The answer to the rusty Xantia Jamb...

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citroenxm
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The answer to the rusty Xantia Jamb...

Post by citroenxm » 14 Dec 2012, 15:16

I have the last shell on the trailer to go.. so I decided today to remove the off side door jamb, as its in good order..

Image

Starting here.. anyway.. as I cut round I noticed a Foam behind the metal..

Image

Yes that IS a form of expanding foam UP in the arch space to help deaden noise! How canny!

As you can see...

Image

The part itself is in good order, has a slight bit of surface rust, but will clean up well...

Anyway, a little further back where the end is curved around the leading edge of the wheel arch, the two parts are doubled layers.. upon removing the end of the "Jamb", I discovered a GAP in the rear face...

Image

Firstly, the square hole is the Citroen produced hole, NOT one I have made.. you can see theres a layer of seal that comes so far down then stops... below this where the two faces meet, theres a gap! This IS where the water gets through...

Removing a wheel, and peering behind the arch edge would reveal this behind any crap that may be sitting there..

Looking at the removed part, plus the "Foam" on the car you can then see where the water seeps across and sits..

Image

Image

So there we have it! The water gets in from behind the wheel arch leading edge!

Happy sealing and repairing!
Last edited by CitroJim on 14 Dec 2012, 17:02, edited 1 time in total.
Reason: Made it a sticky... Jim
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1991 XM 3.0 24v Manual (x2)
1994 XM 2.1 d auto (undecided what to do now)

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Re: The answer to the rusty Xantia Jamb...

Post by CitroJim » 14 Dec 2012, 16:16

Paul, an excellent piece of detective work =D>

Now we can set about preventing it :-D
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citroenxm
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Re: The answer to the rusty Xantia Jamb...

Post by citroenxm » 14 Dec 2012, 16:56

Can we or you, stick it up top??

Chris should prehaps do a Citronian article on it???

Chris?? Feel free!
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1991 XM 3.0 24v Manual (x2)
1994 XM 2.1 d auto (undecided what to do now)

1994 Xantia TD SX Project
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Re: The answer to the rusty Xantia Jamb...

Post by CitroJim » 14 Dec 2012, 16:59

Good idea o wise one. on both counts..

I shall 'sticky' it and Chris, over to you!
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Re: The answer to the rusty Xantia Jamb...

Post by Diabolical » 14 Dec 2012, 18:16

Great stuff mines already gone on O/S so I know what to do now for N/S.
I feel I've done a good repair O/S as I go to it before rust had really set in, I chopped most out and replaced but no foam in there as in Pauls.
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citroenxm
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Re: The answer to the rusty Xantia Jamb...

Post by citroenxm » 14 Dec 2012, 18:23

I just need to add.. the foam appears to be early cars only! my 1997 P reg V6 has no foam, nor has series two cars got foam in them either..

I think it could be a sunroof only thing..
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1991 XM 3.0 24v Manual (x2)
1994 XM 2.1 d auto (undecided what to do now)

1994 Xantia TD SX Project
s**t thats scarey... two XMs left...

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Re: The answer to the rusty Xantia Jamb...

Post by modxl » 14 Dec 2012, 18:59

thanks for this,explains a lot,got to do my os and ns before long lucky got a spare donar car here to cut out arch repair panels
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Post by addo » 15 Dec 2012, 09:39

Paul, I strongly suggest next time cutting a much greater patch section. It'll enable you to reuse the original seam at base, and blend well away from the water ingress.
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citroenxm
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L 94 XM 2.1 TD auto
51 C5 LX HDi 2.0 auto
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Re: The answer to the rusty Xantia Jamb...

Post by citroenxm » 15 Dec 2012, 09:46

Im not planning a next time Adam.. this is the last good shell i got. ive a series two to go next year some time but that one is already bad in this area...
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1991 XM 3.0 24v Manual (x2)
1994 XM 2.1 d auto (undecided what to do now)

1994 Xantia TD SX Project
s**t thats scarey... two XMs left...

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Re: The answer to the rusty Xantia Jamb...

Post by Citroenmad » 15 Dec 2012, 12:14

That is very good information and key if we are to protect our Xantias in this area.

CitroJim wrote: ... and Chris, over to you!


Of course, that's a very good idea. For the February Citroenian I think :)

Paul, I'll be in touch via pm later (just off to take a look at the front brakes on our eldest C5) to ask a question or two :)
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Re: The answer to the rusty Xantia Jamb...

Post by bigblackfalco » 17 Dec 2012, 21:28

Bit late for mine mate .... there's nothing left but lots of holes now :(
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Re: The answer to the rusty Xantia Jamb...

Post by jk19TD » 13 Jan 2013, 11:07

So is this foam encouraging paint bubble formation in the longer term?
When I open these bubbles, initially there is no rust underneath, just bare metal with a slight discoloration.

The only location where rust does appear, at least on my Xantia Break (see below), is at the panel edge on top of the sill, inside the door.
In my opinion this particular rust is caused by spray water and road salt (remember this edge is outside the rubber door seal).

The above applies to the LH side of my car.
In Holland this side is the offside because we of course drive on the RH side of the road.
It would be interesting to see whether this handing has an effect on the side of the car the corrosion occurs on first.
Most Xantias Break on the Continent appear to develop rear wing "corrosion" on the LH side first.

(Note: I successfully treated stone chip rust spots on my car with rust converter Fertan which should be applied on a moist surface and proves to last for well over a year without a top coat, as various panels on my car show).

For comparison, a few links to postings about the subject of rust bubble formation and its results, from other countries in Europe:

http://forum.andre-citroen-club.de/show ... rlich-quot

http://forum.andre-citroen-club.de/show ... ostproblem

http://forum.andre-citroen-club.de/show ... DER-Appell!

http://www.rostschutz-forum.de/

http://s125.photobucket.com/albums/p58/ ... stx202.jpg
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Re: The answer to the rusty Xantia Jamb...

Post by modxl » 24 Feb 2013, 19:46

well done one of my door jambs today,what a job loads of rot under neath cut all out replaced with new steel then sprayed with weld thru primer think im gonna inject with wax oil at some point,this is the interesting bit,cut old jamb out of spares car went to line it up and wheel arch profile was different,now weather this is because estate arch is different to hacth i dont now but looks like ive had a new rear qauter at some point as no sealer between inner and outer wheel arch a lot of cutting and grafting in and managed to make it fit just needs a thin skim other and prime then ready for top coat when weather warms a bit.Just somthink to watch out for if anyone fitting a hatch jam to an estate
steve
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citroenxm
Posts: 8009
Joined: 31 Dec 2004, 00:10
Location: I WISH I KNEW!!!!. Somewhere in North Wales, Anglesey
My Cars: 93 L Xantia TD SX anti sink
H 91 XM V6 24v PRV Manual
K 93 XM V6 12v SEi auto LPG

55 C5 1.6 HDi VTR
L 94 XM 2.1 TD auto
51 C5 LX HDi 2.0 auto
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Re: The answer to the rusty Xantia Jamb...

Post by citroenxm » 24 Feb 2013, 19:54

Modxl, Most likely, Citroen didn't make the estates, they were farmed out to Helieuz Coach builders, which is possibly why they rust more in gerneral then Hatch's..

That square "Gap" I found is the real thing that needs closing up...
0x
1991 XM 3.0 24v Manual (x2)
1994 XM 2.1 d auto (undecided what to do now)

1994 Xantia TD SX Project
s**t thats scarey... two XMs left...

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Re: The answer to the rusty Xantia Jamb...

Post by modxl » 24 Feb 2013, 20:42

i didnt reliase that that would explain a lot doesent look like they sealed very well so gonna sort that,drivers side is not as bad so shoulnt be a problem he says famous last words
steve
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xantia td
soon full leather
rear spoiler