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Fork Lowers Leak Please Help!!

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Old Mar 19, 2008 | 10:55 PM
  #1  
pwer pla's Avatar
pwer pla
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Default Fork Lowers Leak Please Help!!

Installed new lowers, progressive springs seals etc. etc. Got everything back together and all seemed well. Took the bike over to a buddys so he could do some paint touch up for me (heated garage)and low and behold I start to get a leak around the seat pipe screw (screw in the bottom of the lower fork tube that screws up into the seat pipe). This screw was a bitch to tighten when I put everything back together, I pulled down on the lowers to put some tension on the seat pipe (per service manual)and tightened as well as I could but could still feel the seat pipe rotate inside the fork a when I go it so tight, the tourque value is not that high for the screw so i figured I was ok, no such luck. My buddy who has done extensive work on his bike and in a mechanic by trade suggested taking the forks apart and cleaning the seat pipe screw and threads and reinstalling them with some gray silicone so this is what I am planning. Any other tricks or tips to fix this would be appreciated. The wife is going through withdrawal from not riding and I am about to go nuts having a bike that is less than perfect. Please help. Thanks
 
Old Mar 21, 2008 | 09:44 AM
  #2  
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sqdealgeorge
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From: Eagle River WI
Default RE: Fork Lowers Leak Please Help!!

I usually clean the bolt threads plus the internal dampening pieces before re assembly I use clear silicone and let it dry before adding fork fluid
 
Old Mar 21, 2008 | 12:17 PM
  #3  
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Default RE: Fork Lowers Leak Please Help!!

Blueballs would suggest seal them with JB WELD!!!
 
Old Mar 21, 2008 | 12:51 PM
  #4  
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Da Gumpmeister
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From: Forest Lake, Mn
Default RE: Fork Lowers Leak Please Help!!

Personally, I shy away from silicone on my bikes. For something like this(because I just experienced this on the 78 FLH when I put in new seals this winter), I'd use Permtex HIGH TACK #765-1221. Non-hardening, and when you go to take things apart, it will clean up with lacquer thinner very easily. JMHO
 
Old Mar 21, 2008 | 01:59 PM
  #5  
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Landfill_Tim
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Joined: Jan 2006
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From: Roswell, Ga
Default RE: Fork Lowers Leak Please Help!!

Make sure you didn't forget the Copper gasket. Sometimes they will stick in the old legs.

I like the high tack idea. I've done6 sets of lowers and none leak yet.
 
Old Mar 21, 2008 | 02:02 PM
  #6  
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Default RE: Fork Lowers Leak Please Help!!

Did you use new copper crush washers?
 
Old Mar 21, 2008 | 02:11 PM
  #7  
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DeJavu
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Default RE: Fork Lowers Leak Please Help!!

Is it possible you have just crossthreaded the screw?
 
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