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Revalving 964rs shocks

M

MichM3

New member
Guys,

I have an appointment early May at a Bilstein service point in Belgium in order to have the shocks reconditioned (revalved). After 65.000 miles I guess it's about time... the car was feelin' a bit soft last time I tracked it.

Do you have any recomendations/info for me? Is it possible to have these shocks revalved to stock specs? I'd like to keep supension 100% stock.
 
just had my rs through nct ,same as mot except alot harder to pass,they check everything

my shocks had zero imbalance on fronts and 4% on rear,tester commented car was like new, i suspected my shocks would need doing soon..not the case

would be intrested to know how you get on as im sure i will want to do the same at some stage as want mine oe also...sorry im not any help
 
Much cheaper to get them recon'd I believe. I know Chris at CoG has had this done. I figure mine will need doing at some point too.......
 
Bilstein will recondition dampers to original spec (or different if required) at a cost significantly less than new - why buy new casings and piston rods if they're not needed.
Only problem I had was how long it took them! This was in the uk, may be different in Belgium.

Tony

 
My brother's neighbour in Dortmund is called Frank. He works at Thyssenkrupp Bilstein. He builds shock absorbers for a living. I think I'm going to have a word with Frank next time I over there... [:D]
 
So far I can tell you the following:

"if it's Bilstein that you have on the car, we can recondition it... what's the car?" I answered 964rs but he didn't respond on the car-type.

"it will be about 100 eur excl vat per shock... on the condition we don't need to replace any other damaged parts".

"your shocks are planned for first week of May... reckon about 5 workin' days"

;)
 
This is all very strange. I have had this conversation before ! When i contacted Bilstein they told me the front shocks were not suitable to be refurbished due to the twin tube design(i.e. not possible to rebuild them), the rears however are as they are single tube. Was i given the wrong advice. I will see if i have the old email and i will post it up if i do.
 
Melv , are you on RS suspension or Cup suspension. Early Cups had single tube design shocks similar to Bilstein HD's . Not sure what later cups had. The single tube shocks have a very large piston rod(aids strength and stiffness) and look a little like a shock mounted upside down . Actually look like the shocks Ian Highfield has (see pics in his thread)
For reference RS front shocks are green in colour.
 
Laurence I am with you Cups yes but RS no was what was discussed a few years ago. Euro car parts had RS shocks at one stage so it was easier to buy new.
 
I had the technical guy on the phone today and he was convinced he could recondition them... new oil, new gas, all seels and rings replaced... if I want it 100% to stock characteristics then he can. Do I want it to become firmer or softer, then he can adapt it too. Guy seemed very confident and seemed to know his stuff.

Will post the result somewhere in May when he actually starts the work ;)
 
guys,

today I went over to the shop in order to dispose the shocks... and you guys were right... rears are possible to recondition, fronts not due to twin-tube design. They will test the fronts on a bench.

What do you suggest? I will wait for the result of the bench-test of course, but he only can check if they're still "ok"... not how far they are already gone.

Some say the fronts are still available new... any more info on this?
 
Last time i looked bilstein ( a few years ago now) still listed them and i guess they would be available from Porsche. If they check out ok keep em and use em.
 
someone with a cup will be more specific but basically cups use single tube design shocks all round . The fronts are similar design to a Bilstein HD type shock, with an upside down look caused by the large diameter piston rod (which aids rigidity and strength). The advantage is they are very robust and can be rebuilt/revalved to suit.Top mounts were different to RS I think from memory the monoball used is a more conventional design. Cup had linear springs rather than progressive and were stiffer than RS, though I think springs were probably varied depending on track . Later cups were based on RS but i don't know if that mean't they came with RS suspension or not.
 
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