Water Pump Pulley Removal Help - Defender Source
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  #1  
Old February 16th, 2015, 09:51 AM
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Water Pump Pulley Removal Help

I need to replace my water pump but cannot figure out how to remove the center nut (the center nut is round with a groove in it on "one side"). Is there a special tool I need? I have search the internet but no luck.

3.5 engine
I have no viscous fan.
I have a dual pulley.
The 4 studs on the water pump have no nuts on them so I am assuming the center nut is the only thing holding the pulley on.
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  #2  
Old February 16th, 2015, 06:06 PM
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Old February 17th, 2015, 07:40 AM
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So no one has any suggestions? I was thinking maybe cutting the pulley off.
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  #4  
Old February 17th, 2015, 08:05 AM
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Hey I have the same motor in my Range Rover 2dr when i get down to my shop i will take a look and see if i can come up with a plan that will help you in any way
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Old February 17th, 2015, 08:55 AM
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It's been a long while since I did that on a vee-belt 3.5, but I thought the pulley came off after you took the four fan bolts out....

No?

KAA
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Old February 17th, 2015, 09:01 AM
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The four studs do not, never had nuts on the studs, so I do not believe that is what is holding the pulley on. Unless it is rusted on and I am just lucky it has not come off.
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Old February 17th, 2015, 10:19 AM
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could it be bolted in from the inside????
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Old February 17th, 2015, 10:35 AM
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Shoot...it's not like the SD1 then?

http://www.rimmerbros.co.uk/Item--i-GRID008904

------ Follow up post added February 17th, 2015 09:40 AM ------

How about this one... http://www.rimmerbros.co.uk/Item--i-STC1611

Looks like there's (a) plenty of surface ares to rust on, and (2) some teeny fastners on the flange at the back.
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Old February 17th, 2015, 05:24 PM
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Quote:
Originally Posted by ron View Post
could it be bolted in from the inside????
Not bolted from the inside as there is no room. Just checked.
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  #10  
Old February 17th, 2015, 07:31 PM
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I don't know if it's different btw. a 3.5 and a 3.9 but on mine it's 4 bolts. Not studs, bolts. That's the only thing holding it on. Maybe someone snapped the heads off before you?
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  #11  
Old February 17th, 2015, 08:17 PM
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I have no idea; but can you pull the water pump to get it off and look? I bet the boots sheered or only the belt is holding it on.
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  #12  
Old February 18th, 2015, 09:35 AM
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Quote:
Originally Posted by usadventureracing View Post
The four studs do not, never had nuts on the studs, so I do not believe that is what is holding the pulley on. Unless it is rusted on and I am just lucky it has not come off.
Have you tried some penetrating oil & some gentle persuasion with a hammer?
I have a 3.5 in the Classic but it looks nothing like that pulley. Why do you not have a fan?
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Old February 18th, 2015, 10:10 AM
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I have an electric fan.
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Old February 18th, 2015, 01:26 PM
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Quote:
Originally Posted by usadventureracing View Post
I have an electric fan.
Well that makes sense.

If it comes to itů. I can pull the pulley from my old RRC 3.5 for you.
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Old February 18th, 2015, 05:48 PM
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No, please do not pull the pulley, but thank you. When it warms up a little bit I am going to remove the belt and see it I can remove it by tapping it off as maybe the bolts where just cut off and the tension of the belt is keeping it attached.

Thanks for all the replies.
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Old February 21st, 2015, 04:32 PM
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Got the pulley off, nothing was holding it on but rust and the belt. Anyone know what pump I have based on the pictures. I have included a picture of the pulley, it is a double pulley.Click image for larger version

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ID:	114297Click image for larger version

Name:	uploadfromtaptalk1424554351478.jpg
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  #17  
Old February 21st, 2015, 05:26 PM
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Is this it?...looks pretty close and I can't see the entire bolt pattern from your picture.

Rover V8 Landrover V8 Water Pump | eBay
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  #18  
Old February 21st, 2015, 05:33 PM
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Old February 21st, 2015, 05:46 PM
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Thanks so this is stc1611 there looks to be a difference or is mine missing parts?Click image for larger version

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  #20  
Old February 21st, 2015, 05:51 PM
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Quote:
Originally Posted by usadventureracing View Post
Thanks so this is stc1611 there looks to be a difference or is mine missing parts?Attachment 114307
aftermarket but same part no. Parts tend to change over 30 years. The pulley would simply bolt to the face of the one pictured.
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