There is an LHM leak between the reservoir block and the reservoir. I changed the seal to a new one but it steal leaks. A year ago or so I replaced the reservoir block with a new one ( found a cheap deal on eBay ) and I think since then the leak becomes worse. The block came with a new seal but it leaked. So I bought a new seal and it still leaks. What can be done to stop the leak ?
Thanks
Zohar
Xantia 2.0 16V Automatic make year 2000 LHD
Citroen C4 THP Automatic make year 2009 LHD
Citroen C4 VTS 2.0 16V make year 2006 LHD
To solve that problem, I cleaned and degreased the top of the tank and the bottom of the reservoir, and then reassembled with a thin smear of black silicone sealant (I think I used Loctite 5910, anything would probably do).
That's an interesting one. The LHM level in the tank is generally low enough that the seal there is more to keep dust and grime out of the tank than the LHM in.
Are you sure that the leak isn't coming from one of the return hoses and simply pooling on the top of the tank? Certain that I recall hearing at least one incident of the plastic barb onto which the hoses fit cracking and causing a leak.
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Zelandeth wrote:That's an interesting one. The LHM level in the tank is generally low enough that the seal there is more to keep dust and grime out of the tank than the LHM in.
Are you sure that the leak isn't coming from one of the return hoses and simply pooling on the top of the tank? Certain that I recall hearing at least one incident of the plastic barb onto which the hoses fit cracking and causing a leak.
This happened to me, i hadn't quite nipped the clamp up and it leaked all over the top.
Stu
Cars
1995 Xantia 1.9TD SX in (faded) Red
2003 Fiesta 1.4 Zetec in GREEEEEEEN 2001 206 1.9 LX
2001 Saxo VTR
1999 Saxo 1.1 East coast
1999 Punto
1996 306 1.8 XN Auto
1996 Fiesta 1.3
Zelandeth wrote:That's an interesting one. The LHM level in the tank is generally low enough that the seal there is more to keep dust and grime out of the tank than the LHM in.
It depends how much enthusiasm you put into your driving
I think this problem is a combination of two things:
1. Over time, the top of the reservoir gets permanently distorted downwards under the pressure of the spring clip.
2. If the LHM is correctly topped up to the mark when the spheres (and the Nitrogen in them) are cold, if the level is checked again when the spheres are hot (rise in ambient temperature coupled with doing enough miles to get the hydraulic system thoroughly warmed), then the reservoir will be over-filled.
For some years now, I have avoided topping-up over half-way between the marks and I no longer get any leakage from the top seal.
2012 Subaru Forester - capable but no magic carpet
2011 Grand C4 Picasso VTR+ 1.6HDi - not missed!
1995 Xantia Estate SX 1.9TD in Vert Vega "The Green Lady" - sadly missed
1998 Xantia 2.1 VXD Estate in Mauritius Blue - R.I.P. (terminal tin-worm)
