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Special Tool US 8005, or 2038

 
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Rasta Monsta  



Joined: 12 Jul 2006
Posts: 11733
Location: PacNW

PostPosted: Wed Apr 01, 2009 9:05 am    Post subject: Special Tool US 8005, or 2038 Reply with quote

It's the "how deep is your love" tool for valve adjusting screws. Anyone know where to obtain one?
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  • WeiBe (1987 924S 2.5t) - 931 S3
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ideola  



Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI

PostPosted: Wed Apr 01, 2009 9:37 am    Post subject: Reply with quote

I obtained one on Fleabay a while ago. Only place I've seen one. Honestly, I think it's overrated.
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GregSC  



Joined: 19 Jul 2008
Posts: 122
Location: Lovely, KY

PostPosted: Wed Apr 01, 2009 9:56 am    Post subject: Reply with quote

I just ordered "Special tool 2038" today from Zelenda Automotive Inc. out of New York. (How odd is it that you would post this question today?). Anyway I saw a reference to the company in the old Chilton's Porsche 924 and 928 manual and thought I would see if the company was still in business. It was and they had the part for $17.00. The company's phone number is (718) 896-2288 or (888) 892-8348. They have several Audi and VW tools listed on their website (but not 2038 or 8005), so they could be a good source for factory tools related to our cars (aforementioned Chilton's manual advertised them as such).
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Last edited by GregSC on Thu Apr 02, 2009 8:00 am; edited 1 time in total
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Martijnus  



Joined: 29 Dec 2006
Posts: 2019
Location: Netherlands

PostPosted: Thu Apr 02, 2009 3:01 am    Post subject: Reply with quote

How hard is it to modify an allen wrench?
couldn't be that hard to cut it and weld something to it to get the same tool...
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ideola  



Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI

PostPosted: Thu Apr 02, 2009 3:38 am    Post subject: Reply with quote

Or just etch a mark on one. Frankly, when the "special tool" is at it's limit, you only have one, maybe two full turns left any way before a conventional allen wrench can't reach in far enough. As I said, I think they're over-rated. I end up using the allen wrench 9 out of 10 times, even though I have the "special tool".
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Smoothie  



Joined: 01 Jan 2003
Posts: 8032
Location: DE (the one near MD, PA, NJ)

PostPosted: Thu Apr 02, 2009 9:08 am    Post subject: Reply with quote

While we're talking valve adjust tools, maybe some of ya's that have them can measure and compare results with the Zim's tool I have..? -
http://www.924board.org/viewtopic.php?t=16069&start=10


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'82 924T, US version, dark green metallic, 5 speed Audi 016G gearbox
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ideola  



Joined: 01 Oct 2004
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Location: Spring Lake MI

PostPosted: Thu Apr 02, 2009 9:19 am    Post subject: Reply with quote


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Smoothie  



Joined: 01 Jan 2003
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Location: DE (the one near MD, PA, NJ)

PostPosted: Thu Apr 02, 2009 9:57 am    Post subject: Reply with quote

Thanks Dan.
That's interesting - the range measurement that I came up with from the drawing
in the FSM (6mm) is actually more like 9.5mm (minus the thickness of the tappet wall,
so the range is maybe about 7mm?...Now anybody with a tappet laying around and
can measure the wall thickness? ).

So...the drawing in the manual isn't as correct to scale as I was hoping..

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ideola  



Joined: 01 Oct 2004
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Location: Spring Lake MI

PostPosted: Thu Apr 02, 2009 12:36 pm    Post subject: Reply with quote

Don't have my dial calipers handy at the moment, but the tappet wall thickness is less than 1mm...by eyeballing, I'd say maybe 60-70%.
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RC  



Joined: 25 Mar 2007
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Location: Australia

PostPosted: Thu Apr 02, 2009 3:48 pm    Post subject: Reply with quote

The tappet wall thickness tapers, particularly so in the vicinity of the hole. Most also have an internal burr at the holes.

Thickness varies from 1.3mm at the bottom of the hole to 2.4mm towards the top.
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GregSC  



Joined: 19 Jul 2008
Posts: 122
Location: Lovely, KY

PostPosted: Thu Apr 09, 2009 11:11 am    Post subject: Reply with quote

Just a note on valve adjusting tool 2038 to pass along. Received this tool in the mail the other day and was a little surprised to find out that it is not designed to actually adjust the screws, but just to measure whether or not the adjustments made are within specific tolerances. The tool doesn't have the necessary 3mm hex head on the end. The Haynes manual and associated drawings (in that manual and others) are a little misleading in this regard. If you wanted to use something more than a 3mm Allen wrench for the job it would be advisable to purchase US 8005 (pictured earlier in this thread by Ideola). FYI the green tolerance determining area of both 2038 and 8005 are identical (according to the picture of 8005 in this thread and my measurements of 2038), so there is no advantage to purchasing the older 2038 over 8005, the opposite would be true because you are getting the measurement tool as well as the adjustment tool with US 8005.
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968rz  



Joined: 21 Aug 2006
Posts: 537
Location: S. E. Wisconsin

PostPosted: Thu Apr 09, 2009 11:08 pm    Post subject: Reply with quote

I use a standard 3mm 1/4" drive Allen socket from Snap-On (# tmamxs3e) that I ground down to fit, looks just like the one Smoothie posted and it works great.
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