Hydractive switch on deisel pump
Moderator: RichardW
Hydractive switch on deisel pump
I've just found that my hydractive switch on top of my diesel pump is missing the actuating arm,
so my first question is are these expencive and where is the best place to get one from ?
The second is are there different types or are they all the same ?
The thurd is will this meen it's stuck in hard mode ?
so my first question is are these expencive and where is the best place to get one from ?
The second is are there different types or are they all the same ?
The thurd is will this meen it's stuck in hard mode ?
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- CitroJim
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I never knew one such existed on a diesel Mark. On a petrol, the signal the Hydractive ECU uses to invoke hard mode on ard accelleration is derived from a small pot on the throttle pedal.
The only switch I can recall on a pump is the Post-Heat cutout microswitch and these were only present on non-electronic Bosches and later Lucas DPCs...
I'll have a look at my wiring diagrams later...
You can see if you are in permanant hard mode by listening to the electrovales and hearing their characteristic soft-mode purring. You can bounce each corner to doubly confirm; in soft mode the corners should be very soft and squishy.
The only switch I can recall on a pump is the Post-Heat cutout microswitch and these were only present on non-electronic Bosches and later Lucas DPCs...
I'll have a look at my wiring diagrams later...
You can see if you are in permanant hard mode by listening to the electrovales and hearing their characteristic soft-mode purring. You can bounce each corner to doubly confirm; in soft mode the corners should be very soft and squishy.
Jim
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I always thought it was for the hydractive system
this is it
<a href="http://s250.photobucket.com/albums/gg26 ... tch001.jpg" target="_blank"><img src="http://i250.photobucket.com/albums/gg26 ... tch001.jpg" border="0" alt="Photobucket"></a>
<a href="http://s250.photobucket.com/albums/gg26 ... tch002.jpg" target="_blank"><img src="http://i250.photobucket.com/albums/gg26 ... tch002.jpg" border="0" alt="Photobucket"></a>
Yes I have one of the last non EGR 1.9td's but I've only seen this switch on a hydrolic Citroen, and when DickyG checked my car out he said the hyrdo switch on the throttle was working.
OH my links arnt working properly.
this is it
<a href="http://s250.photobucket.com/albums/gg26 ... tch001.jpg" target="_blank"><img src="http://i250.photobucket.com/albums/gg26 ... tch001.jpg" border="0" alt="Photobucket"></a>
<a href="http://s250.photobucket.com/albums/gg26 ... tch002.jpg" target="_blank"><img src="http://i250.photobucket.com/albums/gg26 ... tch002.jpg" border="0" alt="Photobucket"></a>
Yes I have one of the last non EGR 1.9td's but I've only seen this switch on a hydrolic Citroen, and when DickyG checked my car out he said the hyrdo switch on the throttle was working.
OH my links arnt working properly.
99 406 LX HDI 90 estate
99 C250TD sport estate
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99 C250TD sport estate
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- CitroJim
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I retrieved and re-hosted this picture of yours Mark...
That, unless I'm very much mistaken, is the post-heat defeat switch.
What's your exact model and year? I'll then have a look at the diagrams...
That, unless I'm very much mistaken, is the post-heat defeat switch.
What's your exact model and year? I'll then have a look at the diagrams...
Jim
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/\ what Jim sez! That is definitely part of the glowplug system and nothing related to the suspension. Furthermore, there does not appear to be a missing part...
To the best of my knowledge, hydractive cars with the XUD engine did without a means to determine throttle position.
To the best of my knowledge, hydractive cars with the XUD engine did without a means to determine throttle position.
Jonathan
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Not according to my VSX which has a throttle position sensor on the accelerator pedal.jonathan_dyane wrote:To the best of my knowledge, hydractive cars with the XUD engine did without a means to determine throttle position.
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jonathan_dyane wrote:/\ what Jim sez! That is definitely part of the glowplug system and nothing related to the suspension. Furthermore, there does not appear to be a missing part...
To the best of my knowledge, hydractive cars with the XUD engine did without a means to determine throttle position.
On this pictur you can't see the bit thats missing, the other one shows the missing part (or where it should be), wish I could get the link working so you could see.
Jim, it's a 97 Xantia 1.9td VSX estate if that helps.
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You've selected the HTML links Mark, instead of the BB Code.mark21td wrote:I always thought it was for the hydractive system
this is it
<a href="http://s250.photobucket.com/albums/gg26 ... tch001.jpg" target="_blank"><img src="http://i250.photobucket.com/albums/gg26 ... tch001.jpg" border="0" alt="Photobucket"></a>
<a href="http://s250.photobucket.com/albums/gg26 ... tch002.jpg" target="_blank"><img src="http://i250.photobucket.com/albums/gg26 ... tch002.jpg" border="0" alt="Photobucket"></a>
Yes I have one of the last non EGR 1.9td's but I've only seen this switch on a hydrolic Citroen, and when DickyG checked my car out he said the hyrdo switch on the throttle was working.
OH my links arnt working properly.
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But surely that is part of the electronic control for the IP rather than the hydractive suspension? I must admit most of my knowledge is based on cars with fully mechanical pumps...DickieG wrote:Not according to my VSX which has a throttle position sensor on the accelerator pedal.jonathan_dyane wrote:To the best of my knowledge, hydractive cars with the XUD engine did without a means to determine throttle position.
Jonathan
1986 Mercedes Benz 190D 2.5
1979 GS 1220 Club Estate awaiting more welding
1952 David Brown 30D awaiting new liners
1986 Mercedes Benz 190D 2.5
1979 GS 1220 Club Estate awaiting more welding
1952 David Brown 30D awaiting new liners
Mine IS a fully mechanical pump, no EGR valve or ECU.
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99 C250TD sport estate
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Mark,
Have a look at the top of your throttle pedal and see if there is a little red and black box near it and linked to it by a little con-rod. If there is then that's the throttle position pot the Hydractive ECU uses for throttle position and rate of change of throttle information.
Have a look at the top of your throttle pedal and see if there is a little red and black box near it and linked to it by a little con-rod. If there is then that's the throttle position pot the Hydractive ECU uses for throttle position and rate of change of throttle information.
Jim
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OK jim, I'll have a look in the morning,
So do we think it's to do with the preheat curcit then ?
So do we think it's to do with the preheat curcit then ?
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Finaly got round to checking for the switch down by the peddel, and yes there is a red switch there so thats ruled out the hudroactive one.
So then will I have to go to Citroen for the preheat switch or can I get one from somewhere else ?
So then will I have to go to Citroen for the preheat switch or can I get one from somewhere else ?
99 406 LX HDI 90 estate
99 C250TD sport estate
01 306 HDI 90 meridian estate
Brew my own biodiesel
http://www.shorewasteoil.xtreemhost.com/" onclick="window.open(this.href);return false;
99 C250TD sport estate
01 306 HDI 90 meridian estate
Brew my own biodiesel
http://www.shorewasteoil.xtreemhost.com/" onclick="window.open(this.href);return false;
- CitroJim
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I'm sure I have one kicking around somewhere Mark...mark21td wrote: So then will I have to go to Citroen for the preheat switch or can I get one from somewhere else ?
I'll look tomorrow evening and let you know...
Jim
Runner, cyclist, time triallist, duathlete, Citroen AX fan and the CCC Citroenian 'From A to Z' Columnist...
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