 Bolt for speedo drive, Need one |
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| boxsterfan |
 Mar 28 2015, 04:52 PM
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#1
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914's are kewl  Group: Members Posts: 1,776 Joined: 6-June 03 From: San Ramon, CA Member No.: 791 Region Association: Northern California  |
So somewhere in my stash of bags, I lost the little bolt that holds the speedometer drive gear to the transmission.
Where can I get one of these? What's the threading/pitch on that little bolt? Note, it has to have that little tip to stick into the side of the angle drive casing thingy. |
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| hndyhrr |
Mar 29 2015, 12:21 PM
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#2
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Senior Member Group: Members Posts: 553 Joined: 1-September 13 From: central point,oregon Member No.: 16,332 Region Association: Pacific Northwest 
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think Pelican parts has it
might try a hardware store that has lots of those little bin's on the back wall or a porsche or vw shop. |
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| hndyhrr |
Mar 29 2015, 12:24 PM
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#3
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Senior Member Group: Members Posts: 553 Joined: 1-September 13 From: central point,oregon Member No.: 16,332 Region Association: Pacific Northwest
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pp# 901-424-29-00
I think this is what your talking about |
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| boxsterfan |
Mar 29 2015, 08:11 PM
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#4
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914's are kewl Group: Members Posts: 1,776 Joined: 6-June 03 From: San Ramon, CA Member No.: 791 Region Association: Northern California |
QUOTE(hndyhrr @ Mar 29 2015, 11:24 AM)  pp# 901-424-29-00 I think this is what your talking about Thanks. I did look through http://bowlsby.net/914/Classic/zTN_Man02.pdf on page 55. which shows the bolt, washer and a threaded insert? http://www.porsche.com/all/media/pdf/origi...914_KATALOG.pdf on page 113/114. It looks like parts numbers: 901 378 272 03 - hexgon head bolt (no size...prob M8/1.0) 900 031 001 02 - washer 8mm od/4mm id 999 504 070 00 - threaded insert I don't believe I have the threaded insert in there either. Any transmission guru's point me in the right direction? Thanks for all the help!! |
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| McMark |
Mar 30 2015, 09:40 AM
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#5
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
I'm pretty sure it's 8x1.25. Just a standard bolt, with the modified nipple.
Can you post a pic? I suspect Dr. Evil has bags of them. I probably have a few running around here, but can't even guess at where to start looking for one. (IMG:style_emoticons/default/sad.gif) You can pull the rear cover pretty easily to get a helicoil installed. Just make sure you're familiar with the order of parts for the reverse gear. That's the only parts you have to deal with when pulling the rear cover. |
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| boxsterfan |
Mar 31 2015, 06:18 PM
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#6
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914's are kewl Group: Members Posts: 1,776 Joined: 6-June 03 From: San Ramon, CA Member No.: 791 Region Association: Northern California |
QUOTE(McMark @ Mar 30 2015, 08:40 AM) I'm pretty sure it's 8x1.25. Just a standard bolt, with the modified nipple. Can you post a pic? I suspect Dr. Evil has bags of them. I probably have a few running around here, but can't even guess at where to start looking for one. (IMG:style_emoticons/default/sad.gif) You can pull the rear cover pretty easily to get a helicoil installed. Just make sure you're familiar with the order of parts for the reverse gear. That's the only parts you have to deal with when pulling the rear cover. Is there supposed to be a helicoil in there? I don't have the bolt (lost it) to take a picture of it. I was just looking at the parts in the PET stuff and I saw the bolt and washer (expected that of course) but also so that there is a threaded insert that goes in there also. Pulling the rear cover might be my only option though to get a good look at it. Can pulling the rear cover be done with trans installed? How many pieces are going to come flying out all over the ground when I do that? :-) I may have to unbolt the exhaust muffler (triad) from the heat exchangers to get some working room I suppose. Note: I'm a weekend mechanic. Haha!! |
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| boxsterfan |
Apr 2 2015, 10:34 PM
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#7
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914's are kewl Group: Members Posts: 1,776 Joined: 6-June 03 From: San Ramon, CA Member No.: 791 Region Association: Northern California |
Bump.
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| stownsen914 |
Apr 3 2015, 08:15 AM
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#8
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Senior Member Group: Members Posts: 910 Joined: 3-October 06 From: Ossining, NY Member No.: 6,985 Region Association: None |
Assuming it's a side shifter, not too much will fall out other than the reverse idler gear as suggested. Nothing else should come out. You'll have to remove the muffler as you noted. Don't forget to drain the oil first!
On another note, I made one of those bolts once in a pinch, using a regular 8mm bolt, and it worked fine. Better to get a correct one though. |
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| McMark |
Apr 3 2015, 08:41 AM
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#9
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
I don't think I've ever seen one without a helicoil.
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| boxsterfan |
Apr 4 2015, 09:06 PM
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#10
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914's are kewl Group: Members Posts: 1,776 Joined: 6-June 03 From: San Ramon, CA Member No.: 791 Region Association: Northern California |
Thanks guys. My car is so far from driving these days that every little bit helps.
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