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C4 - DS4 Owners :: Forums :: C4 2011 (B7) DS4 and DS4 CROSSBACK :: Problems and issues
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Heater blower fan problems
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Author Post
Zee1234   
Wed Mar 16 2022, 02:43pm
Member No: #59530
Joined: Mar 16 2022
Location: Lancashire
 Hi guys. My heater fan has stopped working on my Citroen C4 hdi 2014. Past week been working on and off and now completely not working. Removed the glove compartment ment can't see any problems with the wire. Can anyone help. Also I notice when removing the glove box. The AC pipes running through was very hot. Is that normal? Only just brought the car in Jan
Rizwan   
Mon May 16 2022, 06:40am
Member No: #49990
Joined: Dec 01 2017
Location: Lancashire
 Same issue of heater blower gone off checked all fuses no luck
Farmerguy   
Mon May 16 2022, 12:45pm
Member No: #59597
Joined: Apr 10 2022
Location: Denmark west part
 Is this the old C4 GP?
With the blower fan under the glove compartment?
I find it have a plug on the end of the motor housing, i sprayer it like crazy with WD-40 and some spray with more lube, and it came back to life. It's been like that for months now.
Rizwan   
Mon May 16 2022, 03:53pm
Member No: #49990
Joined: Dec 01 2017
Location: Lancashire
 No mate mines a MK2 C4 .bit confused what it could be. Possibly it's the blower motor bit. O idea where it's located
Ap0qalypto   
Wed May 18 2022, 12:58am
Member No: #52161
Joined: Sep 21 2018
Location: Republic of Serbia
 Cabin fan is above passagers legs(left steering wheel side)
Farmerguy   
Wed May 18 2022, 10:34am
Member No: #59597
Joined: Apr 10 2022
Location: Denmark west part
 If it's like the old it is just four plastic fasteners that can be removed, then you can see the blower motor, which is with the end bearing downwards, then moisture runs down in the bearing and it binds, i had this experience after our 4th child, we was going home from hospital without heat, in February Denmark, in the rain with windows down! Blyat. It has been a bit noisy week before, i removed a small plug on the motor, sprayed WD-40 and other lubes up in the bearing, while the fan was on max, then it began running and kept pouring WD-40 up there until it came out clean ish, used a lube after this in a spray, not to thick ( WD-40 should never be used to lube anything!) It have not made a noise since.
Think the other issue can be the resistor that get corroded. But the WD-40 trick cost near to nothing and don't hurt anything so worth a try first.
Rizwan   
Thu May 19 2022, 05:10pm
Member No: #49990
Joined: Dec 01 2017
Location: Lancashire
 Thanks pal. I got new motor off eBay just connected with the electrical connector but the nnew one didn't turn on so now thinking it's not motor. Is the resistor close to motor I looked bit cudtn see it...or am I being stupid and it's there and I just overlooked it?!??!??! Thanks
Rizwan   
Fri May 20 2022, 02:04am
Member No: #49990
Joined: Dec 01 2017
Location: Lancashire
 Bad news got new motor on no luck then rechecked fuses then now CAR WONT START
Rechecked fuses all intact. ANY HELP PLEASE....KEY WORKS CENTRAL LOCKING BUT CARS IN ECONOMY MODE TRIED MATES CAR WITH JUMP LEADS NO LICL. WONT CRANK. DASH LIGHTS BIT THAT'S IT
vexorg   
Fri May 20 2022, 03:52am
Member No: #48843
Joined: Jul 06 2017
Location: Scotland
 You must have moved some connector when in there, re-check everything you touched
Rizwan   
Fri May 20 2022, 04:44am
Member No: #49990
Joined: Dec 01 2017
Location: Lancashire
 I have pal. That's what super annoying. Could it be a relay IV blown...I'm just guessing now. Also double checked with diagram online
Farmerguy   
Fri May 20 2022, 11:14am
Member No: #59597
Joined: Apr 10 2022
Location: Denmark west part
 Have you tried to measure the voltage on the battery? There is a circuit that makes it go into economy mode when voltage go low or after 30 min.
Could be the battery. I can't see you taking out the connector for the blower will cause a no start issue.
Maybe you should try a BSI reset?
Taking of the battery, try searching BSI reset.
there is a certain way it should be done.

From my oppinion, cars today should not be jump startet, i would fear some problems.

Rizwan   
Fri May 20 2022, 12:53pm
Member No: #49990
Joined: Dec 01 2017
Location: Lancashire
 Alhamdulillah that's sorted AAcame and reset battery said wasn't coming out if economy mode for some reason. .......so back to heating issue. Anyone recommend anything. Both mototrs don't come on. All fuses ok. Need fan on especially with hot and wet day like today to get rid of Steam. Thanks in advance
Farmerguy   
Fri May 20 2022, 01:29pm
Member No: #59597
Joined: Apr 10 2022
Location: Denmark west part
 Both motors? The b58 Grand Picasso from 2009-2013 only have one blower motor!?
Do you mean the blower in front of the radiator and aircon radiator??

If fuses are ok, and it shows power, light and display on the heating/ac control panel??

If it does i think it need a code reader maybe?
There should be a resistor with the blower inside the housing that can become bad and the blower don't work. Try use ex autodoc or some website that show how it look. The one from 09-13 have like some aluminum housing that can corrode and maybe this moisture get inside and burn it out.
Rizwan   
Fri May 20 2022, 03:40pm
Member No: #49990
Joined: Dec 01 2017
Location: Lancashire
 Hi mate the big motor behind dashboard it's a C4 MK2 not picasso mate.


The dashboard lights up even the rear windscreen heating strip wors
So u this it's the resistor. I've seen it under the blower motor.
Rizwan   
Fri May 20 2022, 03:43pm
Member No: #49990
Joined: Dec 01 2017
Location: Lancashire
 Meant to write so you think it's the resistor .sorry for typo
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