GUIDE: Repairing Shimano 105(5500) STI Levers
- QuangVuong
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GUIDE: Repairing Shimano 105(5500) STI Levers
Postby QuangVuong » Sun Mar 17, 2013 8:34 pm
Got these 105(5500) shifters off eBay, and they were dirty as! The levers were scratched up and ugly, and the shifting was fine, but it didnt feel smooth.
Onto dismantling. Once the hoods are removed, you are faced with this panel which is on the inside part of the shifter(where your thumbs go). Just unscrew with a Phillips screwdriver. Inside is just the Flightdeck computer cable.
Use a 2mm allen key to remove the grub screw which holds the pivot on.
Use a small enought screw driver to push out the pivot. Now you can remove the lever from the body. Take care when removing the Flightdeck cable.
Get a flat head screwdriver or something of the sort to pry off the name plate.
Underneath this name plate is another screw. Remove with a Phillips, and then you can pull off that black part.
Next is a 8mm nut. Use an adjustable wrench, a 8mm wrench or a 8mm socket to remove. Theres dirt build up already, and I havent even reached the inside yet.
Flip the lever to the backside to locate a Phillips screw. Remove this screw. Watch out for the washer underneath. More dirt and grease build up. You now can pull off the lever. There is a round spring behind, and make sure this doesnt fly off somewhere(very low chance though).
A 9mm nut is next. Use an adjustable wrench, a 9mm wrench or a 9mm socket to remove. Its surpsing that theres all this grease and dirt out here. The internal gears are the parts that need to be greased, not the outside parts. Note that the round spring will be reattached to the small slit at 7 oclock in the pic.
You can remove the black plate, the silver plastic body part(cable guide) underneath, and a grey ring which connects to the Flightdeck cable.
Now you have two choices, continue dismantling or you can dip it into some sort of degreaser. I chose to no go any further, as everything can be accessed at this point. I chucked it into petrol, and let it soak for a few mins. You can use a toothbrush or something similar to brush away the grease and dirt.
Now once the parts are clean, you can begin to grease the parts. There are only two areas which would need grease.
The bottom side of the shifter.
Hard to see, but its the top side. Lift up the pawl, and grease underneath.
Thats it! Now to rebuild do these steps backwards. Repeat for the other shifter if need be(right hand is slightly different, but it is mostly the same).
The end result after sanding and polishing.
And as an aside, heres a couple finished products of the Soras(3300) which were rebuilt and polished. Hoods were repaired with silicone as well. I cut the right hood all the way down the outer side as it was already half ripped, then taped the innerside and silicone patched it up. Works well so far. Link below was what I read up on:
https://sites.google.com/site/reukpower ... ra-sti-fix" onclick="window.open(this.href);return false;
Oh, and I will offer a service to rebuild STI levers. So far I have done the Sora and the 105 as above, but I am sure that I can get around to doing the others without too many problems. I will also gladly take in any broken shifters, or ones that do not work anymore. Please PM me if youre interested!
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- elantra
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby elantra » Mon Mar 18, 2013 8:45 am
This topic should probably be made "sticky" and kept at top of page for easy future reference.
? Moderator input
- QuangVuong
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby QuangVuong » Mon Mar 18, 2013 3:33 pm
And I would be able to do a more indepth one for the next shifters(most likely if someone needs a repair). This time around it was quite explorative and ai didn't really take pics of every single step.
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby __PG__ » Mon Mar 18, 2013 4:28 pm
- Mulger bill
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby Mulger bill » Mon Mar 18, 2013 7:05 pm
Sounds fair. Anyone care to second the motion for stickiness?elantra wrote:Very good work mate.
This topic should probably be made "sticky" and kept at top of page for easy future reference.
? Moderator input
London Boy 29/12/2011
- rangersac
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby rangersac » Tue Mar 19, 2013 2:22 pm
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby im_no_pro » Tue Mar 19, 2013 3:51 pm
Shtuck.rangersac wrote:Second sticky request
- vaeske
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby vaeske » Thu Mar 21, 2013 12:58 am
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby QuangVuong » Thu Mar 21, 2013 6:43 am
Would you like me to have a go? And what's wrong with it?
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby LG » Sun Mar 24, 2013 8:02 pm
- Dan
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby Dan » Sun Mar 24, 2013 8:08 pm
Required items include alcohol and lube. Fun Sunday night, then...LG wrote:Then there's this for anybody wanting to repair 6400 shifters http://imgur.com/a/0tPBK" onclick="window.open(this.href);return false;
- QuangVuong
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby QuangVuong » Sun Mar 24, 2013 8:21 pm
I bought myself a pair of RX100 intergrated shifters, so those are up next. Also got the RSX ones to do as well soon. Possibly getting down a 105 (5600) to repair.
- QuangVuong
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby QuangVuong » Fri Mar 29, 2013 6:55 pm
viewtopic.php?f=34&t=62877" onclick="window.open(this.href);return false;
If you mods wanna keep it within 1 topic, then copy the thread and edit into the end of the first post of this thread. As well as change the title to include the RX100 shifters. Thanks
- QuangVuong
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby QuangVuong » Thu Apr 25, 2013 7:53 pm
viewtopic.php?f=34&t=63753" onclick="window.open(this.href);return false;
Blog: https://villaveloframes.wordpress.com/
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- Dan
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby Dan » Fri Apr 26, 2013 9:45 pm
- QuangVuong
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby QuangVuong » Fri Apr 26, 2013 10:09 pm
If these shifters have broken parts, then its unlikely that they'll be fixed.
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- Dan
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby Dan » Fri Apr 26, 2013 10:35 pm
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby thecaptn » Sat May 25, 2013 4:26 pm
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby QuangVuong » Sat May 25, 2013 6:16 pm
Blog: https://villaveloframes.wordpress.com/
FB & IG: @villaveloframes
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby thecaptn » Sat May 25, 2013 8:12 pm
Yes this is them. Great guide QuangVuong, these look relatively simple to work on and I'm sure now I can do it.QuangVuong wrote:Have a look at my RX100 guide. That will be 99% the same. The only difference on your shifter is that yours will say 105, but all internals and assembly is the same.
Thanks, you are indeed the Shifter Guru
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby thecaptn » Sun May 26, 2013 7:06 pm
- DavidL
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby DavidL » Wed Jun 12, 2013 4:12 pm
I pulled them down and removed each of the individual paws and greased everything as it went back together with teflon grease (so hope the grease won't harden over time). Cleaned all of the parts in my parts cleaner with diesel, a rag and degreaser and water for the plastic parts.
It is a fiddly job and some of the springs are a bugger to get back on (especially pre-loading the cable barrels), but if you have a vice to hold the shifter pin body in, the job will be much easier for you.
Great work QV on the photos and the info above.
- David.
- QuangVuong
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby QuangVuong » Wed Jun 12, 2013 5:35 pm
Blog: https://villaveloframes.wordpress.com/
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- ldrcycles
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby ldrcycles » Wed Jun 12, 2013 6:52 pm
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Re: GUIDE: Repairing Shimano 105(5500) STI Levers
Postby DavidL » Wed Jun 19, 2013 12:52 pm
When I put them back together I used teflon grease to make sure that it didn't harden over time. However because these shifters are very tired which is mainly noticeable in that the springs in them don't have the kick they use to, they have a little trouble fighting the resistance of the grease which is causing shifting issues.
With use they are freeing up a little and I will give them a couple of weeks before I try to resolve this issue in the hope they free up and are fine. However, if I was doing this again I would probably be using some teflon chain lube on them rather than grease. This wouldn't be an issue if they where new springs (but then why would you be rebuilding them) I would expect.
Just something extra to consider if your attempting this yourself.
- David.
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