All Things Mk5 > How to Guides / Troubleshooting
**HOW TO**: Door lock module replacement **Photos Fixed**
costi88:
Hi
A have a similar problem but does not appear evri time .I did a scan with vcds I got error 00470 and 01333 after delete did not pup up again but it's still doesn't work all the time....so I have to check all the time .
Do I need a new one?what does your experience say
Thanks :happy2:
markt:
Just used this guide took 1hr 30mins to do rear
costi88:
replaced the module works lika a charm......if somebody has my problem in the future,Thanks
Guff:
Many thanks to Matto for a comprehensive guide - just wish I'd read it before I took the inner door card off my son-in-law-to-be's car.
I'm a retired electronics engineer so I was keen to find out the failure mode. I was loathed to replace the module with a second hand one of unknown pedigree and he was loathed to buy a new one. I opened up the module and found that one of the motors was not working unless it was given a gentle push. It then ran fine, but every time it stopped it would not start up again without help. The motors can be removed from the rigid wiring quite easily and the motor can be opened up by bending back the two locking tabs. As I expected, the commutator was in a bad way and one pole was terribly pitted (which probably explains where the motor stopped and why it wouldn't start up again) but there was some useful carbon left on the brushes so I carefully cleaned the poles and put it back together. It now runs fine, but it took me three attempts to get all the mechanical linkages back together. Sorry there are no pictures but there is a guide to taking the module apart on YouTube (but the internals are different as there are two motors):
In my opinion, the motors are cheap and nasty and therein lies the reason for a lot of failures. You may be lucky if you use a second hand one or you may have to replace it sooner than you'd like. It is possible to recondition the motors and restore them to a good working state.
doylebros:
--- Quote from: Guff on July 26, 2016, 10:17:44 pm ---Many thanks to Matto for a comprehensive guide - just wish I'd read it before I took the inner door card off my son-in-law-to-be's car.
I'm a retired electronics engineer so I was keen to find out the failure mode. I was loathed to replace the module with a second hand one of unknown pedigree and he was loathed to buy a new one. I opened up the module and found that one of the motors was not working unless it was given a gentle push. It then ran fine, but every time it stopped it would not start up again without help. The motors can be removed from the rigid wiring quite easily and the motor can be opened up by bending back the two locking tabs. As I expected, the commutator was in a bad way and one pole was terribly pitted (which probably explains where the motor stopped and why it wouldn't start up again) but there was some useful carbon left on the brushes so I carefully cleaned the poles and put it back together. It now runs fine, but it took me three attempts to get all the mechanical linkages back together. Sorry there are no pictures but there is a guide to taking the module apart on YouTube (but the internals are different as there are two motors):
In my opinion, the motors are cheap and nasty and therein lies the reason for a lot of failures. You may be lucky if you use a second hand one or you may have to replace it sooner than you'd like. It is possible to recondition the motors and restore them to a good working state.
--- End quote ---
Interesting approach but it makes me wonder why not fit one of these http://www.ebay.co.uk/itm/Front-Right-Driver-Side-Door-Lock-Control-Mechanism-For-VW-Golf-Mk5-2003-2009-/161996465304?hash=item25b7bde498:g:ODEAAOSw9ZdXKY0B
The price makes it worth it just for spares if your that way given.
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