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Correct Engine Oil - D3 2004 High Mileage
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cmb2020
 


Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

United Kingdom 2005 Discovery 3 TDV6 SE Manual Aintree GreenDiscovery 3
Correct Engine Oil - D3 2004 High Mileage

Hi all

I’m after a definitive answer on the best oil for my 2004 discovery 3 which is on 200,000 miles.

I used this last time, and same again for this next due oil change at 6000 miles. See image. Mannol 5w30 a3b3 7511 engine oil with a Bosch filter



HOWEVER

I am told on Facebook groups that I should be using different types and never ever seem to get the factual best oil

Can someone on this forum please give me the brand and type of oil if this is not correct. Or confirm if the one I’ve just bought again is the correct one?

Thanks
 Disco 3 SE Manual 2005 V6 2.7
Buckley, North Wales 
 
Post #230836322nd Sep 2022 2:06 pm
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Captain Crosscheck
 


Member Since: 03 Sep 2021
Location: Oslo
Posts: 302

Ukraine 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

This is going to cause a storm...
*Takes cover and brings popcorn*
  
Post #230836622nd Sep 2022 2:14 pm
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Devon Z
 


Member Since: 14 Nov 2019
Location: Brixham Devon
Posts: 238

England 

Oooo this will be interesting 😬😬😬
 Steve

*2005 RR Sport 2.7tdv6 HSE. Current project.
*98 Volvo V70R FWD, owned 14 years, future project.
*99 BMW Z3 30k miles owned from new. 
 
Post #230836922nd Sep 2022 2:28 pm
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Moo
D3 Decade 


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Ukraine 2005 Discovery 3 TDV6 S Manual Zambezi SilverDiscovery 3

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Post #230837122nd Sep 2022 2:31 pm
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cmb2020
 


Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

United Kingdom 2005 Discovery 3 TDV6 SE Manual Aintree GreenDiscovery 3

I did watch the videos today but didnt get solid answer

Says 5w40 but is that a3b3 still?

Why is 5w40 better?
 Disco 3 SE Manual 2005 V6 2.7
Buckley, North Wales 
 
Post #230838422nd Sep 2022 4:07 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10337

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

I’ll put my head above the parapet

Well I think you are using the correct oil as specified in the manual, so that’s a good start.

5w40 is thicker. So I think the theory is that the thicker oil takes up the gap on a worn engine.

Others say on modern engines shouldn’t need a grade change when they get older.

In reality it probably doesn’t make a lot of difference.

and yes that would still be A3 or B3 assuming it’s available
  
Post #230839922nd Sep 2022 5:41 pm
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riverblanche
 


Member Since: 31 Aug 2010
Location: retford'ish
Posts: 2206

England 2008 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Hi,

does the Mannol meet WSS-M2C913(D or C) Question 5W-30 is the correct grade

My D3 got 5W-30 WSS-M2C913-D A5/B5 and was Smith and Allens brand

Thumbs Up
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Post #230840122nd Sep 2022 6:04 pm
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Mastertech
 


Member Since: 13 Apr 2014
Location: North East
Posts: 126

England 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

Forget about grade and look at HTHS. You need a oil that’s over 3.5, a 3.8 would be even better. I would buy this oil. It’s got VW511, Porsche C40 and MB 229.51 and 2 which are all very stringent approvals.

https://www.mobil.co.uk/en-gb/product/mobil-1-esp-x3-0w-40/

If you want a oil that has a HTHS of 3.5 and a diesel approval then go for a VW 504/507 spec oil.

Just my opinion.
  
Post #230842622nd Sep 2022 8:18 pm
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cmb2020
 


Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

United Kingdom 2005 Discovery 3 TDV6 SE Manual Aintree GreenDiscovery 3

See I’m getting told a5b5 elsewhere now by a good source

Or the Mobil 3000 5w30 XE from Halfords

I’m told this red Mannol a3b3 is wrong on Facebook but correct on here

I’d rather not add a thicker oil than required. Just want to get the correct if it’s a3b3 or a5b5 or equivalent
 Disco 3 SE Manual 2005 V6 2.7
Buckley, North Wales 
 
Post #230844123rd Sep 2022 12:00 am
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RichardK
 


Member Since: 18 Jan 2006
Location: Western Australia
Posts: 295

Australia 2009 Discovery 3 TDV6 S Auto Atacama SandDiscovery 3

I started using a Penrite 5W30 but switched on advice by my Indie to Penrite 5W 40.
The engine has now done 410K KMS and pulls like a train.

Cheers
RichardK
 2009 Discovery S 3, BAS tune, EGR Delete, ARB winch bar, Milemarker hyd winch, HF and UHF radios, Rear spare wheel carrier, Roof rack,
Touring: Australian Offroad Matrix IV Camper 
 
Post #230844323rd Sep 2022 3:11 am
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Yankee_Rover
 


Member Since: 02 Jun 2021
Location: Seattle
Posts: 183

United States 2008 LR3 4.4 V8 HSE Lux Auto Zermatt SilverLR3

Here’s the ACEA grading spec if you want to put yourself to sleep:

https://www.acea.auto/uploads/news_documen...s_2016.pdf

This gets revised every few years. The latest version (2021) discontinued A3/B3. The 2016 is an old version, but I linked it because it shows how A3/B3 compares to A5/B5.

It would be nice if JLR provided updated recommendations. The suggested in-spec oil for my NAS V8 hasn’t been available for 15 years.
 2008 LR3 HSE, 4.4L V8  
Post #230844423rd Sep 2022 3:53 am
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20713

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

5W30 A5 is the correct spec for a non DPF D3/4

5W30 C1 is the correct spec for a DPF equipped D3/4

Where these are not available, other grades can be used, such as 5W40 etc

We use C1 in everything 2.7/3.0, without issue. Some we have seen run upto (and over) 300k miles without issue Thumbs Up
 My D3 Build Thread

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Post #230844523rd Sep 2022 4:09 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10337

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Mobil is expensive for what it is.
C1 can be more expensive.

So I would say you are better off using your money to change more often. Using something starting with A or B.

Did you fix your fan issue by the way? Did fitting a fuse sort it?
  
Post #230847523rd Sep 2022 8:14 am
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cmb2020
 


Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

United Kingdom 2005 Discovery 3 TDV6 SE Manual Aintree GreenDiscovery 3

Disco mikey:
Manual says a3b3 OR conform to : WSS-M2C913-B
Is the above code basically a5b5?
Thanks

Pete k:
Not yet it’s winding me up mechanic says it’s supposed to activate when I rev. He’s adamant it’s the thrust bearing. But I’m 1000000% certain it’s the fan and it shouldn’t activate when I rev over 2k

Plan to test the wires as per your reply when I get a chance. I’ve literally been up the wall with work

Still getting codes for front valve too after them charging me almost a grand for front struts

So might go have a whinge when I get a few days off
 Disco 3 SE Manual 2005 V6 2.7
Buckley, North Wales 
 
Post #230847723rd Sep 2022 8:34 am
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MBlr3
 


Member Since: 04 Sep 2021
Location: Stuttgart
Posts: 13

Germany 2007 LR3 TDV6 HSE Auto Tonga GreenLR3

I just changed to Castrol Magnatec 5W40 C3.
Oil pressure is built up faster than with 5W30 in my case (270.000km)
  
Post #230849323rd Sep 2022 11:06 am
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