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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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Heater Blower Fan problemViews : 587 Replies : 4Users Viewing This Thread : |
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Mar 27th, 2024, 12:59 | #1 |
Austria29
Last Online: May 30th, 2024 14:07
Join Date: Nov 2013
Location: St.Leonards-on-sea
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Heater Blower Fan problem
Hi All
Got a problem with my 1994 T5 Auto Estate The heater blower fan and is not working I have removed the fan and cleaned and used some WD40 to make it run more smoothly When I connect the fan back into the circuit the fan will run quite happily for a short while and then stop Turn the ignition off and back on the fan will restart and then cut out To prove if its my fan at fault - I need to try another one ( just posted a request in the wanted section ) If its not the fan - what else could be at fault Has anybody else had a similar problem ? Thanks |
Mar 27th, 2024, 13:24 | #2 |
VOC Member
Last Online: Jun 15th, 2024 11:39
Join Date: Jul 2006
Location: Chatham
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WD40 is not a lubricant. Use oil sparingly. How long will the fan run on the bench? Does it cut out under those conditions? Will it run continuously when set to Auto or at at any other speed settings?
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Mar 27th, 2024, 13:46 | #3 |
Junior Member
Last Online: Yesterday 22:52
Join Date: Dec 2011
Location: Chelmsford
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I would think it is highly likely it is the fan. I took mine out and ran it on the bench, various start/stop cycles directly with 12V battery. Most of the time on the bench it would work but there was the occasional time when it didn't which I think was due to damaged windings. Fan replaced and has been fine ever since. It is also a good time to ensure you are on top of the cabin filter replacement schedule. For if that is blocked it will cause the fan to work a lot harder.
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Mar 27th, 2024, 14:23 | #4 |
Austria29
Last Online: May 30th, 2024 14:07
Join Date: Nov 2013
Location: St.Leonards-on-sea
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Thanks - will have a look at the cabin filter
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Mar 28th, 2024, 20:31 | #5 |
VOC Member
Last Online: Jun 10th, 2024 19:15
Join Date: Jun 2006
Location: Selby, North Yorkshire
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This has happened to our various 70-series cars several times. Each time a replacement blower motor and resistor pack has sorted it.
It starts by running intermittently, and then not all. And you only realise how much you use the air blower when suddenly one day, you can't! Jack |
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