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Author Topic: Cooling fan  (Read 7455 times)

Offline Chocaholic

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Cooling fan
« on: May 14, 2014, 11:41:19 pm »
Hi I am a newbie ,this is my first posting as i am unable to find an answer to my problem,
When I first start after15 seconds the cooling fan starts up at full speed,and stays  like that  when i swich off engine the fan runs a few seconds more and then stops,A local garage had a check an told me there were not any fault codes showing,The air con has been fully checked and operates ok, are there any other things I might try, the temp stays at 90 when warmed up,I can drive for 60 miles or more without problems Iam worried the Fan  might burn out operating at that speed, :(

Offline Chrispb

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Re: Cooling fan
« Reply #1 on: May 15, 2014, 04:14:41 am »
Hello and  welcome5

What diagnosis did the garage perform?
Have a check at the radiator sensor wiring plug make sure no wires have broken off.
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Offline Chocaholic

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Re: Cooling fan
« Reply #2 on: May 15, 2014, 09:21:45 am »
Hi all seems fine on that check, might there be a relay that has stuck on?in which case it might not show up as a fault..

Offline Chrispb

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Re: Cooling fan
« Reply #3 on: May 15, 2014, 01:42:22 pm »
There is a relay under the battery fusebox

Was Vagcom/VCDS used for diagnosis? generic code readers wont scan all modules in these cars.
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Upgraded Eberspaecher booster heater  to independent heating with 7 day timer.

With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me.
All for a pint of Strongbow.

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Offline Chocaholic

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Re: Cooling fan
« Reply #4 on: May 15, 2014, 08:34:10 pm »
 Hello, do not have details on what type of system used to check for fault codes..
Have contacted Ford Garage  >:( Tech Guy said might be model in fan  :( Big bucks for new fan ) told me to try that nice easy to change coolant sensor  :'( as the one at  bottom rad has been checked with a new one and did not cure problem,,

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Re: Cooling fan
« Reply #5 on: May 15, 2014, 10:14:07 pm »
Looks a simple enough circuit, the fan is fed a supply from the engine bay fuse box and has its own ground. (Pins 1 and 4 - the big chunky ones). Then it looks like its got a supply from ignition on (Pin 2). It appears (Pin 3) is a ground which is either made or not made to put the fan on - controlled by the ECU.

It looks like it shares the temperature sensor - you say the dash one reads correctly? You 100% sure its running full speed, if the A/C is on then it should be running at 1/2 speed all the time - what happens when you turn the A/C system off?

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Offline Chocaholic

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Re: Cooling fan
« Reply #6 on: May 16, 2014, 05:43:57 am »
Fan still runs at full speed  with aircon switched off.

Offline Chrispb

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Re: Cooling fan
« Reply #7 on: May 16, 2014, 07:39:28 pm »
Cooling fan run on may be active, could simply be faulty coolant sensor, would need to check temperature readings in vagcom to see if they concur with temperature gauge.
2016 Vauxhall Insignia Elite Nav in White 2.0CDTI Manual.
2009 Kia Sedona GS In Black 2.9CRDI 183PS. 5 Speed Manual WAV.
2003 MK2 Galaxy Ghia In Solid Black 1.9 TDI 115PS. 5 Speed Automatic.

Upgraded Eberspaecher booster heater  to independent heating with 7 day timer.

With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me.
All for a pint of Strongbow.

The FordMPV.com Forum - The free forum for questions and answers relating to the Ford Galaxy, S-Max and C-Max

Offline Chocaholic

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Re: Cooling fan
« Reply #8 on: May 17, 2014, 08:35:21 pm »
Thanks for advice mate ,have change the easy coolant sensor below the pump, dont know how a fella with big hands would manage  ;D Fan still runs full speed, have had enough now ,have booked it in with my local garage,he is a good guy will not rip you off...will be nice to see a result when he is done ..

Offline Chocaholic

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Location of 2003 mk 2 Cooling fan control unit
« Reply #9 on: May 20, 2014, 03:17:29 pm »
 :) Hello Can any body explain where the  Cooling fan control unit is, it is not under the battery tray,There is only one fan fitted  ??? thanks..

Offline insanitybeard

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Re: Location of 2003 mk 2 Cooling fan control unit
« Reply #10 on: May 20, 2014, 04:10:17 pm »
I would imagine it's in the same place as my '54 plate 130 TDI (with single fan), not under the battery tray but actually mounted in the fan cowl at the top on the nearside, it's not easily spotted from the top because the plastic cowlings that shield the battery and battery fusebox obscure it.
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Offline Chocaholic

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Re: Location of 2003 mk 2 Cooling fan control unit
« Reply #11 on: May 20, 2014, 07:49:20 pm »
Oh its that simple to locate then ?I was told by a Ford tech guy that the complete fan had to be changed,because it was a in the fan , Do you think this effects the speeds or just switches the fan on? ???

Offline Chocaholic

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Re: Location of 2003 mk 2 Cooling fan control unit
« Reply #12 on: May 20, 2014, 08:02:30 pm »
Any one know where I can obtain a pic of the cooling fan control unit :-*

Offline gregers

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Offline insanitybeard

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Re: Location of 2003 mk 2 Cooling fan control unit
« Reply #14 on: May 21, 2014, 12:09:17 am »
Of the parts diagrams that Greg linked earlier, this is the one that's going to be relevant to the 130ps TDI with single fan unit, as you can see number 13 is the control unit assembly, so it's certainly listed as a separate part from the actual fan cowl and motor, don't put 100% faith in the part number that it's given in that diagram if you need to order it though! If you are able to get an engineering number off of the old one you may be able to pick one up in a breakers, I imagine a new one from Ford will be shockingly priced as these things often are!
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Offline Chocaholic

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Re: Cooling fan
« Reply #15 on: May 21, 2014, 11:16:18 pm »
Thanks mate will be having a look in Breakers Yardj :'(

Offline Stan Stockdale

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Re: Cooling fan
« Reply #16 on: October 25, 2018, 11:39:32 am »
did you ever find the cause?

 

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