DS 23IE heater connections?
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  1. #1
    Thank God for my Hydroen harrisson_citroen's Avatar
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    Default DS 23IE heater connections?

    Well now the D is running I have found a new enrgy to finish all the work on it.

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    In the meantime, I have removed the main heater fan (on the left) and disconnected the water hoses. Now should I connect them together to create a circuit or should I block them off individually?
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  2. #2
    1000+ Posts robmac's Avatar
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    Quote Originally Posted by harrisson_citroen View Post
    Well now the D is running I have found a new enrgy to finish all the work on it.

    In the meantime, I have removed the main heater fan (on the left) and disconnected the water hoses. Now should I connect them together to create a circuit or should I block them off individually?
    If the heater core has on/off water valve or a thermostatic doover on it block them off individually.

    If the core runs hot water all the time join them together.

    Either way, it won't make much difference. If the core has the former system and you do the latter fix. The engine will take longer to come to temperature.

  3. #3
    Thank God for my Hydroen harrisson_citroen's Avatar
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    Quote Originally Posted by robmac View Post
    If the heater core has on/off water valve or a thermostatic doover on it block them off individually.

    If the core runs hot water all the time join them together.

    Either way, it won't make much difference. If the core has the former system and you do the latter fix. The engine will take longer to come to temperature.
    Rob,

    Don't really know where to look for a valve. So do you reckon it is safe to just block them off?, for me it would be the easiest option.
    DS Un jour, DS toujours !

  4. #4
    UFO
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    Join them and avoid the risk of the blocked hoses causing other problems.
    Craig K
    2009 C5 HDi Exclusive

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    Thank God for my Hydroen harrisson_citroen's Avatar
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    Righty O then, shall do.

    Tomorrow's job. thanks Craig
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  6. #6
    1000+ Posts michaelr's Avatar
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    In my opinion it would be better to block them. Simply insert a bolt of suitable size in each open end and fasten with a hose clamp.
    The reason I suggest this is that the normal state for these hoses is for the flow to be blocked when the heater is off. Alternatively, when the heater is on the flow is though the heater core which contributes to the engine cooling. Simply connecting the hoses bypasses the radiator and reduces cooling.
    Michael
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    DS23 Pallas 5 sp. "Francoise" , BX19TRi Auto "Jacques Dutronc" , Teardrop Trailer "The Toad", BMW R65 "Rosamund"
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  7. #7
    Thank God for my Hydroen harrisson_citroen's Avatar
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    Quote Originally Posted by michaelr View Post
    In my opinion it would be better to block them. Simply insert a bolt of suitable size in each open end and fasten with a hose clamp.
    The reason I suggest this is that the normal state for these hoses is for the flow to be blocked when the heater is off. Alternatively, when the heater is on the flow is though the heater core which contributes to the engine cooling. Simply connecting the hoses bypasses the radiator and reduces cooling.
    Well, that is a very valid point I guess.
    I find it hard to decide which way to go now.
    The worse thing that can happen either way is a bit of overheating isn't it? Can there be complication with the injection stuffing around because of the temperature sensors?

    I know noooothing........
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  8. #8
    Fellow Frogger! CorneSoutAfrica's Avatar
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    For total peace of mind to yourself, block the pipes, drive the car and keep a look at the car's running temps, then check with the pipes connected and water flowing through...

    on my other pallas the pipe is bypassed and I haven't had overheating problems ever. Ok yours has got an AC system, putting extra strain on the engine causing more heat.

    Just my thought, good luck!

    Cheers
    Corne
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  9. #9
    1000+ Posts michaelr's Avatar
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    How can blocking the flow do any harm? That is what you do every time you turn off the heater.
    Michael
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    DS23 Pallas 5 sp. "Francoise" , BX19TRi Auto "Jacques Dutronc" , Teardrop Trailer "The Toad", BMW R65 "Rosamund"
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    Fellow Frogger! CorneSoutAfrica's Avatar
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    Michael

    Not saying it will cause any harm, I just thought Phillipe should try both ways and see if there is any difference, just for himself to have total peace of mind

    cheers
    corne
    1968 ID21 break
    1971 DS21 IE BVH Rouge de grenade (Madamoiselle Rouge)
    1974 DS Pallas Sable metalisse My first restoration (Edith) Now BVH
    1973 DS pallas Metallic red. "Rusty"

    1947 Traction Avant

    Modern

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    What would life be if we had no courage to attempt anything?
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  11. #11
    Thank God for my Hydroen harrisson_citroen's Avatar
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    Okay, both hoses blocked. DS running fine, I think I'll keep them like that and check the temp gauge....yes I DO have one standard on the dash.

    I had forgotten this incredible feeling of well being you get when you drive a D. I hadn't driven one for sooooo long. There's really something organic about these things. Ok I'll stop the philosophy...I can't help myself..am happy...so happy....la la la
    DS Un jour, DS toujours !

  12. #12
    DS
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    Citroen Car Club of New South Wales member.

    My Citroen ID21F can be seen here http://www.flickr.com/photos/frontdr...7605999522616/

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