joker2cv

I refurbished the rear koni yellow shoks from a koni service.
Now if I compress the shoks they don't extend alone but remain compressed: is it normal?
I remenber that i made the same test before the refurbishing and they extend...

FHM

What kind of refurbishing was done? Who did it?

refresh951

If they are Koni Sports they are one way adjustable, rebound adjustable. What setting are they on? They should rebound. Try adjusting them.

Humboldtgrin

SoIndia like a bad shock to me.

lart951

I have heard this before sometimes the factory doesn't rebuilt the konis with gas but they do hydraulic rebuilt, there is a thread of someone that had the same experience with true choice here in socal

joker2cv

Hi Lart, do you think that i can put them in the car or not before asking Who rebuilt?

lart951

Here is the thread

https://rennlist.com/forums/944-turb...hock-help.html

Auto_Werks 3.6

If you send shocks to Koni in Ohio for a rebuild, they will come back without the gas charge. That's just the way it's done. This means they will not extend by themselves after being compressed. It's no real consequence for driving... it MIGHT make some more "chuff" noise over big inputs. Totally normal

joker2cv

Thank you very much

V2Rocket

The non-gas shocks rely on the spring to rebound to fully extended.

Jason @ Paragon Products

I'll have to respectfully disagree with this statement. Koni USA, in Hebron KY can rebuild gas shocks and add the gas charge. There may be certain part numbers that won't allow a gas charge. Some customers, for whatever reason, will request that their shocks are rebuilt without a gas charge. Certainly there is nothing wrong with a good hydraulic shock. Of course you always have the option of installing new, shiny, on sale, factory gassed units from us ;-).

gruhsy

So question????? Is it cheaper to rebuild rather than just buy new? I have two sets of Koni's that could use a rebuild. One M474 and one insert set. Sorry not meaning to hijack but.....to rebuild or buy new???????????

Jason @ Paragon Products

Kind of apples to oranges on the M474 front struts. What we offer now is the 8641-1414 Sport inserts for the Sachs or Koni sealed struts:

http://www.paragon-products.com/Koni...-1414sport.htm

If you send those struts to Koni or a certified Koni rebuilder they will disassemble and rebuild what you have rather than using the 8641-1414 Sport insert. While this service will cost more you do have some additional options on the table such as changing the valving or even converting to double adjustable.

The inserts may or may not be a part number the Koni will rebuild. I think the $ difference between buying new may not make it economically attractive.