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Oil pump change...how to open the Crankshaft pulley?
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Markland
 


Member Since: 16 May 2015
Location: 80085 Pebkac Terrace
Posts: 163

2007 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3
Oil pump change...how to open the Crankshaft pulley?

Hi everybody!
I'm in the middle of changing my oil pump. Pinned the camshaft wheels and slackened the cam belt.
Now I failing by opening the crank shaft bolt and releasing the pulley to get trough to the oil pump.
I modified my 36mm spanner by drilling a hole in it to make it a blocking tool.

But it didn't work out.
I know from the workshop manual and flacks how to that the bolt is tightened 100 Nm plus a quarter turn. And to be be right threaded.

So I wanted to ask the almighty community for their tipps n tricks to get this done.

I don't have the Crankshaft securing pin on already because of darkness coming and I didn't have enough light to get the starter out yet.
Is it ok, to block the Crankshaft with this tool and than try with full force try to lever open then bolt?

Is making a blocking tool like in flacks how to the only way?
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Post #179010211th Mar 2017 8:14 pm
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Robbie
 


Member Since: 05 Feb 2006
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

My largest 3/4" drive ratchet next to my smallest breaker bar:

Click image to enlarge


I'm not going to comment on the homemade locking tools, but the crank bolt is seriously tight, only my massive 3/4" drive will do the job.

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Post #179010711th Mar 2017 8:26 pm
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PeterHorten
 


Member Since: 20 Aug 2013
Location: Innsbruck
Posts: 17

Austria 2007 LR3 TDV6 SE Auto Zermatt SilverLR3

Pulley has no key, I would not do it without the locking tool through the starter motor hole. Too risky cranking the shaft.
  
Post #179010911th Mar 2017 8:30 pm
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6232

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

You need to use the flywheel locking tool as its the only way to make sure you do not move the crank, that tool you mention has long gone in the scrap bin.

You will need a large bar or something like what Robbie has posted, I have the same ratchet as the one shown by Robbie and even then its still tight to slacken off the crank bolt.


Flack Thumbs Up
  
Post #179011111th Mar 2017 8:34 pm
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DN
D3 Decade 


Member Since: 24 Jun 2006
Location: W.London.
Posts: 2294

Ukraine 2006 Discovery 3 TDV6 Base 7 Seat Auto Zambezi SilverDiscovery 3



You MUST lock the crankshaft, I took the starter off, and used a 'Laser 4273' kit locking pin in the drive plate (which fitted perfectly), that is plenty strong enough, you certainly don't need the extortionate LR locking tool which engages with the starter ring. I also found that heating the pulley bolt a little with a plumbers blow torch made the bolt quite easy to undo, of course you don't do that when doing the new one up to the correct torque + 90 degrees. Thumbs Up
 D3 owned from new, P017 brake recall, BAS FBHIC, new FBH, LR013487 oil pump, new water pump. RRS front lower suspension arms. New suspension compressor/ relay. New Denso alternator. CuNifer rear brake pipes. New GKN rear propshaft. New HPFP belt & tensioner. New A/C Condenser.NO WARRANTY for many many years. 

Last edited by DN on 11th Mar 2017 11:06 pm. Edited 7 times in total 
Post #179011211th Mar 2017 8:35 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
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Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

1/2" breaker bar with a jack handle over the end of it Thumbs Up
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Post #179011411th Mar 2017 8:37 pm
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6232

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

Quote:
1/2" breaker bar with a jack handle over the end of it


Mikey I broke two 1/2 " breaker bars undoing the crank bolt, I use a 3/4" one now.. and its done a few hundred now..

Flack Thumbs Up
  
Post #179013111th Mar 2017 8:58 pm
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Markland
 


Member Since: 16 May 2015
Location: 80085 Pebkac Terrace
Posts: 163

2007 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Thank You guys!

So this:
http://www.island-4x4.co.uk/flywheel-locki...-6724.html
And
1/2"-breaker bar will possibly do the job?!

I just felt like asking, cause didn't felt like ruining something with a stupid mistake.

Thought 've read a lot about it, so was wundering why I didn't read statments about I have to "be with the force"

Would invite You all for having a beer, if You were hear now!
Thumbs Up
Cheers
Markus
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Post #179014011th Mar 2017 9:15 pm
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jp1
 


Member Since: 29 Jan 2020
Location: Cornwall
Posts: 17

England 

Disco_Mikey wrote:
1/2" breaker bar with a jack handle over the end of it Thumbs Up


Just wanted to say thanks, this worked a treat for me today trying to get crank bolt undone on my 06 L320
 

Last edited by jp1 on 17th Jan 2022 12:42 pm. Edited 1 time in total 
Post #227321916th Jan 2022 9:35 pm
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Juan Jose
 


Member Since: 21 Jan 2018
Location: Madrid
Posts: 32

Spain 2008 Discovery 3 TDV6 S Manual Causeway GreyDiscovery 3

Hello:

For a long time the general recommendation is to change the oil pump when changing the belts
The query is: in which case is it necessary to change the crankshaft pulley?

Thanks
  
Post #227326217th Jan 2022 1:08 am
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DN
D3 Decade 


Member Since: 24 Jun 2006
Location: W.London.
Posts: 2294

Ukraine 2006 Discovery 3 TDV6 Base 7 Seat Auto Zambezi SilverDiscovery 3

No need to change the crankshaft pulley ( unless it is worn or damaged), but the front oil seal, and the critical securing bolt that clamps the crankshaft pulley to the crankshaft, must be replaced ( can only be used once). Thumbs Up
 D3 owned from new, P017 brake recall, BAS FBHIC, new FBH, LR013487 oil pump, new water pump. RRS front lower suspension arms. New suspension compressor/ relay. New Denso alternator. CuNifer rear brake pipes. New GKN rear propshaft. New HPFP belt & tensioner. New A/C Condenser.NO WARRANTY for many many years.  
Post #227326417th Jan 2022 1:16 am
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ronald.soak
 


Member Since: 29 Apr 2008
Location: London
Posts: 516

England 2005 Discovery 3 TDV6 S Manual Chawton WhiteDiscovery 3

My post edited. Almost word for word as DN posted 4 minutes earlier.
  
Post #227326517th Jan 2022 1:20 am
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Juan Jose
 


Member Since: 21 Jan 2018
Location: Madrid
Posts: 32

Spain 2008 Discovery 3 TDV6 S Manual Causeway GreyDiscovery 3

Hello:

Ok,

For a 2.7 engine on D4, 2010 should have M14 or M16 bolt?

Thanks
  
Post #227327317th Jan 2022 3:14 am
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4647

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

It "should" be an M16 from 2009> but better to check it. Thumbs Up
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Post #227328117th Jan 2022 9:00 am
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