the frame and persuade it back into shape!
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Old 10th-March-2012, 17:14
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Join Date: Aug 2009
Location: Cambridgeshire - too flat!!!
Posts: 2
Default Re: Discovery 2, Changing the door lock actuators

Hi battenberg - I have just replaced my drivers door lock following your excellent instructions and photos but now I have a problem...

The door locked and unlocked fine after replacement and opened and closed until all of a sudden the door would not open! Neither the outside handle nor the inside handle will open the door. The locking mechanism seems to click lock and unlock and the locking button pops up but the door will not open. The key in the lock makes no difference and the door it behaves as though it is locked.

The last time the door was closed it needed a very firm push to close it and now it is stuck closed. The door card is not on and tapping the lock does nothing.

Any ideas?

p.s. I have also tried to pushing the door when locking and unlocking to take any pressure off the lock mechanism.

Last edited by darmitst; 10th-March-2012 at 17:19.
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  #5  
Old 11th-March-2012, 18:18
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Join Date: Aug 2009
Location: Cambridgeshire - too flat!!!
Posts: 2
Default Re: Discovery 2, Changing the door lock actuators

Well after much head scratching - trying again all possibilities of locking / unlocking with remote / keys, disconnecting the battery for a while, I decided to disconnect the dc connector going into the door lock itself (fortunately I had not put back the door card) and amazingly this worked and the door would open!

I presume either the door lock or the central control unit had got its nickers in a twist and this door lock got stuck in deadlock mode.

So if this happens to anyone else and the door card is fitted then try disconnecting at the BCU central control which I believe is at the rear behind one of the side panels. You will need to work out which cable does the door in question.
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Old 30th-March-2012, 23:41
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Join Date: Oct 2011
Posts: 1
Default Re: Discovery 2, Changing the door lock actuators

Quote:
Originally Posted by darmitst View Post
Well after much head scratching - trying again all possibilities of locking / unlocking with remote / keys, disconnecting the battery for a while, I decided to disconnect the dc connector going into the door lock itself (fortunately I had not put back the door card) and amazingly this worked and the door would open!

I presume either the door lock or the central control unit had got its nickers in a twist and this door lock got stuck in deadlock mode.

So if this happens to anyone else and the door card is fitted then try disconnecting at the BCU central control which I believe is at the rear behind one of the side panels. You will need to work out which cable does the door in question.
Well I just tackled this and went ver smoothly... however when lowering window regulator the dang "auto window down" started and I could not cancel switch and it bend the regulator arm for window( fortunately already unscrewed) ... anyway, I ended up having to remove that also, replace the little roller on track and straiten out the window regulator... works great now :-)
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Old 25th-August-2012, 14:53
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Join Date: Feb 2011
Posts: 1
Default Re: Discovery 2, Changing the door lock actuators

Hi Guys, thanks for all the useful info and photos. Just replaced the door catch and rods on my 3000 Xs TDi. It was the usual broken spring problem that I wasn't aware of before I secured a 2nd hand replacement from a scrap yard. I understand the spring cannot be replaced. In the meantime I found the service book below that had a useful diagram.

Thanks again for a useful forum.

http://www.landroverresource.com/doc...hop_Manual.pdf
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  #8  
Old 28th-February-2013, 00:44
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Join Date: Mar 2012
Posts: 4
Default Re: Discovery 2, Changing the door lock actuators

Guys, thank you for all the useful information above. For sometime now the front and rear nearside doors on my disco 2 won't open with the key fob or the c/l switch in the cabin. I was reluctant to shell out 60 on a new door lock, just in case it that was not the problem. One question - do I have to lift the window frame on the passenger side?
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Old 28th-February-2013, 11:27
HenryD's Avatar
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Join Date: Feb 2012
Location: Helston,Cornwall
Posts: 477
Default Re: Discovery 2, Changing the door lock actuators

Quote:
Originally Posted by garbett View Post
Guys, thank you for all the useful information above. For sometime now the front and rear nearside doors on my disco 2 won't open with the key fob or the c/l switch in the cabin. I was reluctant to shell out 60 on a new door lock, just in case it that was not the problem. One question - do I have to lift the window frame on the passenger side?
Yes,its a mirror image of the drivers side
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Old 28th-February-2013, 11:54
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Location: Tamworth Staffs
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Default Re: Discovery 2, Changing the door lock actuators

Not had to do this yet but why can't you replace the spring?
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