 Gearbox input shaft seal installation? |
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| falcor75 |
 Apr 1 2017, 07:51 AM
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#1
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Senior Member  Group: Members Posts: 1,579 Joined: 22-November 12 From: Sweden Member No.: 15,176 Region Association: Scandinavia 
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How deep should it be installed? Flush with the outer flange or flush with the inner flanfe??
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Replies
| falcor75 |
Apr 22 2017, 10:08 AM
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#2
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Senior Member Group: Members Posts: 1,579 Joined: 22-November 12 From: Sweden Member No.: 15,176 Region Association: Scandinavia
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Well I got a pretty obvious signal from the gearbox that I didnt put the seal in deep enough for the conical inner lip to mate to the input shaft, blue drips on the garagefloor.
So I pulled the gearbox out and will try again tomorrow. Luckily I ordered a few extra seals since they were quite cheap. (IMG:http://www.914world.com/bbs2/uploads_offsite/matsgarage.com-15176-1492877335.1.jpg) Left one is an Elring Klinger that I got from a Swedish Porsche parts dealer. The right one is a Kaco brand that I got from the closest Porsche dealership. The last one I put in was the Kaco brand. Now I'm thinking of using the Elring instead. (IMG:http://www.914world.com/bbs2/uploads_offsite/matsgarage.com-15176-1492877336.2.jpg) Elring left, Kaco right. (IMG:http://www.914world.com/bbs2/uploads_offsite/matsgarage.com-15176-1492877337.3.jpg) Elring is the smooth one and Kaco is the ribbed one. The only other difference that wont show in pictures is that if I pinch the inner lip of the Kaco brand its much stiffer than the Elring which is more pliable. So tomorrow I'll pop one in and drive it in deeper than last time when it just cleared the guide tube. Any other advice? Lube or dry outside? |
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| Bartlett 914 |
Apr 22 2017, 05:02 PM
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#3
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Advanced Member Group: Members Posts: 2,218 Joined: 30-August 05 From: South Elgin IL Member No.: 4,707 Region Association: Upper MidWest |
QUOTE(falcor75 @ Apr 22 2017, 10:08 AM)  Well I got a pretty obvious signal from the gearbox that I didnt put the seal in deep enough for the conical inner lip to mate to the input shaft, blue drips on the garagefloor. So I pulled the gearbox out and will try again tomorrow. Luckily I ordered a few extra seals since they were quite cheap. (IMG:http://www.914world.com/bbs2/uploads_offsite/matsgarage.com-15176-1492877335.1.jpg) Left one is an Elring Klinger that I got from a Swedish Porsche parts dealer. The right one is a Kaco brand that I got from the closest Porsche dealership. The last one I put in was the Kaco brand. Now I'm thinking of using the Elring instead. (IMG:http://www.914world.com/bbs2/uploads_offsite/matsgarage.com-15176-1492877336.2.jpg) Elring left, Kaco right. (IMG:http://www.914world.com/bbs2/uploads_offsite/matsgarage.com-15176-1492877337.3.jpg) Elring is the smooth one and Kaco is the ribbed one. The only other difference that wont show in pictures is that if I pinch the inner lip of the Kaco brand its much stiffer than the Elring which is more pliable. So tomorrow I'll pop one in and drive it in deeper than last time when it just cleared the guide tube. Any other advice? Lube or dry outside? Always lubricate a shaft seal. Use the same oil as you are sealing out. Inside and out. I have seen where grease is used. This works for awhile but later prevents oil from lubricating the lip at the point of contact. The result is a worn groove on the shaft and a leak. Lubricate the shaft before inserting also. |
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Posts in this topic
falcor75 Gearbox input shaft seal installation? Apr 1 2017, 07:51 AM
falcor75 RE: Gearbox input shaft seal installation? Apr 1 2017, 07:52 AM forrestkhaag In order to seal properly, (and I just did mine a ... Apr 1 2017, 09:41 AM BeatNavy The primary goal is to just get the seal deep enou... Apr 1 2017, 10:11 AM
mtndawg
The primary goal is to just get the seal deep eno... Apr 1 2017, 04:08 PM BeatNavy
The primary goal is to just get the seal deep en... Apr 1 2017, 05:05 PM porschetub Had this tool from VW days perfect for installing ... Apr 1 2017, 01:57 PM 914Sixer I can add a picture of what the seal looks like. ... Apr 1 2017, 09:26 PM BeatNavy Here's a couple of pics of the type Mark got a... Apr 2 2017, 08:00 AM dangrouche I would always smear of lube to prevent tearing of... Apr 22 2017, 10:22 AM falcor75 I made a tool that will work, lasercut a washer th... Apr 22 2017, 10:50 AM The Cabinetmaker You must clean and smooth the inside of the case. ... Apr 23 2017, 07:50 AM falcor75 Car is back together and testdriven around 20 km. ... Apr 23 2017, 08:42 AM SteveNMaine Can you use the guide tube to press in the seal? May 6 2025, 07:08 AM |
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