Omega Owners Forum - Central Locking to be or not to be

Captain Slower

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Reading, Berkshire
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Drives: 2000 Reg MV6 3.0 Estate

Central Locking to be or not to be
27. Apr 2011 at 13:02

Afternoon, I have a problem with the central locking on a 2000 plate MV6 estate. When I try to lock the car using the keyfob, the doors all lock and then immediatly unlock again. The only way to lock the car is to use the key in the drivers door lock and whilst it is quite adequate, its annoying at the same time. Can anyone give some pointers as to what the fault may be and possibly how to fix it without having to resort to main dealers. Any advice will be more than welcome.

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PhilRich

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Re: Central Locking to be or not to be
Reply #1 - 27. Apr 2011 at 13:41

It could be a sticking microswitch in the keyfob, or the battery could be on its last legs? Open up the keyfob, after pulling off the key horseshoe (be careful not to lose the tiny transponder chip in the horseshoe!) & have a look at the state of the switches.
Some images of the internals of different types of fob:

http://www.omegaowners.com/forum/YaBB.pl?num=1216833667

If they are worn or bent out of position, then PM Martin Imber, he's our resident fob rebuilder! Have a look at his website Thumbs Up!

http://www.martinimber.co.uk/index.htm

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Andy B

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Re: Central Locking to be or not to be
Reply #2 - 27. Apr 2011 at 14:15

Captain Slower wrote on 27. Apr 2011 at 13:02:

....
Can anyone give some pointers as to what the fault may be and possibly how to fix it without having to resort to main dealers. Any advice will be more than welcome.

It's not the key fob. Your problem will be the driver's door lock mechanism that's stuck/sticking and not quite moving far enough to operate the microswitches in the door locking motor. The first easy/cheap thing to try is to remove the door card & lubricate all the lock mechanism & rods/linkages etc. If that fails you might then need A N Other driver's door locking motor. I'm sure that one of the many breakers here would be able to sort you out with one if need be. Thumbs Up!

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Captain Slower Newbie Offline Posts: 31 Reading, Berkshire Gender: Drives: 2000 Reg MV6 3.0 Estate	Re: Central Locking to be or not to be Reply #3 - 28. Apr 2011 at 20:02 Thanks very much for the replies gents. I shall endevour to get stuck into the drivers door lock mech tomorrow as I've not been invited to the wedding.
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Captain Slower

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Posts: 31
Reading, Berkshire
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Drives: 2000 Reg MV6 3.0 Estate

Re: Central Locking to be or not to be
Reply #4 - 28. May 2011 at 20:34

OK, I've taken the door card off and dismantled the various rods and motor assemblies. Checked the micro switches and they all function. Everything looks ok and so it has all been re assembled and lubricated to death. Still got the same result though. Lock the doors with the keyfob and the doors lock and then unlock. So i'm still locking the car using the key in the drivers door. I have made another discovery however, the ignition key doesn't work the tailgate lock or the glove compartment... getting the feeling I've been had!

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fiend61

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Re: Central Locking to be or not to be
Reply #5 - 28. May 2011 at 20:40

Quote:

Checked the micro switches and they all function. Everything looks ok and so it has all been re assembled and lubricated to death. Still got the same result though. Lock the doors with the keyfob and the doors lock and then unlock.

it will be your locking motor/ soleniod, fairly common and syptoms are as you describe locking and unlocking, ask the breakers on here or get yourself to a scrapyard Thumbs Up!

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Andy B Over Active Poster Offline Posts: 21988 Bury Lancs Gender: Drives: 1999 3.0 Elite auto/TDM	Re: Central Locking to be or not to be Reply #6 - 28. May 2011 at 21:13 Captain Slower wrote on 28. May 2011 at 20:34: ... I have made another discovery however, the ignition key doesn't work the tailgate lock or the glove compartment... getting the feeling I've been had! Try lubricating the locks. The key rarely get used in these locks, so they get gummed up.
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Stallion Omega Knight Offline Posts: 1008 Romford Gender: Drives: 2001 --> Irmscher 3.2 Elite <--	Re: Central Locking to be or not to be Reply #7 - 28. May 2011 at 21:25 are you getting any signs of a weak battery, I would say check that with a amp meter (if you have one) before you go stripping doors. 99% sure your battery is weak or weaker thats why your getting them symptoms.
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Captain Slower Newbie Offline Posts: 31 Reading, Berkshire Gender: Drives: 2000 Reg MV6 3.0 Estate	Re: Central Locking to be or not to be Reply #8 - 28. May 2011 at 22:56 Checked both keyfob batteries, got 3V + on both. Time to have the door cards off again me thinks.
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fiend61 Senior Member Offline a car is not a car if it has cupholders Posts: 798 york Gender: Drives: 99-2.5L manual mfl, 00-2.5l auto f/l	Re: Central Locking to be or not to be Reply #9 - 28. May 2011 at 23:10 Quote: are you getting any signs of a weak battery i think what stallion meant was for you to check the car battery but 99% certain it will be your locking motor
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Tony H Omega Baron Offline Posts: 4164 liverpool Gender: Drives: 2.5 ELITE	Re: Central Locking to be or not to be Reply #10 - 29. May 2011 at 13:26 fiend61 wrote on 28. May 2011 at 23:10: Quote: are you getting any signs of a weak battery i think what stallion meant was for you to check the car battery but 99% certain it will be your locking motor Agreed I have had the same problem of the locks playing up when the car battery has been low on charge
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Mike Collins Senior Member Offline Posts: 532 North of Bristol Gender: Drives: 2003 2.6 CDX, 1998 2.5 Elite, now BER at 262,000 miles	Re: Central Locking to be or not to be Reply #11 - 29. May 2011 at 15:51 If you dismantle the lock motor, you will find two microswitches inside. One of them will have high resistance normally closed contacts. Maplin or similar stock suitable replacements. Mike.
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Kevin Wood Global Moderator Admin Team Offline Posts: 20377 Alton, Hampshire Gender: Drives: 3.2 MV6 (LPG), Westfield	Re: Central Locking to be or not to be Reply #12 - 29. May 2011 at 23:52 Yep, sounds like the locking motor to me. There's a guide to repairing them here: http://www.omegaowners.com/forum/YaBB.pl?num=1275155915 Kevin
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