MK3 CENTRAL LOCKING
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MK3 CENTRAL LOCKING
Hi all, regarding the central locking pump on my MK3 GTI, when you lock and lock the car it usually make like a buzzing noise when the pump is working, thats normal. All of a sudden when you lock the car the pump makes its usuall buzzing noise but i carries on for like 10-15 seconds and then stops. The doors all lock and unlock perfect but im concerned about the long buzzing noise. What can that be??? Please help.
Thanx in advance.
Thanx in advance.
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Re: MK3 CENTRAL LOCKING
i think its standard. all the MK3s with central locking that i've heard sounds like that.
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Re: MK3 CENTRAL LOCKING
You will have to check the pipes all round the car one of them might be leaking,
thats what happened to mine.
and not so long ago it just gave in all together. bye bye central locking
thats what happened to mine.
and not so long ago it just gave in all together. bye bye central locking
Current : 2001 Audi A4 1.8
ex : MK3 GSX (sold)
ex : Nissan Sabre 160GXI (sold)(first love)
ex : MK3 GSX (sold)
ex : Nissan Sabre 160GXI (sold)(first love)
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Re: MK3 CENTRAL LOCKING
I just spoke to the previous owner and he fitted a brand new OEM pump in the car 18 months ago, so it definately wont be the pump. I recon that one of the pipes is leaking, i will have to check them out. The doors unlock and lock perfectly but as i mentioned it buzzes a little too long once the car is locked.
- iceblue
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Re: MK3 CENTRAL LOCKING
Yip, sounds like a small leak. The hose in my passenger door (in the rubber boot) often comes off and then the left side doors just dont lock. In your case it may be coming loose.
Lift the carpet at the back by the pump. You should see that the vacuum hose splits in two (I think). Disconnect the one hose and block off the t-connector going that way. Then lock the car and see if the pump stops immediately or keeps running. If it keeps running reconnect the hose and disconnect the other one, block off the t-connector and lock again. This way you should be able to determine what side of the car the leak is on. (Just check which doors lock and which remain unlocked). That should save you having to check all the doors and connectors.
Lift the carpet at the back by the pump. You should see that the vacuum hose splits in two (I think). Disconnect the one hose and block off the t-connector going that way. Then lock the car and see if the pump stops immediately or keeps running. If it keeps running reconnect the hose and disconnect the other one, block off the t-connector and lock again. This way you should be able to determine what side of the car the leak is on. (Just check which doors lock and which remain unlocked). That should save you having to check all the doors and connectors.
My other car's a french maid with a large derriere.
- Killerwatt
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Re: MK3 CENTRAL LOCKING
It could be a leak on the pump lines. But the pump also has a 'pressure sensor' in it to detect when all the doors lock or open. There are 2 disks that are on a threaded shaft that make contact with a switch that turns the pump off. I think you should move the disk that is on the end of the shaft closer to the switch. I know it sounds confusing now but you will see what i mean when you open the pump.
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Re: MK3 CENTRAL LOCKING
Ok guys, i found the problem on the central locking, the main pipe that runs into the pump is leaking, need to replace it. What piping do i use, is there anything specific to use???
Thanx.
Thanx.
- Killerwatt
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Re: MK3 CENTRAL LOCKING
Normal vacuum line should be fine. It should fit nicely over the cl piping. Can get it from any spares shop.
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Re: MK3 CENTRAL LOCKING
Perfect. Thanx for the input guys.
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Re: MK3 CENTRAL LOCKING
Does anybody know what size vacumm hose would work for this application???
- Killerwatt
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Re: MK3 CENTRAL LOCKING
Cut out the damaged section cl pipe and take it as a sample. The pipe you would want is the thin rubber one. Think its 4 or 5mm inner diameter.
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Re: MK3 CENTRAL LOCKING
Perfect, thanx for that killerwatt. Much appreciated.
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Re: MK3 CENTRAL LOCKING
Hi Guys
I got similar problem but it's the little rubber seal on the end of the blue locking unit in boot it's torn where can I get one please
I got similar problem but it's the little rubber seal on the end of the blue locking unit in boot it's torn where can I get one please
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Re: MK3 CENTRAL LOCKING
Yeah... good luck with that. Nothing new available anymore. You will need to DIY.
Maybe upload some photo's, might help identify the required part.
Maybe upload some photo's, might help identify the required part.
2014 - VW Jetta 6 - 1.6 TDi DSG
2000 - VW Golf 3.5 Cabrio - 2.0
1980 - VW MK1 GT - 1.8 Carb - https://www.vwclub.co.za/forum/viewtopi ... 1&t=153861
1971 - Mitsubishi Colt 1100F - https://www.vwclub.co.za/forum/viewtopi ... 1&t=220503
MK1 Build Register: https://www.vwclub.co.za/forum/viewtopi ... 1&t=192835
Instagram: https://www.instagram.com/projectkirschwasser/
Racing is meant for the RACE track - deal with it...
2000 - VW Golf 3.5 Cabrio - 2.0
1980 - VW MK1 GT - 1.8 Carb - https://www.vwclub.co.za/forum/viewtopi ... 1&t=153861
1971 - Mitsubishi Colt 1100F - https://www.vwclub.co.za/forum/viewtopi ... 1&t=220503
MK1 Build Register: https://www.vwclub.co.za/forum/viewtopi ... 1&t=192835
Instagram: https://www.instagram.com/projectkirschwasser/
Racing is meant for the RACE track - deal with it...