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Heater Stopped Working


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#1 nyck

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Posted 19 February 2008 - 05:50 PM

The Fans have stopped working today on are 52 reg SX.
I 've read a few threads for i ideas.It dosent work on any setting it did work again briefly when my wife went to lunch but stopped again.
I download the fuse list from here but but can tell which fuse is 1,2,3 etc as i look at the fuse box
I havent got aircon would i have a pollen filter? if so where is it located
Also where are the fans located so i can test for power

thanks nyck

#2 NorfolkBoy

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Posted 19 February 2008 - 08:31 PM

Hi

If your fan stopped then started briefly I dont think it would be the fuses, I had same problem with my 52 reg HDI took it to local garage and it turned out to be ignition switch, you have to order them to go with the car I was told 2-3 weeks so garage bypassed ig sw & put in a new wire with 30 fuse, all working fine now I will get a switch sometime hope this helps.

#3 Fletch

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Posted 05 March 2008 - 06:38 PM

The Fans have stopped working today on are 52 reg SX.
I 've read a few threads for i ideas.It dosent work on any setting it did work again briefly when my wife went to lunch but stopped again.
I download the fuse list from here but but can tell which fuse is 1,2,3 etc as i look at the fuse box
I havent got aircon would i have a pollen filter? if so where is it located
Also where are the fans located so i can test for power

thanks nyck

[font=Comic Sans Ms]

Hi Nyck (and anyone who can help)

Mine stopped working today as well. I have a Y reg picasso with the electronic display (climate control) I spoke to a citroen mechanic and he said try the pollen filter. It's located on the bulkhead (at the rear of the engine) and is a black panel held on by three plastic wing nuts. I've tried to clean it and it did go for a second or two but stopped again. I'll get a new one tomorrow and will post what happened. fingers crossed and in the meantime if there's anyone out there who knows any different, please let us know.
Are you sure you haven't got air con on the SX?

Thanks

Fletch

#4 stimulator

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Posted 06 March 2008 - 11:37 AM

Don't want to pee on your hopes but the pollen filter doen't have a switch in it that stops the heater blower.

The pollen filter if clogged will cause the fan to draw more current when it tries to rotate. That current is supplied via a set of contacts on the ignition switch barrel. these have a habit of overheating which melts the barrel and prevents the ignition switch from being turned.

can you still turn your ignition swicth? see tech FAQ

The are fuses in the fan circuit see handbook or tech FAQ

The fan speed resistor unit is also a known failure item. see tech FAQ

YES all pics have pollen filters
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#5 motorman116

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Posted 06 March 2008 - 04:21 PM

YES all pics have pollen filters


I think that you mean, that only pics with air con fitted, have pollen filters :P :D
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#6 stimulator

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Posted 07 March 2008 - 11:04 AM

Understood they all did as it's an aide to environment control.
The manual a/c cars have a different type of filter too that fitted to the auto climate cars.

Can anyone who has a non a/c car check to see if.

a) you have an oval opening in the engine bay

B) does it have a filter inside it.

Edited by stimulator, 07 March 2008 - 11:05 AM.

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#7 kfk

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Posted 07 March 2008 - 07:40 PM

They all have filters
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#8 stimulator

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Posted 08 March 2008 - 07:38 AM

Welcome back KFK and thanks for the input, it did seem strange that they'd make a different pressing for non a/c cars.
62 Reg C3 Picasso VTR+ 1.6 HDi 92BHP
Previous Xsara Picasso 20HDi, C3 SX 1.4HDi, C3 SX 1.6HDI, C4 Picasso 1.6HDi VTR+ EGS

#9 mantav8

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Posted 16 September 2008 - 04:06 PM

I seem to have developed the same problem!-01 Hdi 90,electronic climate control.
One day air con,the next nothing!-I'm in Spain so this is a bad thing! LOL!
Says 'Auto' on the display but no blower, no anything.
I have had it 'plugged in ' and a fault was logged 'Interior cabin temp sensor'
Would this cause the above?-and where is it located?
Thanks in advance! ;)

#10 stimulator

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Posted 17 September 2008 - 08:39 AM

The interior cabing temp sensor is mounted behind the small grill to the sides of the radio and aircon panels on the centre part of the dash.
On a right hand drive car it's in the passenger side grill on a LHD it's in the right hand grill.

inside there is a small fan that samples the air temp in the car and blows it across a thermistor (sensor) they get blocked up with fluff etc and stop.

You maybe lucky and fix it with a vacumn cleaner applied to the grill to remove the fluff.

Look in FAQs section for this as its been on before.

Edited by stimulator, 17 September 2008 - 08:44 AM.

62 Reg C3 Picasso VTR+ 1.6 HDi 92BHP
Previous Xsara Picasso 20HDi, C3 SX 1.4HDi, C3 SX 1.6HDI, C4 Picasso 1.6HDi VTR+ EGS

#11 mantav8

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Posted 01 October 2008 - 02:16 PM

The interior cabing temp sensor is mounted behind the small grill to the sides of the radio and aircon panels on the centre part of the dash.
On a right hand drive car it's in the passenger side grill on a LHD it's in the right hand grill.

inside there is a small fan that samples the air temp in the car and blows it across a thermistor (sensor) they get blocked up with fluff etc and stop.

You maybe lucky and fix it with a vacumn cleaner applied to the grill to remove the fluff.

Look in FAQs section for this as its been on before.

Thanks for the reply!-sorted now tho'-turned out to be the ol' ignition contacts!
New one fitted and have a/c again,loverly! :D

#12 Ross 744

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Posted 12 April 2009 - 05:47 PM

Can anybody remember how much it cost for the ignition job to be done when the interior fans stop?

Thanks :)
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#13 Teacherpete2

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Posted 12 April 2009 - 06:07 PM

Seem to remember about £50 for the parts. IIRC, there's a set of KFK's instructions on doing this job in the FAQs.
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