Leaky Rear End....

citroenxm · Post by **citroenxm** » 02 Jan 2012, 17:17

Hello fellow Hydractive anti sinker drivers...

My hdi Exclusive has developed a leak on the rear anti sink assembly...

Ive got a wet anti sink Valve, though the sphere itself all looks dry. Is there anything on the anti sink valve that can leak, or is it luck that a pipe seal has decided to let go... Ive checked the tightness of the unions, and they are all tight..

Am i looking at a replacment anti sink valve, or do I need to just replace the 5 pipe seals?

Thanks
Paul

Post by **CitroJim** » 02 Jan 2012, 17:39

Hi Paul, Gonna PM you in a moment or three about a trip up to your part of the world

Now, the rear AS valve is identical in construction to the front one which also can leak... It'll most likely be the same thing. The O ring under the round cover on the end...

Get that off (it might help to remove the valve first) and then replace the O ring. I think they're available from Pleiades...

citroenxm · Post by **citroenxm** » 02 Jan 2012, 17:48

Hmmmmm okay my weak side... need to find a VSX anti sink valve then... Ahhhh... ones been staring at me for years..

Thanks Jim.. Job to do then.. Im happy topping up, at least Ill have all new fluid in the system.. Its not desperate, it is a slow weep more then anything, but does need addressing...

Look forward to PM..

Paul

citronut · Post by **citronut** » 02 Jan 2012, 19:39

i belive one of the two diferent sized pump O rings will/does fit the anti sink valve,
but cant remember which size it was

regards malcolm

Dommo · Post by **Dommo** » 02 Jan 2012, 21:52

Were hydractive anti sink valves different? I've got one spare off a vsx I was going to fit toy Activa but spanked it before I fitted it

citroenxm · Post by **citroenxm** » 02 Jan 2012, 22:03

Hi dommo..

It appears there is a difference between sx anti sink valves and vsx hydractive anti sink valves.. And a certain way to fit them...

It seems if you fit an sx anti sink valve to a hydractive car it will cause rapid sinking. . A problem i had on a vsx xantia years ago and never fixed.. Bu ive just read an aritcle featuring an xm with the same problem and the owner discovered this above and fixed his xm....

Paul

Dommo · Post by **Dommo** » 02 Jan 2012, 22:57

Right. Sounds like my Activa had a non hydractive front AS valve then as it sunk like a good un.

Do you need a vsx one then?

citroenxm · Post by **citroenxm** » 02 Jan 2012, 23:20

Thanks dommo.. Jim has sorted me out this time...

thanks for yur offer...

Paul

Dommo · Post by **Dommo** » 02 Jan 2012, 23:48

No problem, I was too slow

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Leaky Rear End....

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