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DISCO3.CO.UK > Technical (D3)

Oil pump and cambelt swap.
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ds23man
 


Member Since: 19 Jan 2013
Location: Ainum
Posts: 227

Netherlands 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Never primed a new oil pump before. Not even the very big ones on a 20k HP ships engine. The are pre-lubed with grease and self suctioning. Citroen DS23IE
Audi A6 2.4 V6 Avant Quatro (1998)
Audi 80 2.6 v6 Cabriolet (1996)
John Deere 4240S
McCormick 323  
Post #223565912th Jun 2021 2:59 pm
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motorworks
 


Member Since: 14 Nov 2019
Location: Usk
Posts: 412

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Referring back to oil seal position. Recommended fitting is recessed 1mm, maybe to ensure some clearance with crank pulley. I pushed an old seal onto the seat and measured 4mm inset. I guess this provides an alternative oil seal position, allowing continued use of a crankshaft with grooves worn in the original position. Chris  
Post #223566112th Jun 2021 3:09 pm
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motorworks
 


Member Since: 14 Nov 2019
Location: Usk
Posts: 412

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

I have seen a serious loss of oil pressure on an old engine, caused by air leaking into the pickup side. It seems that a primed oil pump is not normally necessary, but for extra the time it takes there is some protection from immediate destruction on a new build. Still good practice to confirm oil pressure before firing up. Chris  
Post #223566212th Jun 2021 3:17 pm
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aja4x4
 


Member Since: 14 Apr 2019
Location: Westbury
Posts: 2463

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

I did exactly the same Thumbs Up Andrew

D3 2.7tdv6 2005
D4 3.0 SDV6 Commercial died and gone to LR heaven
D5 3.0 SDV6 HSE  
Post #223566412th Jun 2021 3:32 pm
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6308

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

There is a lot of negativity about the VR oil seals which is unfounded in my opinion, I have fitted hundreds if not a thousand of them over the years and only had one fail, and that was my fault.

If you are careful and use the correct tool they are fine.

Flack Thumbs Up  
Post #223566512th Jun 2021 3:45 pm
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D1SCD
 


Member Since: 13 Feb 2013
Location: North Yorkshire
Posts: 439

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

I have no negativity about them at all, I'm sure they're perfectly fine - it was just my personal choice to go genuine.  
Post #223566612th Jun 2021 3:49 pm
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D1SCD
 


Member Since: 13 Feb 2013
Location: North Yorkshire
Posts: 439

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3
Correct tension ?

Could anyone confirm I've tensioned the timing belt correctly please ?


  
Post #223566812th Jun 2021 3:54 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10683

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

If the raised square is in the window, which is appears to be, then yes it’s ok.  
Post #223567312th Jun 2021 4:14 pm
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6308

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

As pete has said anywhere in the winow is fine, it tends to move slighty when tighten, then do the two revolutions by hand and check it again.

Did you slacken the 6 cam bolts and take up the slack.?

Flack Thumbs Up  
Post #223569212th Jun 2021 7:37 pm
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D1SCD
 


Member Since: 13 Feb 2013
Location: North Yorkshire
Posts: 439

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Yes I did the 6 bolts Thumbs Up

Tensioner is making me a bit nervous as 24nm doesn't seem very tight - I have visions of it coming undone.

I think I've turned it about 10 revolutions by hand to make sure nothing is touching, all the locking pins still fit in, so guess it should be ok Whistle

Guess it's less worrying the more times you do it ..  
Post #223570112th Jun 2021 8:52 pm
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6308

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

Quote:
Guess it's less worrying the more times you do it ..


Flack Thumbs Up  
Post #223570512th Jun 2021 9:15 pm
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