The place to show off and tell us all about your XMs (or even other cars). Should it be a big project, or just some general pics, start your thread in here.
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Vince
- Citroen go-to-guy
- Posts: 798
- Joined: Sat Jan 23, 2010 4:29 pm
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by Vince » Sun Mar 30, 2014 8:14 am
Ah...heater matrices....the old citroen Achilles heal

I had go on a xantia I had once...it was messy, but once fixed lasted a lifetime

Valeo recommended adding Forte stock leak into the system once a matrix was replaced...It was even written on the warranty paper in the box
That landrover needs a bloody good wash does it

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Charles M
- Citrobics expert
- Posts: 669
- Joined: Mon Jul 22, 2013 3:21 pm
- Location: Slough Borders
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by Charles M » Sun Mar 30, 2014 10:35 am
I would have hoped the new heater matrix would have lasted more than the 4 months it's been in the car, but it seems to be the pipes going in.
Gold Citroen SM 1972
Also in the garage
Allard M1 drophead 1949
Mercedes 190e 2.5 16 Cosworth 1989
Range Rover Classic 300tdi 1994
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citroenxm
- Global Moderator
- Posts: 9987
- Joined: Wed Apr 15, 2009 9:11 am
- Location: North Wales - FAR far far away!!! :-p
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by citroenxm » Sun Mar 30, 2014 4:16 pm
I too would also like to of hoped the new matrix would last longer aswell.. I know I put a new one in..
Projects:(eventually if theres any bodywork left)
93 L Xm 2.1t D auto project
93 L xm V6 12v Sei Manual
Others
In use.. 1995 M reg S2 2.1td auto exclusive
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Charles M
- Citrobics expert
- Posts: 669
- Joined: Mon Jul 22, 2013 3:21 pm
- Location: Slough Borders
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by Charles M » Mon Mar 31, 2014 1:29 pm
All looked at and it is the heater matrix, gone after 4 months. New one going to be fitted tomorrow.
Gold Citroen SM 1972
Also in the garage
Allard M1 drophead 1949
Mercedes 190e 2.5 16 Cosworth 1989
Range Rover Classic 300tdi 1994
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captainhaddock
- XM Guru
- Posts: 1854
- Joined: Sun May 13, 2012 9:43 pm
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by captainhaddock » Mon Mar 31, 2014 5:36 pm
Since it was replaced it must have been a fairly simple job to replace. Love that LARO but in this case it should never be washed let alone polished:)
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citroenxm
- Global Moderator
- Posts: 9987
- Joined: Wed Apr 15, 2009 9:11 am
- Location: North Wales - FAR far far away!!! :-p
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by citroenxm » Mon Mar 31, 2014 6:56 pm
Projects:(eventually if theres any bodywork left)
93 L Xm 2.1t D auto project
93 L xm V6 12v Sei Manual
Others
In use.. 1995 M reg S2 2.1td auto exclusive
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Charles M
- Citrobics expert
- Posts: 669
- Joined: Mon Jul 22, 2013 3:21 pm
- Location: Slough Borders
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by Charles M » Tue Apr 01, 2014 2:40 pm
Hopefully it was a one off bad one Paul, but I shall be taking note of Vince's Forte leak suggestion.
In the game of snakes and ladders that is XM ownership, the black XM's front window now works again, entirely without any intervention from me, but the air-con has stopped cooling. I supposed it lasted two weeks on the recharge following the replacement of the condenser. Black on black cars are a little warm when the sun comes out!
Gold Citroen SM 1972
Also in the garage
Allard M1 drophead 1949
Mercedes 190e 2.5 16 Cosworth 1989
Range Rover Classic 300tdi 1994
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Charles M
- Citrobics expert
- Posts: 669
- Joined: Mon Jul 22, 2013 3:21 pm
- Location: Slough Borders
Post
by Charles M » Wed Apr 23, 2014 9:18 pm
So, took the diesel XM out tonight, the first time in the dark since the heater matrix was replaced. Since then the coolant temperature gauge is resolutely un-moved at zero. Like this
But with the lights and the right indicator on (which also gets the high beam light flashing) the temperature gauge displays a slightly higher temperature
The first time I noticed I thought oh sugar, how on earth has that happened, but observing it move left me reassured it was yet another XM glitch!
Gold Citroen SM 1972
Also in the garage
Allard M1 drophead 1949
Mercedes 190e 2.5 16 Cosworth 1989
Range Rover Classic 300tdi 1994
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djg
- Could do a 2.1 headgasket
- Posts: 1181
- Joined: Sun Jan 19, 2014 9:28 am
- Orga / RP numbers: 7261
- Location: Budapest, Hungary
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Contact:
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by djg » Wed Apr 23, 2014 10:04 pm
Computer already shut down so I can only consult the diagram tomorrow but this will be an earthing problem, almost sure. And something simple at that.
Sent from my Nexus 7 using Tapatalk
Bye,
Gábor
1996 XM 2.5 Turbo D VSX (LHD, Bleu Mauritius)
1986 BX 19 TRI Break (LHD, Rouge Vallelunga) deceased
1996 AX 14 D (LHD, Alaska White) in family
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MTXM
- Citroen God!
- Posts: 4901
- Joined: Mon Apr 20, 2009 8:45 pm
- Location: Bacton-on-Sea, Norfolk
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by MTXM » Wed Apr 23, 2014 10:17 pm
Or possibly a duff temp sensor Charles that is quite an easy fix! With regards, Matthew T.
1989 V6 Exclusive (Poland car) - Now living in a local Motor Museum!
1990 V6sei auto (grey auto)
1990 V6sei manual (gold car)
1990 V6.24 Pallas (Germany car)
1990 V6.24v (Scotland car)
Other previous XM sold and broken too many to mention!