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Warren and all good wrenches Please help!
Hi warren, and all, please can someone help identify this small pin (by quarter)from my tranny in case driving without it causes a major
 !Thanks Guys |
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03-26-2001, 12:50 PM
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ragtop - is it a solid pin or is it a roll-pin (hollow with a longitudinal 'split')?
Andy (UK) '69 911E |
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03-26-2001, 01:20 PM
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Andy,
It is a solid pin,seems highly polished!. no scratch marks or signs of impact/breakage. hope this helps Thanks Ben |
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03-26-2001, 01:27 PM
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if it's solid i would imagine it's from one of the needle bearing cages the gears roll on.
[This message has been edited by john walker's workshop (edited 03-26-2001).] |
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03-26-2001, 01:52 PM
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Hey 86!
Give me a fax number and I will fax the parts diagram from my factory manual. There is a "Spiral Pin" that looks like yours on the inside of the tranny that goes in the "Castle Nut" that screws into the "Reverse Gear Set". Also there is a second pin that goes inside the tranny for 5th gear. At least I can read the pictures! Huey581 86 911 Cab |
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03-26-2001, 01:55 PM
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Thanks Huey and all,
have e-mailed my fax no. to you direct. rgds Ben |
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03-26-2001, 02:05 PM
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Ben,
From the equal-length discoloration at both ends ... that is, with 100% certainty, a needle-bearing roller! ------------------ Warren Hall 1973 911S Targa |
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03-26-2001, 02:38 PM
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That looks like a needle bearing from the input shaft. 2 different sets there, and also on the pinion shaft gear cluster. I hope it was missed in the tranny rebuild (stuck to some goo) and you just flushed it out.
good luck Tim in Sac |
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03-26-2001, 03:09 PM
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Okay warren a 'needle bearing roller' you say.
Excuse my lack of knowledge, but is it important?. As you may remember, this is a 4 month old rebuild by Vertex (6 month warrantee) Does it warrant another rebuild? Is it that serious or what? You were right about a small amount of discolouration about 1mm at either end!. Should I drive it? Should I even worry about it? Please advise (I trust you guys more than the mechanics who profit by my lack of knowledge.) thanks Ben PS Huey recieved the fax thanks! [This message has been edited by 86ragtop (edited 03-26-2001).] |
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03-26-2001, 04:18 PM
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Ben,
The significance of the discoloration is that it is a 'used' bearing part, and was probably inadvertently left inside during the rebuild, but the magnet did its' job ... and kept it out of harm's way! I believe that the roller is from a 5th gear roller cage, as that bearing has to be removed by hand during the disassembly, and replaced during final assembly steps. And, no, I don't think you have anything to worry about! I believe you can drive your car without worry! You may want to discuss this matter with Vertex, to see what they have to say. I'm sure they can show you a 5th gear roller cage for comparison with the roller you found, and verification that it is the proper length for that bearing. ------------------ Warren Hall 1973 911S Targa |
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03-26-2001, 05:34 PM
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Thanks Warren,
I will sleep soundly tonite!  I will show it to Vertex as suggested and hear their comments, who knows what they may offer ('zip' probabley) Anyway thanks all others for helping aswell! regards ben |
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03-26-2001, 06:00 PM
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