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Looking at doing an air can service on my Rockshox Vivid Air shock. Does anybody know if I need to release the pressure from the IFP reserviour before removing the air can? Obviously will release the pressure from the aircan before removal.
I'm not familiar with this shock, but in general with any air shock, no. IFP and air spring are separate.
The service manual will be here:
https://www.sram.com/service/rockshox/all
p.s. a quick scan of the manual does suggest emptying the IFP chamber first, but that's with a view to a full service inc damper.
HI - U don't need to touch IFP for air can service. As mentioned above the RS guide is a bit mis-leading.
I had a good read up on the vivid air before trying an air-can service on it.
I was happy that only the pressure in the air-can had to be released, nothing else...
BUT... be aware that there is some specific tooling required even to get the air can off. I tried without it, and failed.
Just releasing the pressure in the air can is sufficient to remove the air can but the main air can seal is still trapped on the main damper body so you can't get any suspension greaseon it without going deeper into servicing the shock.
If you are intending to add/remove volume reducing bands... top tip is to:
1. fully loosen the main air can seal
2. loosen then rethread the pin spannered ring at the shock eye
3. reattach a shock pump
After a few pumps the inner sleeve will pop. This safely removes the inner sleeve and doesn't mangle the locator ring.
Second top tip is: "don't use volume spacers". I've had infinitely more luck with the shock at full volume (216 x 63.5).