fan will not unbolt

WURZAL THE LANDY · Mar 28, 2015

Ok I am getting really really ****ed off now I cant get the nut to undo the pulley just keeps turning. I've tried tightening up the belt, jamming a cloth between the pulley and belt. What is the best way to hold the pulley or should I just undo the 3x 10mm bolts and remove the lot and and fight with it out of the car.
I have tried both directions as I'm getting a bit confused on the right one so maybe I have made it worse but the belt slipped if I try to turn it by hand from the start.

ukadamwest · Mar 28, 2015

I use Laser Tool 5591

Druim · Mar 28, 2015

WURZAL THE LANDY said:
Ok I am getting really really ****ed off now I cant get the nut to undo the pulley just keeps turning. I've tried tightening up the belt, jamming a cloth between the pulley and belt. What is the best way to hold the pulley or should I just undo the 3x 10mm bolts and remove the lot and and fight with it out of the car.
I have tried both directions as I'm getting a bit confused on the right one so maybe I have made it worse but the belt slipped if I try to turn it by hand from the start.

There is a search function on board

Which way to turn depends on diesel petrol and you don't tell

wammers · Mar 28, 2015

Place good spanner on nut and sharp taps with a 1 pound hammer to the left looking from front of car. I note you have a petrol engined car.

ukadamwest · Mar 28, 2015

Viscous fan coupling bolt 36 mm, on a petrol it's anti-clock to undo. When i did mine for the first time, Grit Valve came to give me a hand.. it was beeyatch to undo. took one of us to lock the pulley and the other smack the wrench with a club hammer.

When it went back together, it had copper grease on the thread, consquently when undoing it yesterday, it only took a light tap to undo.

the new viscous fan went on today with copper grease on the thread... for future !

wammers · Mar 28, 2015

Viscous fans ALWAYS undo in the direction the fan spins. Some day someone will listen to that advice and take notice.

ukadamwest · Mar 28, 2015

you may want to try shocking the thread with a chisel.. or copious amounts of release oil and let it soak it.

WURZAL THE LANDY · Mar 28, 2015

Yes I know I tried the search function but there is quite a few threads that seem to say different views on a petrol hence my confusion. I have been trying to turn it to the left but like I said the pulley is slipping on the belt and needed help with that.

I have soaked with release oil but that didn't do much good looks like I'm buying a new tool like ukadamwest's and try it again.

ukadamwest · Mar 28, 2015

WURZAL THE LANDY said:
Yes I know I tried the search function but there is quite a few threads that seem to say different views on a petrol hence my confusion. I have been trying to turn it to the left but like I said the pulley is slipping on the belt and needed help with that.

I have soaked with release oil but that didn't do much good looks like I'm buying a new tool like ukadamwest's and try it again.

As a tip.. you *will* need two people. one to hold the pulley tool on the bolts, the other to smack the wrench with a hammer...

otherwise you'll end up holding the pulley tool on with your right hand and trying to reverse hit the wrench with your left, you wont get much force like that and end up smacking your A/C compressor pulley and other associated bits !

Datatek · Mar 28, 2015

ukadamwest said:
As a tip.. you *will* need two people. one to hold the pulley tool on the bolts, the other to smack the wrench with a hammer...

otherwise you'll end up holding the pulley tool on with your right hand and trying to reverse hit the wrench with your left, you wont get much force like that and end up smacking your A/C compressor pulley and other associated bits !

I wedged my home made locking tool on the chassis leg, made no difference it still wouldn't undo. ended up resorting to hammer and chisel

ukadamwest · Mar 28, 2015

looks like I'm buying a new tool like ukadamwest's and try it again.

get the laser viscous fan wrench as well.. (1144)
Two common sizes of spanner head for Viscous Fan removal on one tool. OEM: 3312.

Double sizes. Viscous fan removal.
Sheathed shaft.
36mm suitable for Range Rover P38 (95-02) Land Rover Discovery V8 (98-04).
32mm suitable for BMW and Land Rover 2.5 Tdi/300 Tdi.
Can be used on LH thread.

ukadamwest · Mar 28, 2015

Datatek said:
I wedged my home made locking tool on the chassis leg, made no difference it still wouldn't undo. ended up resorting to hammer and chisel

i tried that too. the pulley lock tool kept bouncing off .. a right old frigging palava !

wammers · Mar 28, 2015

ukadamwest said:
get the laser viscous fan wrench as well.. (1144)
Two common sizes of spanner head for Viscous Fan removal on one tool. OEM: 3312.

Double sizes. Viscous fan removal.
Sheathed shaft.
36mm suitable for Range Rover P38 (95-02) Land Rover Discovery V8 (98-04).
32mm suitable for BMW and Land Rover 2.5 Tdi/300 Tdi.
Can be used on LH thread.

They are as useful most of the time as tits on a Mars bar. You need a proper spanner and a hammer. Never failed me yet.

ukadamwest · Mar 28, 2015

tits on a mars bar or the spanner and hammer ?

wammers · Mar 28, 2015

ukadamwest said:
tits on a mars bar or the spanner and hammer ?

That spanner is a bloody joke. Viscous fans that have been on a while are only very rarely undoable by hand unless you are bloody Popeye, you are more than likely to open that spanner up with any force applied to it. You need a proper spanner with some weight to it and an hammer to shock it. Works all the time every time.

tomcat59alan · Mar 28, 2015

wammers said:
That spanner is a bloody joke. Viscous fans that have been on a while are only very rarely undoable by hand unless you are bloody Popeye, you are more than likely to open that spanner up with any force applied to it. You need a proper spanner with some weight to it and an hammer to shock it. Works all the time every time.

They are not hitting it hard enough obviously.

N2O · Mar 28, 2015

Or Hammer is too light.

ukadamwest · Mar 28, 2015

When i nod my head you hit it with the hammer !

wammers · Mar 28, 2015

ukadamwest said:
When i nod my head you hit it with the hammer !

Hand on i'll go and get my 14 pounder.

stopover · Mar 28, 2015

You need one to hold the three bolts and one to remove the nut

Land Rover Viscous Fan Tool : LRT-12-093 + LRT-12-094 | eBay

For many years, especially Classics, I used a small diameter steel cable that had a swaged end that just fitted over one of the bolts the cable was just long enough to go round a chassis leg leaving me to use a suitable sized spanner and hammer if needed to undu the nut

fan will not unbolt

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