About that '96 Audi A4 trunk lock....
Had to make keys.
Takes a V37 blank and there's 7 cuts at 4 possible depths.
Once keys are made for the trunk lock, they will also operate the doors and ignition.
After removing the vacuum assembly and the gears,
I could see the core.
I also saw a damaged part.
So I set out to find a replacement lock.
Well,
1996 was a "split year" for the keying systems.
It went from a regular V37 blank to a high security,
or as some call them, "laser cut."
Those locks take an HU66 high security blank.
The mechanisms are the same, it's just a difference in which blank the core will accept.
Sure, I could use a high security core, but, really?
OK.
Only half a year the V37 core was made that fits the cylinder.
In Germany.
18 years ago.
Hmmm...
How many were even shipped to the US?
I could find NONE!!!
Oh, and the customer is moving to Florida this weekend.
So,
Without going into many details,
I relied upon my jewelers saw, needle files and
skills of hand fabrication that I've been blessed to acquire,
and after an hour and a half I had the replacement part made,
installed in the cylinder assembly,
reassembled the gear system, vacuum assembly and had a pair of V37 keys cut to fit.
I then called up the owner, drove across town, re-installed the lock,
tested it thoroughly and had the customer operate it and he was happy.
And I was happy.

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2GF,
There are many good folks here who care about you.
We are there with you in spirit.
Your shoulders are broad because you will carry another's weight if needed without complaint.
Know that we will now help you with our collective broad shoulders with prayers and maybe a word
or two of encouragement....
Who else wishes they were close enough to be there to offer a hand?
Always in my thoughts,
Best Wishes,
Scott