Will C-Matics be saved from extinction?
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  1. #1
    Fellow Frogger!
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    Default Will C-Matics be saved from extinction?

    Has anyone come up with an idea to keep C-Matics in service?

    Since the electrovalve/distributor units are no longer available
    does this mean the C-Matic will die a slow and painful death or will
    one of you Citroen geniuses on here or somewhere else be able to
    come up an ingenius solution to keep these transmissions in service.

    Any ideas would be greatly appreciated.

    Could someone donate an inoperable electrovalve/distrbutior unit so
    I can have a look to see if I can come up with something?

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    Surely Cit enthusiasts have had to solve more difficult problems than this!

    Would be a shame to see the C-Matic disappear forever!

  2. #2
    Fellow Frogger! Jack Z's Avatar
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    This is a bit like why so many BX's have failed auto's....and it seems that George 18th is the man that has done to the C-matic what Alan S has done to the ZF.....

    "Must be the C-matic mate.... if you want to keep it on the road make it a 4speed!".....

    Let's look at what's involved....:-

    Torque converter.... - like any other can be rebuilt...

    Box itself.... funny thing is I have yet to see one that needed anything done to the internals... so no idea what's involved... or if the parts can be swapped from a 4speed box Others would know...

    Inhibitor switch... again I have no doubt that if it couldn't be rebuilt... given it's purpose then a replacement / alternative could be adapated...

    Which brings us to the most important bit.. the electro valve... and what is the single bit that fails... the "selenoid" and some contacts.... !

    A competent motor rewinder should be able to rebuild or copy any Selenoid... the key is for them to have a good one to map (copy from) first... taking the dud one in is too late... and even then they can go with a little trial and error and come close... it's like anything it's having enough value in the rest of the car to make it worth while... but then again I'm biased...

    BX TZI Hatch
    BX TRI Hatch
    GS C-Matic

  3. #3
    Moderator Alan S's Avatar
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    When I was in mytrade, it wasn't uncommon for coils for solenoids to be rewound. I've even had the coils inside the timer motors on washing machines and dishwashers done.
    There used to be a couple of companies in Sydney that specialised in that kind of stuff but due to not dealing directly with them I never knew their names.
    They all needed the length of wire and the gauge to do the job.


    Alan S
    If it ain't broke, use a 12" shifter.....that usually does the trick!!

  4. #4
    Fellow Frogger! chris's Avatar
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    C-matics seem to be getting a resurgence in interest. I have every intention of turning my car back into a C-matic in the fullness of time; it was born that way. I have a nearly new clutch to wear out first though

    As Jack and Alan have said there isn't really anything complicated about them. The gearbox internals are pretty similar to the manual boxes and the torque converter and valving are nothing fancy by the standards of modern automatics.

    I wouldn't be surprised if there were more good C-matic boxes sitting around behind sheds than there are manuals, having been ripped out because they had a dirty contact somewhere

    Chris
    GS 1220 break. Beige cars go faster

  5. #5
    Fellow Frogger!
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    What about the base plate of the solenoid?:

    Does'nt that take a pounding by the force of the solenoid
    and eventually end up unserviceable (or with a hole in it?)
    It's only made from aluminium am I correct?
    Last edited by raver; 2nd March 2006 at 10:59 AM.

  6. #6
    Fellow Frogger! chris's Avatar
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    It's just a valve body isn't it? Take it into an auto gearbox specialist (or even a competent machine shop) and say "Fix this"... I fail to see how the possibility of that occurring is a show-stopper

    Chris
    GS 1220 break. Beige cars go faster

  7. #7
    Real cars have hydraulics DoubleChevron's Avatar
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    Quote Originally Posted by raver
    What about the distributor at the end of the electrovalve?:

    Does'nt that take a pounding by the force of the solenoid
    and eventually end up unserviceable (or with a hole in it?)
    It's only made from aluminium am I correct?
    The only switches a just simple breaker switches on the top of the gearchange.... Seriously simple as sh!t

    http://www.aussiefrogs.com/shane/cma...aticfaults.htm

    These are the simple switches, all they do is close the earth on a relay (extremelly low current, so will last forever):



    They are a seriously simple box, with little problems (as long as you don't put Dexron III in them .... They do NOT like Dexron III. Castrol TQF is the magic potion ).

    seeya,
    Shane L.
    'Cit' homepage:
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    '72 DS21 ie 5spd pallas (last looked at ... about 15years ago)
    '78 GS1220 pallas
    '92 Range Rover Classic ... 5spd manual.

    Yay ... No Slugomatics


    Modern Junk:
    '07 Poogoe 407 HDi 6spd manual

  8. #8
    Fellow Frogger! Jack Z's Avatar
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    Ray,

    You need to empty tour PM Inbox...!
    BX TZI Hatch
    BX TRI Hatch
    GS C-Matic

  9. #9
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    George 1/8th is the man. He's helped me enormously to keep my c-matic alive.

    Brilliant to drive when they're sorted. A absolute breeze in bumper-to-bumper traffic. With that peerless suspension, lovely light steering and effortless gearchanges, all that's needed is aircon and the GS C-Matic is quite possibly the ultimate car!

    ('though Wheels would probably whinge about the lack of a stubby cooler or some such )

  10. #10
    Good Sport danielsydney's Avatar
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    I saw a white one in Newtown the other day and it hasnt moved in weeks.

  11. #11
    Fellow Frogger! Jack Z's Avatar
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    As I said I think it's more lock of effort rather than "can't be done" that seems to be the reason so many have died...

    Shane as usual has shown in incredible detail how little there is to them and I'm buggered if I can see anything in them that can't be repaired... ...

    George 1/8th has been very quiet lately I'd love to hear his thoughts... maybe a PM to him Graham might get a response...

    BX TZI Hatch
    BX TRI Hatch
    GS C-Matic

  12. #12
    Fellow Frogger! Paul Smith's Avatar
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    Quote Originally Posted by danielsydney
    I saw a white one in Newtown the other day and it hasnt moved in weeks.
    And it's out of rego - the council will be on to it soon - a pity as it seems to be fairly rust free.

    Paul
    Paul Smith

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  13. #13
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    Quote Originally Posted by Paul Smith
    And it's out of rego - the council will be on to it soon - a pity as it seems to be fairly rust free.

    Paul

    For goodness sake someone grab it. We need an AF shelter/refuge for all these strays.

  14. #14
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    Quote Originally Posted by Jack Z
    George 1/8th has been very quiet lately I'd love to hear his thoughts... maybe a PM to him Graham might get a response...

    I might give him a ring

  15. #15
    Sans Pond. STALLED's Avatar
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    Whats a C-Matic like to drive?

    Id be interested to know how quick the changes are - considering its a box which is 30+ years old! Not much really seems to go wrong from all accounts -allways seem to be some easy contact which has dirtied up over 30 odd years of use!

    Old Citroens sound like a absloute blast to drive!

    Hope they are still serviceable well into the future!

    Joel
    2005 Renault Clio 182 Cup

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  16. #16
    Fellow Frogger! Jack Z's Avatar
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    Joel,

    You're welcome to come and drive mine... its a GS.. its a C-matic and its as good as you'll find... post code is 2206... pm if you like...

    BX TZI Hatch
    BX TRI Hatch
    GS C-Matic

  17. #17
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    Quote Originally Posted by Jack Z
    George 1/8th has been very quiet lately I'd love to hear his thoughts... maybe a PM to him Graham might get a response...


    I got in touch with George and he's alive and well.

  18. #18
    1000+ Posts George 1/8th's Avatar
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    Hi Guys, I was alive last time I checked...
    Just been pretty busy.
    I drove the CX today...Tuesday March 7th....beautiful....no problems.. Cheers...George.

  19. #19
    Fellow Frogger! Jack Z's Avatar
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    George,

    Great to hear you're well...

    You've been missed

    BX TZI Hatch
    BX TRI Hatch
    GS C-Matic

  20. #20
    Fellow Frogger! PSvensson's Avatar
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    I have genuine never been used Citroen electrovalve unit somewhere around here

    Anyone wants to make an offer?

    Dan S
    1970 ID20 SUPER
    1971 DS21 IE non PALLAS,5 Spd
    1973 DS20 SUPER Singapore model but now an Aust resident(Rebuilding)
    Late 1994 Xantia VSX 5speed (for sale)
    1966 R10 round eye (sombody want to buy?)

  21. #21
    Fellow Frogger! Jack Z's Avatar
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    PSvensson...

    Check your PM's..... pleeeeeeeeezzzzzz
    BX TZI Hatch
    BX TRI Hatch
    GS C-Matic

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