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Tabbed Bearings for D4
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defector
 


Member Since: 23 Feb 2009
Location: Greater Manchester
Posts: 1419

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3
Tabbed Bearings for D4

The Main bearings being used in the latest D4 engines are tabbed bearings to prevent spinning in the housing.
I am led to believe that these were used from either 2010 or 2011 although i have only been told this by someone who provided me with bearings for my engine.
If anybody has taken apart a late D4 engine they will be able to confirm this.

Also i believe that the bearings for the mains and bigends are now sputtered bearings which are more suitable to high performance engines and therefore take higher loadings.

  
Post #16034562nd Feb 2016 12:57 pm
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10463

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

Many thanks - very interesting.

Where please can one acquire these bearings - could they be retrofitted to an earlier engine?

NJSS
 Am I Gammon or Woke ? - I neither know nor care.

2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric or H2 fuel cell - yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t. 
 
Post #16035022nd Feb 2016 2:35 pm
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Naks
 


Member Since: 12 Jul 2010
Location: Stellenbosch, Republic of the Western Cape
Posts: 756

South Africa 2011 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

it would be valuable to know from which VIN they started using these.
 --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: http://bit.ly/22l8YHh
Range Rover/Sport L320/L322/L494 Workshop Manual: http://bit.ly/2iH7jgG 
 
Post #16035112nd Feb 2016 3:09 pm
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defector
 


Member Since: 23 Feb 2009
Location: Greater Manchester
Posts: 1419

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

I got them from a supplier on eBay who has the genuine 2.7 and 3.0 crankshafts.
Only the Mains bearing is tabbed and to fit them to the earlier engine the Mains cap will need to be machined to accept the tab
, that is what I intend to do with mine.
  
Post #16035432nd Feb 2016 4:38 pm
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10463

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

Thanks defector

Can you please post a link to the supplier.

Your profile isn't complete; are you fitting to an early D4 or a D3 ?

NJSS
 Am I Gammon or Woke ? - I neither know nor care.

2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric or H2 fuel cell - yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t. 
 
Post #16035572nd Feb 2016 4:57 pm
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defector
 


Member Since: 23 Feb 2009
Location: Greater Manchester
Posts: 1419

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Yes I will try and put a link later.
My discovery is a 2.7 D3 08 MY
  
Post #16035602nd Feb 2016 5:01 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8041

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

NJSS wrote:
Many thanks - very interesting.

Where please can one acquire these bearings - could they be retrofitted to an earlier engine?

NJSS


Bearing caps would have to be machined out to accept the tabs.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #16036382nd Feb 2016 7:00 pm
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CUCO
 


Member Since: 26 May 2011
Location: Spain & Oleee!!!
Posts: 609

Spain 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

Start stop are in mind of the engineers that design the engine and put this bearings into. The start stop work harder on bearings because dry starts and althought compression and radial force when tightening bearing cap are main reasons for not moving, the bearing tab help keeping the bearings at place too.
  
Post #16036912nd Feb 2016 7:53 pm
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defector
 


Member Since: 23 Feb 2009
Location: Greater Manchester
Posts: 1419

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

http://www.ebay.co.uk/itm/331760556056?_tr...EBIDX%3AIT

This is the link to crankshaft and bearings.
  
Post #16049355th Feb 2016 1:19 am
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10463

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

Interesting:-

Quote:
£750 BUY IT NOW PRICE.


Quote:
£600 CASH ON COLLECTION FROM LONDON.



NJSS
 Am I Gammon or Woke ? - I neither know nor care.

2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric or H2 fuel cell - yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t. 
 
Post #16049555th Feb 2016 7:56 am
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defector
 


Member Since: 23 Feb 2009
Location: Greater Manchester
Posts: 1419

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

He has raised the price by £100 since last listing Shocked

Obviously cash is king as he saves on ebay fees and paypal fees as well as post and packing costs as they are heavy. (All these fees and charges sure do add up)

I had a call from a jaguar parts specialist a couple of days ago as i had asked them if they could get the official crankshafts but at the time they couldn't. They said - like many others - that they could not get the cranks from Jaguar as none in the country and none being supplied at the moment, but that they had found an alternative supplier for genuine cranks and bearings and would i like to pay them £850 Big Cry Big Cry .

I declined.
The official dealer list price for the Jaguar crank is £232 + VAT (if you can get hold of one).
  
Post #16049965th Feb 2016 9:44 am
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defector
 


Member Since: 23 Feb 2009
Location: Greater Manchester
Posts: 1419

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Precision engineering carried out to the main bearing caps to take the tabbed bearings Mr. Green

This was carried out using a state of the art bio-mechanically controlled............. Dremel machine Rolling with laughter Rolling with laughter




  
Post #161291720th Feb 2016 2:36 am
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