How To Service Fox DPS Damper Fluid + IFP Fill (With Needle)

hi where can i find tools who you use please

Where did you get a new puck

This wont work for me and im completly stumped why.. I have the same needle as you, and ive bought the o ring cord 90 shore to make my own pucks, I even made my own tool that allows me to put in the needle and tighten down on the retaining screw, but every damn time I fill it up and pull out the needle the air just comes back out immediatly.. Its not like it even leaks out slowly to where I could drank down on the puck harder with the hex bolt, it just empties inself as if the pucks arent even working, but they have to be working because I can pump it up to 400psi no problem.. I have a fox rp23 which needs 400psi in the chamber... Totally pissing me off now..

Hi great video thanks for the effort! Would it be possible to just put new oil in without removing the IFP? Would the depth be unchanged? so just remove pressure then pour out old oil and no cleaning or fiddling and pouring in new oil. reinstal and pressurize.

My dpx2 calls for 5wt but can you use 15wt oil in it?

Changing Seals is overengineered?

Thanks so much for doing this video

thx!

Thank you very much for this video!

Coool. Thanks man.

But what about the nitrogen?!!! Jk. Great video. Thx for sharing!

I replaced the plug with one of these, MOTORCRAFT CM-3461. It screws right in the shock where the plug goes and then you can air it up like a tire. I used my old crane creek air shock pump similar to what your using because most tire air compressors only get you up to maybe 120psi which would be better then nothing if that’s all you have. Now I can just push the valve in and let the air out and fill back up easily if needed. Last time I checked it about a year after I did this it was still had pressure in it.

Any opinion on using these good or bad?

I really appreciate that you went to the effort of creating this video to share your knowledge.
Thank you 👍

Nice video. Quick question, can you reuse the puck a few times? And does the puck/pellet stop air coming out after you inflate it and just before you tighten with the allen key?

Hello Jack, when i finally found your video it was the best explanation out there and understood imediately what i have to do and i just disassembled my old Fox triad shock ( which no service guy wants to service it :( ..) i have put it back toghether, despite i couldn`t sort it how to remove the shock inner thin tube through which the setting rod from blue lever comes in...but i cleaned everything and mounted back. I don`t find a 5 mm o ring...i was thinking to use a seal from a syringe...is quite like the silicone o ring...what do you think? cheers

Hi! Is this a 100 hour service? And in what case is the shock absorber head disassembled with special fox tools? Thanks

Hello!How old that oil was before replace? It seems to be fine? I have done around 400 hrs now without full service and it is still working perfectly well

How do you get the needle to seal in the fill tool? Mine seems to start leaking after only about 50 to 100 psi.

Thanks for the thorough video and follow up. One question about the set screw...did yours already have a hole drilled in it? Mine does not, so I guess I need to do that part. Any issues with losing pressure now that its been a while? I'm not convinced the set screw and puck will hold all that PS if they have holes in them. Cheers!

hello, disassembling my 2008 fox rpl I made a mess, I disassembled the cap because I ruined it, unscrewing the piston all the reeds came out, and I don't know how to position them correctly, could you help me? if you have the email I will send you everything. Thank you so much

Hi friend, I want to ask you to build the drilled key how to do it, I can not drill it slips, my fox rpl 165x38mm the piston ifp to how many mm do I have to lower it? thanks immensely👍

Jack et al, when I slide the chopped down soccer ball inflator needle down the channel that I cut into the 4mm Allen wrench, where does the needle go exactly? Is it just the air pressure created that drives thru the hole in the set screw and past the rubber pellet? Or do you advance the needle into the hole in the set screw? If so, how narrow does the needle need to be? Like a 22g needle for medical stuff? Would a tiny O ring work to create the necessary pressure?

I would pay you to do this for me. Seriously...

You guys don't stress it enough: placing IFP properly deep is absolutely critical!!! IFP has a cavity at the center and it is easy to overlook that the distance fox gives goes from the edge to the edge. For the first time I installed mine too shallow (measured from the edge to the bottom) and the consequences were absolutely dire - damaged seal inside the main shaft, possibly due to the piston violently colliding with IFP. Had to do a complete rebuild to repair it, which requires a few unique tools. Second thing: the rubber pellet. I tested some random oring rope as replacement and it initially worked ok, but eventually pressure cut clean hole in that rubber. You really need this rubber to be 90 Shore, as producer says. Anyway, the original pellet can survive more than one pumping, mine went through like 3 so far and it still holds pressure. Cheers to all home-grown servicemen :)

I have a rp23 shock and planning on doing this service, just waiting on the needle and oil to arrive. Is 500 psi a specific amount that it tells you to use? I thought they originally were filled with nitrogen?
Great video BTW 👍

Yes mine is 55mil stroke 150 travel

Is that the same as the nude trunnion

Thanks for the video. If I could ask a question tries not to sound stupid I'm assuming it's the bearing that you use the needle to get past and that it's the bearing that holds the pressure and the plastic pellet is purely to prevent dirt ingress?
Thanks

Great video! Not much good information on the web on this topic, so I was really excited to come across your video. Now, I feel confident to tackle this project. Thanks for posting this.