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Old 12-09-2012, 09:19 PM   #1
xtraktor
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Default AU weak air con fan

Hi Guys,

Just want to check if it is me going crazy spending too much time in the AU, or is the heater/dash fan becoming weaker with age?

I used to be able to hear it on speed '2' but now I struggle to hear even speed '3' and have to have it on '4' to get any decent air flow.

Is this a known issue? how can I fix it?

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Old 14-09-2012, 01:55 PM   #2
mik
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Default Re: AU weak air con fan

mine works fine all four speeds, i`m thinking i would check the fan speed resistor and the fan speed switch.
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Old 14-09-2012, 10:02 PM   #3
MNM96
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Default Re: AU weak air con fan

Quote:
Originally Posted by xtraktor
Hi Guys,

Just want to check if it is me going crazy spending too much time in the AU, or is the heater/dash fan becoming weaker with age?

I used to be able to hear it on speed '2' but now I struggle to hear even speed '3' and have to have it on '4' to get any decent air flow.

Is this a known issue? how can I fix it?

Is the fan still working on the lower speeds?

If yes, it is likely that the Evaporator is becoming clogged, with dust, hair and *****.
Not an easy repair.

Got the same issue btw!
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Old 14-09-2012, 10:10 PM   #4
xtraktor
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Default Re: AU weak air con fan

Yes the fan still works on 1 and 2 but you can barely feel it. I will check the cabin filter but I don't hold much hope, my car is spotless inside so why would it be clogged?
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Old 21-12-2012, 12:58 AM   #5
joblue
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Default Re: AU weak air con fan

I am pulling out the dash of an AU11 tomorrow for the same problem I;ll try to let you know how it goes
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Old 21-12-2012, 07:41 AM   #6
MNM96
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Default Re: AU weak air con fan

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Originally Posted by joblue View Post
I am pulling out the dash of an AU11 tomorrow for the same problem I;ll try to let you know how it goes
I pulled the dash from mine and was none the wiser. Need to attack it from the underbonnet side I believe.
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Old 21-12-2012, 05:28 PM   #7
Mr Hardware
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Default Re: AU weak air con fan

There's no cabin filter in AU's
The blower unit is visible when you take the glovebox out, however it is a dash-out job to replace it. This was rectified with the BA's and onwards.

AU falcon fan performance is unbelievably dismal at the best of times. It's sad when mid size jap econoboxes 10 years older than it have massively superior fan performance
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Old 05-12-2020, 12:07 PM   #8
afg
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Default Re: AU weak air con fan

Leaking vac or vac tank switch failure vac operates aircon doors doors closed no air
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Old 14-12-2020, 08:00 PM   #9
George V
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Default Re: AU weak air con fan

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Originally Posted by afg View Post
Leaking vac or vac tank switch failure vac operates aircon doors doors closed no air
Welcome to Australian Ford Forums AFG.

Almost eight years since last post on this topic.

Anyway, I still got an Au and still got similar fan issue.


Perhaps, I will check vacuum switch one day.

Kind regards,
George V
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