Piston rod nut removal on rear shock

Harcourt0_0 · Jan 29, 2008

Stripping this 4681 rear shock, and the 22mm piston rod nut is proving very difficult to remove. There is no damage to the shaft threads. On top of the nut either side of the rod close to the threads is a small indent, it also looks like its had green loctite on it. So my question, is it safe to heat the nut as it so close to the piston etc.
Thanks for any help.

Magnusson · Jan 29, 2008

Hi there.
I think you have to grind that nut off.

You can try to heat it a bit, use that thing between your ears an take it careful.

Good luck to ya.

AUSBERG · Jan 29, 2008

Harcourt0_0 said:
Stripping this 4681 rear shock, and the 22mm piston rod nut is proving very difficult to remove. There is no damage to the shaft threads. On top of the nut either side of the rod close to the threads is a small indent, it also looks like its had green loctite on it. So my question, is it safe to heat the nut as it so close to the piston etc.
Thanks for any help.

Sounds like the same "crimp nut" as used on the 5018s.
Havent seen the need to grind one yet- they're not the cheapest parts around when KTM Australia are selling them.........dont seem to damage threads on removal and subsequent reuse

Magnusson's advice re heat is very valid- strip the o ring and the piston band from the piston first too as a precaution.
.

Taffy · Jan 30, 2008

RE: Re: Piston rod nut removal on rear shock

the problem is getting a good spanner on it as well. i have a chewed one that i ,ust address soon. i need the right 'stepped' spanner and the broshure says to heat it so i will!

regards

Taffy

Piston rod nut removal on rear shock

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