Progressive Hydraulic Cushions Retrofit?

Wheels, Tyres, Suspension, Chassis
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Pvanv
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Progressive Hydraulic Cushions Retrofit?

Post by Pvanv » Sun Jun 24, 2018 2:51 pm

So the new Cactus is now with us. Does anyone know if it could be possible to retrofit its suspension with Progressive Hydraulic Cushions to an original (now Old- ) model Cactus? Probably prohibitively expensive, but could it physically be done?
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gsa1300
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Re: Progressive Hydraulic Cushions Retrofit?

Post by gsa1300 » Sun Jun 24, 2018 7:07 pm

As I know -read somewhere- not only the shock absorbers are different. There are other elements which are differ in the new Cactus, but I do not know details.
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DavidP
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Re: Progressive Hydraulic Cushions Retrofit?

Post by DavidP » Sun Jun 24, 2018 7:13 pm

Interesting question! I think it is probably technically possible but I have had a look on service.citroen.com website and I came away head spinning! I think not only do you have to swap the shock absorbers but you would need to swap the springs as well. All fine and dandy except with the front springs those of us with older model Cacti have a choice of two for the front. With the post face lift there's a choice of 5!! Additionally, the rear cross members look physically similar but with face lift models there is a choice of two part numbers. Sorry to put of a bit of a damper on the project, but I think it could be problematical and expesnsive.

sandrick
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Re: Progressive Hydraulic Cushions Retrofit?

Post by sandrick » Tue Aug 21, 2018 5:36 pm

Citroen reworked the undercarriage to fit the cushions, so definitely not easy to be done.

stoian
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Re: Progressive Hydraulic Cushions Retrofit?

Post by stoian » Thu Jan 09, 2020 1:38 pm

Hey guys, resurrecting an old topic here, but... I have the opportunity to get the shock absorbers from a new Cactus 2019 at a very good price and I was wondering if you think replacing the ones currently in my 2017 Cactus with these from the facelift would 1) be possible and 2) improve the ride quality? From what I understand, these PHCs are inside the shock absorber, so maybe having the absorbers alone would be an improvement as well? That being said, it would most likely void any warranty and my Citroen dealer would not do it (haven't asked yet). I can still buy them and get them installed in the end of my warranty period.
Any input on this matter will be highly appreciated ;)

davew
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Re: Progressive Hydraulic Cushions Retrofit?

Post by davew » Thu Jan 09, 2020 5:37 pm

I suggest you read the variety of opinions about the new suspension here viewtopic.php?f=8&t=4318

stoian
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Re: Progressive Hydraulic Cushions Retrofit?

Post by stoian » Mon Jan 13, 2020 2:57 pm

davew wrote:
Thu Jan 09, 2020 5:37 pm
I suggest you read the variety of opinions about the new suspension here viewtopic.php?f=8&t=4318
Yeah I read this thread and watched quite a few reviews, but I also got some first hand experience - got to drive the 2019 model on two public test drive events. The PHC suspension feels great on our terrible roads and I'm not trying to go over speed bumps at 40 km/h. I'm just looking for a smoother ride in general, as close as it can get to the comfort mode of a large executive car.

Thor
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Re: Progressive Hydraulic Cushions Retrofit?

Post by Thor » Mon Feb 10, 2020 8:52 am

Very interesting thread. I have been thinking about doing the same swap for some time but gotten around to investigate it furter in terms of parts. PHC makes a huge difference on potholes and other uneven surfaces. Tested it today on a dealer MK2 Cactus with PHC, and 5min after did the potholes in my 2014 C4 Cactus Mk1 110THP. What a difference! In the did mk2 I could hardly feel the pothole, in my mk1 it went clonk! With a harsh impact.



I a pretty confident is is doable. It may require a full front strut / A-arm assembly like this found on ebay : https://www.ebay.co.uk/itm/2017-CITROEN ... 4025091631

Of cause from a Mk2 Cacatus with PHC (Citroën Progressive Hydraulic Cushions).

I will post what i find, if someone will not beat me to it.
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Thor
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Re: Progressive Hydraulic Cushions Retrofit?

Post by Thor » Mon Feb 10, 2020 10:11 am

Found this part no. for the 2019 MK2 front struts 9820948680 (Left) 9820948580 (Right) - Possible with PHC
Found online for around 100euros each.

Image



The old Mk1 seems to uses these: 9809713280 , 9810705280
9673329280 (wihout PHC)
Image

Unfortunately they look visually identical, so far.
C4 Cactus PureTech 110
Pearl White with Chocolate AirBumps
Grey interior
PDC + reverse camera
Thule Wingbar Edge
4H-TECH Short Shifter

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