central locking problem

[jericho200]

hi all brought an a4 1995 a few days ago all was fine until this morning when i went to lock the doors the driver side was the only one that locked?

i have checked the fuses all are fine any help would be appreciated

many thanks

[richie_jones]

If you noticed that the central locking pump was overrunning after you`d locked the doors then the impeller IMPLODES as it overheats.... Check it out in your boot.

[jericho200]

many thanks for reply here is abit more info if that helps

hi there where in the boot would i find it cos i have looked in the boot and have not found anything i've took the carpet out ,

i'm abit confused as the central locking was working fine on wednesday but when i went to lock the car on thursday morning when i went to the shop the only door that would lock is the door i used the key in none of the other doors would lock and i did hear a weird noise abit like a humming noise earlier on thursday morning but thought nothing of it at the time, could this have been an early sign that the central locking pump say was packing up any other help would be appreciated

[jericho200]

If you noticed that the central locking pump was overrunning after you`d locked the doors then the impeller IMPLODES as it overheats.... Check it out in your boot.
many thanks for reply here is abit more info if that helps

hi there where in the boot would i find it cos i have looked in the boot and have not found anything i've took the carpet out ,

i'm abit confused as the central locking was working fine on wednesday but when i went to lock the car on thursday morning when i went to the shop the only door that would lock is the door i used the key in none of the other doors would lock and i did hear a weird noise abit like a humming noise earlier on thursday morning but thought nothing of it at the time, could this have been an early sign that the central locking pump say was packing up any other help would be appreciated
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[richie_jones]

Read this:

http://www.audiworld.com/tech/elec.html

scroll down to B5 Central Locking Pump Failure and Replacement


hope it helps...

[jericho200]

many thanks for your help i found out it was the pump i have now got another one and now the central locking works fine, again thanks for your help