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Author Topic: Central loacking problem  (Read 2706 times)

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Andy A

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Central loacking problem
« on: 23 October 2018, 14:12:55 »
For the past few days, every time I unlock the the car with the fob the doors re-lock straight after.

What can cause this?

Thanks
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tunnie

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Re: Central loacking problem
« Reply #1 on: 23 October 2018, 14:34:37 »
Lazy door lock motor probably, when you unlock the car, look at all of the door pins. Do all of them lift?
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Doctor Gollum

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Re: Central loacking problem
« Reply #2 on: 23 October 2018, 14:42:36 »
And almost certainly the driver's door motor as it is the master ;)
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Andy A

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Re: Central loacking problem
« Reply #3 on: 23 October 2018, 14:51:00 »
Tunnie. All door pins lift at the same time as each other, very fast and go down just as fast when it re-locks its self.

Al. I only fixed the drivers door motor a few months ago by replacing the 2 switches. Are you saying it might be the motor its self that is gone?
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Doctor Gollum

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Re: Central loacking problem
« Reply #4 on: 23 October 2018, 14:54:14 »
I can't recall ever replacing a passenger door motor...

But if you are confident that it isn't the driver's one, then you might change the passenger one to rule it out ;)

Incidentally, is the rubber across the top of the door skin/base of the window 110% intact and free of splits?
« Last Edit: 23 October 2018, 14:56:22 by Doctor Gollum »
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Kevin Wood

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Re: Central loacking problem
« Reply #5 on: 23 October 2018, 15:08:19 »
This will probably be one of the microswitches in the driver's door motor.

Of the two switches, one "parks" the motor in the desired position whereas the other detects if the door has been manually locked or unlocked and causes the other doors to follow suit. If the latter fails, the ECU detects the car as having been locked again and winds all the locking motors back down.
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Andy A

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Re: Central loacking problem
« Reply #6 on: 23 October 2018, 15:42:41 »
Quote from: Doctor Gollum on 23 October 2018, 14:54:14
I can't recall ever replacing a passenger door motor...

But if you are confident that it isn't the driver's one, then you might change the passenger one to rule it out ;)

Incidentally, is the rubber across the top of the door skin/base of the window 110% intact and free of splits?

Yes 100% intact with no splits but the rubber does not remove moisture from the outside of the glass. So it is not very tight to the glass.
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Doctor Gollum

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Re: Central loacking problem
« Reply #7 on: 23 October 2018, 16:28:29 »
It's more about stopping water from pouring into the door...

Invariably the rear of the seal splits at the rear edge... This focuses any water to drip onto the latch mechanism and motor which in turn can freeze up the whole gubbins to the point of not being able to open the door. Which sucks balls :'(
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TheBoy

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Re: Central loacking problem
« Reply #8 on: 23 October 2018, 17:50:33 »
Quote from: Doctor Gollum on 23 October 2018, 14:54:14
I can't recall ever replacing a passenger door motor...
You clearly didn't have one for long enough ;D

Rears seem more reliable, but I've also had to replace a few of them.
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