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2.7TD Engine oil cooler replacement guide
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shanegtr
 


Member Since: 22 Aug 2014
Location: Perth - Western Australia
Posts: 142

Australia 2005 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3
2.7TD Engine oil cooler replacement guide

Just before I tackled replacing the oil cooler I had a search through youtube to see if I could get an idea of the job. Couldnt find anything so I thought I'd do my own video. I've just finished the first part and uploaded it, still working on the remainder which I'll post ASAP

Hopefully someone finds some benefit of these. Its my first time making videos so its a little rough around the edges, but we gotta start somewhere
 

Last edited by shanegtr on 12th Dec 2020 1:11 am. Edited 1 time in total 
Post #219312711th Dec 2020 11:11 am
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shanegtr
 


Member Since: 22 Aug 2014
Location: Perth - Western Australia
Posts: 142

Australia 2005 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3

Next video is up, I finish the removal of the oil cooler in this one
  
Post #219331412th Dec 2020 1:11 am
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Beanwood
 


Member Since: 16 Oct 2016
Location: Nr Bristol
Posts: 58

United Kingdom 

Thanks - that's a great guide.
  
Post #219335612th Dec 2020 12:10 pm
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shanegtr
 


Member Since: 22 Aug 2014
Location: Perth - Western Australia
Posts: 142

Australia 2005 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3

Reinstall time, but its not all smooth sailing
  
Post #219353613th Dec 2020 6:06 am
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mek
 


Member Since: 18 Mar 2015
Location: Zurich
Posts: 468

Switzerland 2006 Discovery 3 TDV6 Base 5 Seat Manual Tonga GreenDiscovery 3

This looks really helpful, thanks! How long did this job take you, start to finish?
  
Post #219356713th Dec 2020 10:23 am
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shanegtr
 


Member Since: 22 Aug 2014
Location: Perth - Western Australia
Posts: 142

Australia 2005 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3

Without the stuff around filming it I reckon around 8hrs would be about right. Took me a bit longer with filming and camera setup etc... and I didn't do it all in one hit either as I only had time available at night to do the job so it was spread out over 3 days
  
Post #219357213th Dec 2020 10:46 am
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

What was wrong with the original cooler?
  
Post #219365113th Dec 2020 5:34 pm
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shanegtr
 


Member Since: 22 Aug 2014
Location: Perth - Western Australia
Posts: 142

Australia 2005 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3

I have been getting trace coolant contamination in my engine oil. Two logical sources for that is head gasket and oil cooler. Oil cooler seems to be a more common failure point here ( and it's an easier change) so I done that first. And there was an external oil leak on the cooler so that was an added bonus of the change
  
Post #219372214th Dec 2020 12:26 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

Great videos Shane, I had the oil cooler changed December 2019 after a failure on our trip east, unfortunately I didn't have time to do it myself I had others do it, looking at your vids it would have been well within my capabilities but time was short for me.

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 #219372514th Dec 2020 1:28 am
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shanegtr
 


Member Since: 22 Aug 2014
Location: Perth - Western Australia
Posts: 142

Australia 2005 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3

I was hard up for time myself due to the time of year - and I wanted to get the job done before we head away after christmas
  
Post #219372614th Dec 2020 1:51 am
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shanegtr
 


Member Since: 22 Aug 2014
Location: Perth - Western Australia
Posts: 142

Australia 2005 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3

Last video of the series is now edited and uploaded
  
Post #219379814th Dec 2020 2:24 pm
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mek
 


Member Since: 18 Mar 2015
Location: Zurich
Posts: 468

Switzerland 2006 Discovery 3 TDV6 Base 5 Seat Manual Tonga GreenDiscovery 3

I just used this guide to help me do this job. I changed the gasket only. Aircon on on the ride home from the self garage and there is no smell of oil!

I did buy a second hand oil cooler just in case but after seeing the corroded old gasket and corrosion underneath cooler I decided there was nothing wrong with my cooler and my best option was to clean up the mating surfaces with a razor blade (carefully) then 800 the 1200 grit wet and dry. I was sure to handle the connectors and the leak off pipes with extreme care after seeing Shane's experience!

That oil separator. What were they thinking! I've had this off 3 times now in total and I still have absolutely no idea how it comes off or goes back on. I easily lost 4 hours with breaks trying to get this off/on the car. Even with Shane's video i struggled to replicate it. We go our lives learning to be the right side of not breaking things but you to disregard all of that instinct to win the battle with the oil cooler!

I wonder if the corrosion and subsequent oil leak was due to using tap water in the coolant? I topped up my coolant with tap water today. Should I actually be using de-ionised water?
  
Post #224615511th Aug 2021 10:24 pm
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Bubblehead
 


Member Since: 01 Jun 2020
Location: Horndean
Posts: 214

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Scotia GreyDiscovery 3

I had my oil cooler replaced a while back as I had oil in the coolant reservoir.
Unfortunately I am still getting oil in there so it will need to go back in.
I did learn an expensive lesson though, took it to my normal local garage ( that I’ve used for years, but not for a disco) ended up paying well over double what I was quoted from a LR specialist. Lesson learnt.
Will be going back in to see what the problem is this time. Doubt it will be the oil cooler again as a nee one was fitted.

Wish I’d seen this guide at the time, at least it would have given an idea. Thumbs Up
 2005 Disco3 HSE Auto 😁  
Post #224622012th Aug 2021 1:12 pm
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DrRobH
 


Member Since: 10 Oct 2015
Location: Hampshire
Posts: 924

United Kingdom 

Bubblehead - head over to Glenrands nr Bordon. Best indy around IMHO...
www.glenrands.co.uk
Thumbs Up
 Visitor from fullfatrr.com
RR Vogue SE 2011 4.4 TDV8
1974 Lightweight 
 
Post #224622412th Aug 2021 1:43 pm
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shanegtr
 


Member Since: 22 Aug 2014
Location: Perth - Western Australia
Posts: 142

Australia 2005 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3

Its been a little while since I've been on the forum, but thought I'd share the follow up video after the oil change where I explain how I come to the conclusion to change out the oil cooler and if I was right:

Just had another oil change last week and results are still looking good
  
Post #224854027th Aug 2021 4:12 am
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