Xantia Hard Ride But Good Spheres

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andyturner
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Xantia Hard Ride But Good Spheres

Postby andyturner » Fri Jul 13, 2001 8:49 pm

I have a 95 Xantia TD. For the past 8 months or so the ride is often hard for a few days and then goes back to being perfect. All spheres are new except for anti sink. I assume the height correctors are working because it rises to correct height and passes the sit on the boot/bonnet test. I normally do all my own work but I have been so frustrated that I have taken the car to an independant Citroen hydraulic specialist and even to a main dealer (shame on me)neither had a clue. I have come across a guy from Costa Rica who has exactly the same problem. If there are any Citroen suspension experts out there who know what is causing the problem, I would like to hear from you. Also does anyone know where I can get a hydrauilic circit diagram from for a 95 TD SX Hatch. Also how do I stop front brakes from sqeeking. I have changed the pads twice with no improvement. The latest pads have a cushion strip between pad and piston that does same job as Copperslip but it does not stop the squeeking.
apt
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JohnD
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Postby JohnD » Sun Jul 15, 2001 9:44 pm

Hi Andy - When did you last change the LHM? I would suggest putting in some hydraflush and leaving it for a while and then replacing it with fresh hydraulic fluid. - Cheers!
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andyturner
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Postby andyturner » Mon Jul 16, 2001 8:56 pm

I have had Hydraflush in for 700 miles then I replaced it with new LHM.
apt
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andrewtodd
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Postby andrewtodd » Fri Jul 20, 2001 8:57 pm

Perhaps the anti-sink valve is faulty/worn?
If it were then it may be restricting LHM flow whenthe car moves 'down' thus making the ride hard.
Best wishes
Andrew
1973 DS23 IE Pallas
1990 BX TZD Turbo
1989 AX11 TGE
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joe k
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Postby joe k » Sat Aug 18, 2001 2:12 am

please explain the symptoms of a faulty Anti- Sink sphere.
I thought mine was gone when the rear was slow to "wake up" each morning. Yes, I would drive off for ~3 minutes with the rear on the floor but having had the accumulator and LHM changed, the rear now behaves and the car does not sink;- (at least over two days)
The new Accumulator de stressed the HP pump and ever so slightly softened the front suspension. However, I wonder if changing the Anti-sink (non-hydractive) sphere would comfy the rear suspension.
Slán and safe driving
Joe
<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote>
Perhaps the anti-sink valve is faulty/worn?
If it were then it may be restricting LHM flow whenthe car moves 'down' thus making the ride hard.
Best wishes
Andrew
1973 DS23 IE Pallas
1990 BX TZD Turbo
1989 AX11 TGE
<hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote>
95 1.9TD no air con
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alan s
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Postby alan s » Sat Aug 18, 2001 3:32 am

The guy from Chile you spoke about is Sebastian Fernandez who has a BX. I have been one of many working with him on his problem and we feel we are getting close to a solution. By accident he split a return line the other day & apparently the pressure in this line was so great that it emptied his LHM tank in seconds so obviously we have to determine where this excessive pressure is coming from.
Seb's problems started through a series of circumstances & I feel I should quickly outline them as his is an exceptional case.
Through inexperience when he changed his LHM he did not wash the tank out; he then started the car with the 12mm bleed screw left open for a while; after a while the car went as he describes as "harsh." Some time later, he again emptied the tank this time also washed it, & when the white plastic disc was removed from the tank found what he referred to as gravel in there (I presume this was grit/sandy stuff.) As they don't have hydraflush in Chile, a mechanic tried to flush the system with a brew of LHM & petrol & again emptied the tank. The height corrector was removed & found to be clogged with dirt. It was removed & cleaned a couple of times. We also discovered that the supply line had a loose fitting at the tank & was tending to suck air.
He is presently awaiting a can of hydraflush which should arrive this week at which point he will drive around for around 5,000 klms with it in his suspension (that is the recommended period 3500 - 5000) & then we will see what has happened. In between times we will try to ascertain if something else is also haywire causing this higher than normal return pressure.
I have outlined the history in case yours has suffered any similar fates along the way.
I'll post when we get it sorted as this one has stumped everyone world wide.
Alan S
Edited by - alans on 17 Aug 2001 22:36:37
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Steve Harvey
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Postby Steve Harvey » Mon Aug 20, 2001 1:24 pm

Hi Alan,
High return pressure on the BX is probably caused by a faulty suspension leg seal allowing pressure blow by.
Good luck
Steve Harvey
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