Lhm leak

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newxmman
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Re: Lhm leak

Post by newxmman » Mon Feb 21, 2022 7:13 pm

Hi all. The metal unions on the base of the fdv were loose so tightened them and cleaned it. The bolt on the regulator at the base has a leaky o ring and does move when it moves up and down so that will need to be replaced but it’s not terrible. The bolt is tight. Thanks gents. All return pipes seem to be tight.

Dieselman
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Re: Lhm leak

Post by Dieselman » Tue Feb 22, 2022 7:31 am

The base of the regulator shouldn't be able to move, it sounds like the bolt has a washer missing.
You will find the O ring probably seals once the base isn't moving.
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newxmman
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Re: Lhm leak

Post by newxmman » Sat Feb 26, 2022 5:45 pm

Thanks, you mean the washer on the outside of the bottom plate/bracket as it were? In other words under the bolt head outside the plate? Meanwhile, the Speedo cable where it goes into the gear oil, where the long rubber ‘nail’ goes into. I think the O-ring inside is naff, where can I get a proper one?

newxmman
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Re: Lhm leak

Post by newxmman » Sat Feb 26, 2022 9:07 pm

Oh and where can I get an o ring for the accumulator?

Dieselman
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Re: Lhm leak

Post by Dieselman » Sun Feb 27, 2022 9:35 am

I do mean the washer for the outside of the mounting plate.

The speedo cable drive O ring is just a regular O ring, available from either a Stellantis dealer (PSA, GM Europe, Fiat)

P/n and descriptions:
2644 04 TACHOMETER CONTROL SEAL, 8 X 16 X7/15,6 -21
05 2645 12 GEAR-BOX RING-SEAL, DIAM 24-TO 3

Alternatively a bearings/seals supplier.. There are two on the cable, one on the coupling.

The accumulator seal is a regular sphere seal.

They are square seals, but round O rings will work Ok.

5272 15 SQUARE SEAL, 37,4X42X2,6
92 2.1SED M.RP5740 ECZ Sable Phenicien
92 3.0 V6-24.Rp 5713 EXY Black
92 2.1SD M.RP 5685 ENT Blue Sideral
Prev
90 2.1SD M.RP 5049 EJV Mandarin
92 2.1SD A.RP 5698 EJV Mandarin
94 2.1SD A.RP 6218 ERT Triton Green
91 2.0SI M.RP 5187 EWT White

newxmman
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Re: Lhm leak

Post by newxmman » Wed Mar 02, 2022 5:08 pm

Hi dieselman. I’m having trouble locating the o rings for the gear box/Speedo cable the suggestions you gave me are saying No and telling me to go direct to Citroen. Do you know of anywhere that has definitely got them in uk? I have located a sphere ring on eBay if that’s the right one?

newxmman
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Re: Lhm leak

Post by newxmman » Wed Mar 02, 2022 5:16 pm

https://www.ebay.co.uk/itm/234388573538 ... SwR8Jh7EDt

This is the seal, is it good for the accumulator?

citroenxm
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Re: Lhm leak

Post by citroenxm » Wed Mar 02, 2022 7:17 pm

Yes it is the correct sphere seal..
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Dieselman
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Re: Lhm leak

Post by Dieselman » Thu Mar 03, 2022 8:16 am

Remove the cable drive from the gearbox and pull the cable out of it and measure the O rings.
026512 here
https://www.ebay.co.uk/p/1309576637

Apologies, I gave you the wrong p/n for the 2 x cable O rings.

6988 06 O-RING, 13,6X2,7

So, it's:
2 off 13.6 x 2.7
1 off 24 x 3
92 2.1SED M.RP5740 ECZ Sable Phenicien
92 3.0 V6-24.Rp 5713 EXY Black
92 2.1SD M.RP 5685 ENT Blue Sideral
Prev
90 2.1SD M.RP 5049 EJV Mandarin
92 2.1SD A.RP 5698 EJV Mandarin
94 2.1SD A.RP 6218 ERT Triton Green
91 2.0SI M.RP 5187 EWT White

newxmman
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Re: Lhm leak

Post by newxmman » Thu Mar 03, 2022 8:10 pm

Thanks I’m working on it.

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