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kmrlange Guest
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25-07-2014, 19:27 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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Hello,
There's nothing I can do; I can't get the 32mm nut off the ViscolĂŒfter (blower motor) (rotation direction: clockwise). In the process, I broke the 3212 retaining clip (see picture).
Does anyone have any ideas before I have to resort to using the torque wrench? The stock is almost empty, and since the timing chain is being replaced, I also want to replace the flange shaft bearing. I'm a bit stuck right now.
Best regards, Kai.
'Die Sonne scheint hell, und die Vögel zwitschern fröhlich. Ein leichter Wind weht durch die BÀume, und die BlÀtter rascheln leise. Es ist ein wunderschöner Tag, um spazieren zu gehen.'
'The sun is shining brightly, and the birds are chirping merrily. A gentle breeze is blowing through the trees, and the leaves are rustling softly. It's a beautiful day for a walk.'
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Translated on 25-08-2026, 23:15.
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T3Surfer Profi-Schrauber

Joined: 09/17/2004 Posts: 1833 Karma: +34 / -0 Location: Frankurt 2001 Seat Toledo Premium Support
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25-07-2014, 20:50 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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 Oops... it should be opened counter-clockwise!
Tip: Use a hot air gun or a small soldering iron to get it off!
NA,Gehörlose wie ich können auch Schrauben! Ihr HĂRT ich FĂHLE! T3 TD EX-JX Jetzt 1Z mit 122PS und Renaultgetriebe Golf II TD Bj 84 512Tkm Passi 35I 1Z 468Tkm--> Seat Toledo AHF-- Toledo ARL 477Tkm mit Spritspartuning  99er T4 Syncro-Cross 100800km grad eingefahren
Translated on 25-08-2026, 23:16.
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kmrlange Guest
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25-07-2014, 20:53 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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Great. I was told 'right-hand thread' because it's a left-hand thread...
Luckily, my son emptied the butane torch, probably to use it for his silly shisha coals.
Translated on 25-08-2026, 23:17.
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T3Surfer Profi-Schrauber

Joined: 09/17/2004 Posts: 1833 Karma: +34 / -0 Location: Frankurt 2001 Seat Toledo Premium Support
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25-07-2014, 21:00 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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Hmmmm, which car are we talking about here? Isn't there an Allen screw on the back, near the water pump? If so, the Allen screw is opened to the LEFT. If there's a thick nut behind the fan, it's opened to the RIGHT, I hope I'm not mistaken  .
NA,Gehörlose wie ich können auch Schrauben! Ihr HĂRT ich FĂHLE! T3 TD EX-JX Jetzt 1Z mit 122PS und Renaultgetriebe Golf II TD Bj 84 512Tkm Passi 35I 1Z 468Tkm--> Seat Toledo AHF-- Toledo ARL 477Tkm mit Spritspartuning  99er T4 Syncro-Cross 100800km grad eingefahren
Translated on 25-08-2026, 23:17.
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kmrlange Guest
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25-07-2014, 21:49 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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Nicht geirrt! 1000 Dank.  Linksrum ging sie auf. Ist ja auch die Drehrichtung des Visko. Etwas WD40 und warmgemacht. A6 C4 TDI Quattro. MKB = AEL
So nun nicht genug der Probleme... I would like to.
I need to replace the bearing. But how do I get to the bearing?
Does the entire bracket need to be removed for the Klima and Lima components? Will it be accessible then?
Best regards, Kai.
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Translated on 25-08-2026, 23:18.
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kmrlange Guest
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25-07-2014, 22:25 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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Here's what the carrier 046903143C looks like from the bottom... (image)
It seems like this is only available as a complete set with storage. Hmm.
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Translated on 25-08-2026, 23:19.
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Autoservice Profi-Schrauber


Joined: 04/14/2012 Posts: 2130 Karma: +99 / -0 Location: NĂ€he DĂŒsseldorf
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25-07-2014, 22:36 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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Vehicle data..... 
LG, Onkel BM
*Nichts ist einfacher, als sich schwierig auszudrĂŒcken......*
**Technische Fragen bitte ins Forum und nicht in mein Postfach**
Translated on 25-08-2026, 23:19.
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mullemaus Guest
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25-07-2014, 22:49 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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Vehicle data...
A6 C4 TDI Quattro. Engine code: AEL.
Translated on 25-08-2026, 23:19.
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Autoservice Profi-Schrauber


Joined: 04/14/2012 Posts: 2130 Karma: +99 / -0 Location: NĂ€he DĂŒsseldorf
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25-07-2014, 23:00 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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Depending on the VIN, there are likely two variants: one with a fitting and one without.  If there is no fitting, a single bearing is also not offered. }
LG, Onkel BM
*Nichts ist einfacher, als sich schwierig auszudrĂŒcken......*
**Technische Fragen bitte ins Forum und nicht in mein Postfach**
Translated on 25-08-2026, 23:20.
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mullemaus Guest
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25-07-2014, 23:05 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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Remove it with a puller and press it back in?
Translated on 25-08-2026, 23:20.
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Autoservice Profi-Schrauber


Joined: 04/14/2012 Posts: 2130 Karma: +99 / -0 Location: NĂ€he DĂŒsseldorf
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25-07-2014, 23:08 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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That makes sense. It's already broken anyway, so I have nothing to lose.
LG, Onkel BM
*Nichts ist einfacher, als sich schwierig auszudrĂŒcken......*
**Technische Fragen bitte ins Forum und nicht in mein Postfach**
Translated on 25-08-2026, 23:20.
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kmrlange Guest
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25-07-2014, 23:41 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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hm...
The plate, including the thread, is a single piece and appears to be pressed onto the shaft. Is it possible to remove it?
I'll need to get a puller.
But then the storage unit needs to be removed. Has anyone ever disassembled one of these before?
Best regards, Kai.
Translated on 25-08-2026, 23:21.
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kmrlange Guest
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26-07-2014, 11:14 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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I can't get to it with the puller. The flange won't come off the shaft. I've even tried heating it up.
So, NEW...
It appears that model 046 903 143C has been replaced by model 046 903 143 D and costs a hefty 389 EUR plus VAT.
Does anyone have good deals on spare parts from the VAG group?
Best regards, Kai.
Translated on 25-08-2026, 23:21.
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mullemaus Guest
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26-07-2014, 11:44 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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I wouldn't feel compelled to install anything new on that old car.
http://www.ebay.de/itm/Audi-100-C4-A6-C4-MKB-AAT-2-5l-Tdi-Viscolufter-Halter-4A0121350-046903143-/190918400241?pt=DE_Autoteile&hash=item2c739f98f1

Translated on 25-08-2026, 23:22.
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Herbert Profi-Schrauber

Joined: 06/22/2005 Posts: 4615 Karma: +1334 / -0
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26-07-2014, 12:32 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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"Can't the flange and shaft be pulled out together? They don't necessarily have to be separated. You would need to create a device that rests on two bolts through the holes and against the flange, and then pushes the latter outwards. There's probably a needle bearing inside, which might be available as a standard part. Before pulling it out, measure the insertion depth and the distance to the housing!"
hg
Herbert.
Horch A4 8K CJCD
Golf 7 DDYA
(+ Audi 80 Avant B4 1Z 475Tkm - habe ich vom ersten bis zum letzten Tag gerne gefahren)
(+ Passat Variant 32B CY 400Tkm)
Translated on 25-08-2026, 23:23.
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kmrlange Guest
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26-07-2014, 20:10 Subject: Viscous Fan Screw Stuck / Jamshed Defective |
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There are people who put a lot more money into even much older cars...  I want to continue driving it in 2025 with an H-plate (historical vehicle registration). That part from eBay is probably just as finished as mine. } What would be the point then?
I have such low running costs with the A6 that I can afford to replace parts occasionally. Instead of having to improvise with tools and uncertain results, I just get a new part.
Falls jemand jedoch 10-20% beim VAG bekommt möge er sich melden. Sure.
Best regards, Kai.
Translated on 25-08-2026, 23:24.
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