Record 10 Levers: Time for a rebuild?

I have been using the same Campy Record 10 levers since 2004. All told there are probably 15-16k miles on these, and the area I live in has a lot of rolling terrain so there is a lot of shifting (mostly from the 14-19t cogs). They levers have always performed flawlessly, although last year I noticed the throws on the right shifter lever were becoming longer. Regardless of the longer throws the indexing was dead on. Now, not so much. The shifting is becoming progressively worse, and to downshift 1 cog, it basically requires 2 downshifts and one upshift and it's still noisy. It started to become noticeable two weeks ago and despite my best efforts to tune/clean the bike, it is basically unrideable. I have looked into other factors (chain stretch, cassette wear, chainline, limit screws, etc) but honestly everything else seems to be fine.

Does it sound like I need to rebuild my right lever? I like to do all my own work, and would appreciate any advice some of the more knowledgeable campy guys (read: Peter) can provide with respect to parts and the best way to tackle this. I'm a firm believer that it is good to do your own work (plus I find it relaxing), but have a couple local shops that I can use if the task becomes too difficult.

Thank you all in advance for your help.

Yes, shift springs(2 of them) and perhaps a srping carrier(old metal one either has the post break off or it splits). Replace with the fiber 'Ultra' one.

Not hard to do. I recommend taking it apart front to back. Clean all, grease, reassemble. The only 'gotcha' is getting the big flat spring on the back installed. A decent LBS that 'qui si parla' can do this for you. If they can't, send to me for a one day turnaround.

certainly time for a rebuild, but that's the beauty of campy equipment....you CAN rebuild it.

if you want to do it yourself, follow the advice of peter and get the springs and index gear before you start. take your time, don't bend the springs. if you don't want to tackle it, send it to a service center like qbp (through your favorite bike store) and it'll be done perfectly and fast. you'll have a set of levers that function like new.

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Had my 2006 Centaurs rebuilt this spring, I mean had springs replaced at the start of this year ... you get the idea. That's why Campag rules.

Except, doesn't need the index gear(shift disc). Rebuilding these for 17-18 years and I have never seen a shift disc wear out. VERY hard steel.

As for using QBP do this Via a LBS...yikes!! The LBS should do it. NOT hard!! What the hell are bike shops for??

Ok, I did the rebuild. Overall it wasn't too bad, as long as you have the video or the blueprints handy. The shifting/indexing is better, however when I shift from the 5th to the 6th cog, I am getting an extra click in there (it's a very light, non-metallic sounding click). I suspect this may be the reult of the coil spring not being tight enough, and I will pull it apart tonight, but before I do, would it make sense to replace that spring as well? I estimate these levers have about 10k miles on them. Does the coil spring wear out in this time frame?

No the flat coil spring doesn't wear out. Wind it after spring after shifting the shifter to the lowest gear, then install the spring since that's when it's unwound the most.