Viscous Fan Removal?

AlexxLush · Mar 7, 2010

Could someone please help me; I am unsure how to remove the viscous fan - I have got the right sized spanner but no matter what I do I cant manage to stop the fan from fan pulley from turning whilst I am trying to undo the nut. Is there are special way?

Many thanks for any help

Datatek · Mar 7, 2010

Stillson wrench! You do know it's a left hand thread I suppose?

AlexxLush · Mar 7, 2010

Thanks datatek, I thought it was left hand thread but I was searching the forum before I posted my question and it had a post saying that it was a normal hand thread..... now I am unsure..... Wondering if it differs between Thor and Gems...??

wammers · Mar 7, 2010

L/H thread. A sharp tap on spanner should do the trick.

paddocks1967 · Mar 7, 2010

if you put a big screwdriver between the two bolts on water pump, you should be able to stop the fan from spinning as you undo fan.

AlexxLush · Mar 7, 2010

paddocks1967 said:
if you put a big screwdriver between the two bolts on water pump, you should be able to stop the fan from spinning as you undo fan.

many thanks paddocks, can now get back to taking the rad off

Derek Ward · Mar 7, 2010

According to Rave, the Viscous coupling is a RH thread (Sect 26 Cooling System). I think Irish also said it was a RH thread and he's the man

wammers · Mar 7, 2010

Derek Ward said:
According to Rave, the Viscous coupling is a RH thread (Sect 26 Cooling System). I think Irish also said it was a RH thread and he's the man

That would depend whether the motor was a V8 or a BMW diesel R/H V8, L/H BMW.

Derek Ward · Mar 7, 2010

You're not wrong old bean! Stupidly assumed they'd be both the same. Cheers for the correction.

Freddie-M · Mar 7, 2010

I was told that if you look at the fan from the top, the way the blades are pointing - towards you and left (drivers side) on my engine - is the way to hit the spanner!

wammers · Mar 7, 2010

Derek Ward said:
You're not wrong old bean! Stupidly assumed they'd be both the same. Cheers for the correction.

No problem Derek. My stupidity assumed it was a diesel.

robp38 · Mar 7, 2010

mine was definately a right hand thread when i took it of last week (v8)

AlexxLush · Mar 7, 2010

Mines a V8 RHD - still not got the fan off yet as I dont have a long enough screwdriver to hold the water pump pulley in place.

robp38 · Mar 7, 2010

get a long bit of metal to use as a drift and give it a good tap then it should undo... couldnt shift mine until it had a whack..

AlexxLush · Mar 7, 2010

robp38 said:
get a long bit of metal to use as a drift and give it a good tap then it should undo... couldnt shift mine until it had a whack..

Thanks Rob will do

wammers · Mar 7, 2010

AlexxLush said:
Thanks Rob will do

As i said much earlier put spanner on nut and give spanner a sharp tap with an hammer. In correct direction of course. Works 11 times out of 10.

AlexxLush · Mar 7, 2010

wammers said:
As i said much earlier put spanner on nut and give spanner a sharp tap with an hammer. In correct direction of course. Works 11 times out of 10.

Aha so you did wammers! I had missed that one - sorry. Direction = minor detail really

wammers · Mar 7, 2010

AlexxLush said:
Aha so you did wammers! I had missed that one - sorry. Direction = minor detail really

Yeah sorry about that, mines a diesel you see. Can't think why anyone would have anything else. Not rocket science to look which direction fans turns and undo in same direction.

.

cbrr3 · Jul 15, 2010

So after reading all that, I still can't get the friggin' fan unit off -

300Tdi and I made a tool to lock up the water pump pully and the whole belt slips when I tw*t it with a hammer.

Two questions -

Which way should I be tw*tting the spanner (I assume to the right

)

Where do I go if it won't come off

Cheers all

Rob

wammers · Jul 15, 2010

cbrr3 said:
So after reading all that, I still can't get the friggin' fan unit off -

300Tdi and I made a tool to lock up the water pump pully and the whole belt slips when I tw*t it with a hammer.

Two questions -

Which way should I be tw*tting the spanner (I assume to the right)

Where do I go if it won't come off

Cheers all

Rob

All viscous fans undo in the same direction that they turn.

Viscous Fan Removal?

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