Xantia 1.9TD LHM rubber return hose

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Keith J
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Xantia 1.9TD LHM rubber return hose

Post by Keith J »

Hi everyone,

I'm new here. I hope that someone can help. I need a new rubber LHM return hose that goes from the pump up to the LHM tank. Can anyone give me an idea of cost? I will fit it myself. I assume that it's a specialist Citroen part and my local factors won't stock it. I find out today that it's perished and split, so also, can anyone recommend a good cleaning agent to remove LHM from a concrete drive way.

Thanks in advance

Keith
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Post by deian »

Karacher Pressure Washer and some drive cleaner removed LHM from the drive for me.
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Post by Richard Gallagher »

I hope you're feeling relaxed, the hose you refer to is more than likely the supply one to the pump which I looked at renewing on a Xantia I owned a couple of years ago. Cost new from a dealer.............£150 :(

I kid you not, I even wrote to Citroen UK to confirm the price who said it was correct!

Bear in mind that LHM is strange stuff which requires a particular type of rubber, so be careful of using say coolant hose. If possible I'd look to either source a replacement from a scrappy or you could try www.pleiades.uk.com who are well known Citroen hydraulic specialists.
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deian
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Post by deian »

WHAT THE F**K.... £150!?!! for a 'special' type of rubber hose, you are kidding us! Are you sure you're not joking?
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Post by jeremy »

Where is it leaking? - if its an end is there enough to cut off the existing end and make a new one? - if its in the middle Halfords and other factors sell hose joiners and you may be able to use one of them and a couple of jubilee clips.
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Post by AndersDK »

deian wrote:WHAT THE F**K.... £150!?!! for a 'special' type of rubber hose, you are kidding us! Are you sure you're not joking?
From Citroen PR-net :
5270.55 HIGH PRESSURE PUMP SUCTION TUB 1636,15
Price in Dkr. Divide by 11 and you get your local £££'s price (ex vat !)
Note there is a selection of different hoses according to models and equipment fitted.

Yes its true. The price is horrible for this hose.
The hose spec :
Rubber to withstand mineral oil types (like engine oil). Hose must not collapse from suction of the pump, must be mechanical flexible and yet rigid against strain, vibration and a wide temperature range.
You can in fact use clear industrial grade PVC hosing adequate wall thickness and diameter. But try find it !

My usual advice using garden hosing is only for short term emergency repair. If left for longish you will now why it cant be used longterm as it will collapse.
Last edited by AndersDK on 23 Apr 2006, 21:09, edited 1 time in total.
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Post by Mandrake »

I'm just going through the process of replacing mine now - it split at the pump end and the "rubber" has gone hard and brittle, and keeps cracking.

Unfortunately it is a different diameter at both ends of the pipe (!!) and at the tank end it follows a number of tight pre-formed bends...

I will be replacing it with standard hydraulic hose which is available from local industrial suppliers for about $40. (15 pounds)

I have a length with a 10mm hole that fits the pump end very nicely indeed, and is able to follow all the bends back to near the tank end, however the fitting on the tank requires a 13mm hole, so I'll have to make up a copper tube adaptor between 10mm and 13mm and use a section of 13mm hole pipe for the final run.

I'll also have to bypass a couple of the twisty bends next to the tank, but I think the result will be better than paying 150 pounds for a hose that is prone to going hard and brittle !!

Will post photos when I get it done...

Regards,
Simon
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Post by deian »

clear pipes all over would be so good, maybe i will do this, my uncle works at a hydraulic supply company.. blackwell hydraulics... i'll see if he can get me something suitable.
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Post by Keith J »

Jesus Christ. If £150 is correct, then I will definitely make other arrangements. The pipe in question runs down from the LHM tank and pushes on to the union on the hydraulic pump. It is held on with a jubilee clip. It split at one end (pump end). I tried to cut the split off but it has split again. So I may have to salvage some of it if possible and put a joiner in the middle somewhere, otherwise I will try the standard hydraulic hose trick like Mandrake. Does anyone know the correct term for this hose so I can try to track it down online?
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Post by AndersDK »

Keith J wrote:Jesus Christ. If £150 is correct, then I will definitely make other arrangements. The pipe in question runs down from the LHM tank and pushes on to the union on the hydraulic pump. It is held on with a jubilee clip. It split at one end (pump end). I tried to cut the split off but it has split again. So I may have to salvage some of it if possible and put a joiner in the middle somewhere, otherwise I will try the standard hydraulic hose trick like Mandrake. Does anyone know the correct term for this hose so I can try to track it down online?
You did not read my post then ?

It IS the genuine Citroen part no & official spare parts price :shock:
I copied the text from Citroen on-line spare parts list :?
And it is available as genuine part from Citroen only :roll:
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Post by Mandrake »

Keith J wrote:Jesus Christ. If £150 is correct, then I will definitely make other arrangements. The pipe in question runs down from the LHM tank and pushes on to the union on the hydraulic pump. It is held on with a jubilee clip. It split at one end (pump end). I tried to cut the split off but it has split again.
Yep, been there done that :roll:

It goes brittle, and easily cracks/tears if you bend it. If you cut it only a little bit shorter you will end up in a section where it has a preformed bend - and you will not be able to push it onto the tube on the pump without bending it and splitting the pipe again.

For a temporary repair you have to cut it right back to a point where the pipe is straight, and gain the extra length needed by taking a big shortcut across the front of the motor. EG don't route the hose right around the bottom below the oil filter - cut across higher up bypassing some of the support clips and you'll easily gain 6 inches or more.

Also grease the tube on the pump and the end of the hose and make sure you push it squarely and you can probably make a temporary repair.

Failing that you can use a piece of standard garden hose with 12mm inside diameter for a *temporary* get you going repair... although it is difficult to seal at the pump end due to difference in size - you need to clamp on the bump at the end to do so.
So I may have to salvage some of it if possible and put a joiner in the middle somewhere, otherwise I will try the standard hydraulic hose trick like Mandrake. Does anyone know the correct term for this hose so I can try to track it down online?
I don't have it in front of me but I can probably post a picture of the hose I used in a day or two. The hose I got meets all of Anders requirements - its LHM/mineral oil safe, it's high temperature rated, it's relatively flexible (more so than the original) but also has reinforcement webbing inside the walls to prevent it collapsing under tight bends or suction. It's also rated to 300 psi.

If anything its better quality hose than the original, and perfect for the job apart from the issue of trying to convert the size at the tank end. Why oh why did they make the diameter different at both ends.... :evil: if it wasn't for that it would be a straight forward job and I would have finished it already instead of messing around having to get a second size of pipe and make an adaptor...

By the way if you can I would recommend replacing the entire length of pipe - the whole reason I started messing with mine is because I have an air leak problem, and thats when I discovered that the hose was so brittle that it split at the pump end as soon as I touched it.

If anything the most likely place for an air leak is at the tank end, so keeping any part of the hose is probably unwise IMO...

Regards,
Simon
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Post by Keith J »

Thanks everyone for the replies. How the hell do Citroen justify such an expense for this hose? This is my first Citroen and although the car is good when everything is okay, I will soon go back to Fords if this kind of rip off pricing for spares continues.
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Post by mezuk04 »

If the garden hose is a temporary fix as Anders suggests (temporary mind) then I would go along with that and get yourself down to the scrappers and find as many replacement ones as you can.
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Post by Mandrake »

The problem with that is that a second hand replacment hose is likely to be old and brittle as well, and will most likely split when removing it, or trying to fit it onto the car.... :?

Regards,
Simon
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Post by Peter.N. »

....Or, you could make it up from 15mm copper and just use rubber for the bendy bits.
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