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BarryL 
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Joined: November 01, 2004
Posts: 15527
Location: Casa de Oro, California
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 Posted: Mon Nov 10, 2025 6:55 pm Post subject: Re: Neiman steering lock - no key |
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| BarryL wrote: |
| Can you post a photo of your lock barrel and your electric switch? |
| garym999 wrote: |
The switch seems readilly available and has the single click start
The lock barrel (211.905.855.3) is not right, it only has one lug to turn the cam where there are two slots in the cam. That said it will operate the cam fine. The lock only has one position where you can remove the key, in the steering bolted postion.
I'm also not sure the key sticks through enough to activate the slider, if that's what it does.
I have now managed to design and 3D print another cam in PETG as proof of concept and it works. Long term I'm sure it would get worn out. I got a quote through for having it printed in Aliuminium, for one its coming in at nearly £200 (~$263), less for higher quantities.
Using the photos in this thread I have tried to reproduce the slider but I don't fully understand its function or operation so can't see what it brings to the party at the moment. There is no slot in my cam for the pin on the underside of the slider |
| garym999 wrote: |
Right, I have now mocked up the slider so I can play with it and I finally understand its function I think...
It stops the steering lock activating until the key has been removed.
As already said a lovely bit of engineering |
It looks like you have the sliding parts that fit your middle housing part. The middle housing part carries the turning of the key on across to the electric part. The electric part has the springs in it to spring from start to run. It should work as that little 2nd nub will still help turn the middle and switch. |
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garym999
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Joined: November 26, 2022
Posts: 205
Location: Oxfordshire, UK
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| Posted: Tue Nov 11, 2025 12:40 am Post subject: Re: Neiman steering lock - no key |
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Without having a sliding peg to measure trying to get this working has a lot of trial and error. The height of the sprung peg, latch has to be just right to catch the key but not so tall that it interferes with the rotating cage/lock barrel.The ramp angle also has to be right so that the peg can slide past the key when needed.
I have also checked with PCBway and Ali printing is a lot cheaper and quicker too. So watch this space.
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garym999
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Joined: November 26, 2022
Posts: 205
Location: Oxfordshire, UK
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| Posted: Tue Nov 11, 2025 2:00 am Post subject: Re: Neiman steering lock - no key |
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Both the bodies I have, have holes in the bottom at about 5:30. On one this is where the steel pin still lives. So I knocked it out...
It took a bit of the surrounding Ali out when I did it and left a very simalar looking hole to the other body I have...
It looks as though the securing pin is actually a self tapping screw that is then ground back?
I'm going to look at using a grub screw when I get this back together properly.
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BarryL
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Joined: November 01, 2004
Posts: 15527
Location: Casa de Oro, California
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| Posted: Tue Nov 11, 2025 6:38 pm Post subject: Re: Neiman steering lock - no key |
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The AudiVw lock you posted does not use the pin you removed.
The pin you removed is a pin with a knurled end to stay in. Not a screw but someone may have come back and used a screw.
The AudiVW lock is released by using a drift into the hole that has the bolt that holds it to the column. |
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garym999
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Joined: November 26, 2022
Posts: 205
Location: Oxfordshire, UK
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| Posted: Mon Nov 24, 2025 9:30 am Post subject: Re: Neiman steering lock - no key |
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Got the parts back after having them 3D printed in Ali...
The parts have a sintered finish and some slight edges that need finishing and filing back, but did it not take long to get a working mech. 
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matthew henricks
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BarryL
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Joined: November 01, 2004
Posts: 15527
Location: Casa de Oro, California
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| Posted: Sat Nov 29, 2025 6:35 pm Post subject: Re: Neiman steering lock - no key |
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| garym999 wrote: |
Got the parts back after having them 3D printed in Ali...
The parts have a sintered finish and some slight edges that need finishing and filing back, but did it not take long to get a working mech. |
Tell why you made those excellent parts. What was wrong with your original parts except for the "one-lug" on your lock barrel?
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garym999
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Joined: November 26, 2022
Posts: 205
Location: Oxfordshire, UK
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| Posted: Sun Nov 30, 2025 2:27 am Post subject: Re: Neiman steering lock - no key |
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The issue was, I didn’t have the parts and where would you get them? It seems people put these locks to one side for use on another project and in the meantime the guts of the lock fall out and get lost.
I managed to find a few bodies but not much that was complete and reasonably priced. Also I had a hankering to print something in Ali to see what it came out like.
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HUGO bOSS
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BarryL
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Joined: November 01, 2004
Posts: 15527
Location: Casa de Oro, California
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| Posted: Thu Jan 15, 2026 6:41 pm Post subject: Re: Neiman steering lock - no key |
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| HUGO bOSS wrote: |
Fantastic information!
I bought one, but whit some diferences... and can't get out the switch...  |
Photos or more information? |
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HUGO bOSS
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Location: Madeira Island - Portugal
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| Posted: Fri Jan 16, 2026 12:58 pm Post subject: Re: Neiman steering lock - no key |
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| BarryL wrote: |
| HUGO bOSS wrote: |
Fantastic information!
I bought one, but whit some diferences... and can't get out the switch... |
Photos or more information? |
It's a Neimar 74...
The key get out in two diferent positions.
The interior lock to the colum dont get out...
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garym999
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Joined: November 26, 2022
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Location: Oxfordshire, UK
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| Posted: Fri Jan 16, 2026 2:06 pm Post subject: Re: Neiman steering lock - no key |
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Looks the same. The first thing I’d do is take the ignition switch off. That should reveal the end of the cam which you can then confirm is rotating with the key.
While rotating the key you should also be able to press the bolt in. It’s spring loaded and should pop out. A bit of penetrating fluid might help free it up
If that all fails then you need to strip the mech down and that means removing the lock. Around the perimeter on the side there will be a locking pin however it will probably be hidden under the paint. You might be able to pull it out after drilling a small hole into it and the inserting a screw. Alternatively you could drill it out.
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HUGO bOSS
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| Posted: Fri Jan 16, 2026 3:13 pm Post subject: Re: Neiman steering lock - no key |
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| garym999 wrote: |
Looks the same. The first thing I’d do is take the ignition switch off. That should reveal the end of the cam which you can then confirm is rotating with the key.
While rotating the key you should also be able to press the bolt in. It’s spring loaded and should pop out. A bit of penetrating fluid might help free it up
If that all fails then you need to strip the mech down and that means removing the lock. Around the perimeter on the side there will be a locking pin however it will probably be hidden under the paint. You might be able to pull it out after drilling a small hole into it and the inserting a screw. Alternatively you could drill it out. |
Many thanks for the advices.
It look the same... but the hole to release the ignition is not round, but rectangular. I have tried to open a bigger hole and take it off with a screw, with no sucess. Will try some WD40 on him... Looks like the spring is not working... just move 1, 2 mm... but not release...
Will try again tomorrow...
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garym999
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Location: Oxfordshire, UK
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| Posted: Fri Jan 16, 2026 3:29 pm Post subject: Re: Neiman steering lock - no key |
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Not sure I understand, do you have a picture?
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HUGO bOSS
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| Posted: Fri Jan 16, 2026 3:31 pm Post subject: Re: Neiman steering lock - no key |
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| garym999 wrote: |
| Not sure I understand, do you have a picture? |
No. Will take photos tomorrow (the lock is not with me at this moment).
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HUGO bOSS
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| Posted: Fri Jan 16, 2026 5:06 pm Post subject: Re: Neiman steering lock - no key |
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And just a question... in the steering colum should be a hole for this work, right?
I bought this recently... it wasn't on the bus...
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garym999
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Location: Oxfordshire, UK
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| Posted: Sat Jan 17, 2026 4:36 am Post subject: Re: Neiman steering lock - no key |
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Yep it’s a slot in the back (as you look at it) of the steering column just below the mounting bracket. The slot exposes the steering bar which should also have a slot which is the bit the bolt actually latches into.
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HUGO bOSS
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| Posted: Sat Jan 17, 2026 4:03 pm Post subject: Re: Neiman steering lock - no key |
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| garym999 wrote: |
| Yep it’s a slot in the back (as you look at it) of the steering column just below the mounting bracket. The slot exposes the steering bar which should also have a slot which is the bit the bolt actually latches into. |
 Thank you.
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HUGO bOSS
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BarryL
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Location: Casa de Oro, California
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| Posted: Sat Jan 17, 2026 6:49 pm Post subject: Re: Neiman steering lock - no key |
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Is the hole that has threads for a bolt a dead end or can you see something down there? |
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