I have 2003 Audi A4 and my drivers door is locked and wont open with the key or central lockin i have an Audi A4 and my drivers door is locked and wont open with the key or central locking buttons and the other 3 doors open can u help me
SOURCE: audi a4 1995 central locking problem
Hi there.
I had exactly the same problem and there are 2 ways of solving it. The first is to pay your Audi Service Centre £350-£550 to replace it for you and the second way is to do it yourself which will cost well under £100 (depending on ebay). Firstly check the Central Locking Pump to make sure the hoses haven't come off. This is located in the very back right hand corner of the boot so you will need to remove the carpet and internal trim and you will see a block of sponge. Carefully lift the top off this and you will see the pump sat inside it.
Actually there is a great set of photos online to help you and I will add the link for you at the end. If the hoses are still connected and not leaking it is very likely that the internal compressor wheel has shattered (quite a common fault). I believe it is possible to open the pump and replace this wheel (in fact there is one for sale on a very popular auction site at the moment) but my own preference was to simply buy a whole new pump and replace that (£16.00 + £8 p+p off the same auction site).
The most important thing for you to remember is that when you look to buy a replacement pump you need to find one with the EXACT same serial number. The one in the diagram shown is
8LO 862 257 N but I have a sneaky feeling yours might end in an A.
Anyway, I hope this is of some help and dont worry about the connections as both air connectors and all 3 electrical ones are different sizes and will only fit in one place each.
Good luck.
Rik
http://www.audiworld.com/tech/elec131.shtml
SOURCE: Audi A4 Y Reg 2001, Central locking
reset you computer, do this by removing the positive battery cable for 10 mins.
SOURCE: Audi A4 02 door wont lock.
CHECK UNDER THE RUBBER BOOT,WERE THE DOOR HINGES ARE, AND CHECK FOR BROKEN OR CUT WIRING. IT IS A PROBLEM WITH THE AUDI A4
SOURCE: Audi a4 driver dood wont open
Enter car from left rear behind the driver and see if you can manually unlock it from the inside. Then use remote to test it.
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