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Gearbox flushing and gearbox oil filter replacement
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Disco3_DC
 


Member Since: 02 Mar 2018
Location: Oxfordshire
Posts: 69

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3
Gearbox flushing and gearbox oil filter replacement

My Disco 3 has now done nearly 128k and although there's no indication of gearbox issues that I can see, I reckon it would make sense to have the oil flushed.

However, doing a bit of research, I see that there is an aftermarket gearbox oil filter, which is much easier and quicker to replace than the original. My question is, does it matter if I get the flush done before changing the GB filter or after?

Thanks, Darren
  
Post #208694125th Sep 2019 3:04 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10335

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

change filter before would make more sense. As you wouldn't have to pay for more oil (and risk of different stuff too)

Be aware the metal sumps are a pain to get sealed
  
Post #208696025th Sep 2019 4:22 pm
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Bodsy
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Member Since: 06 Nov 2006
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United Kingdom 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

I’m Oxford way tomorrow if you wanted a flush. Thumbs Up
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D4/D3 Remote FBH heat kits
BAS Remaps/ EGR Blank
Transmission Flush
Software updates/enabling


Clock/ SNOTM /3Flash / 4x4Info /BT Update /Service Reset/Error Codes / Gearbox Reset
See It Here 
 
Post #208697325th Sep 2019 5:09 pm
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DrRobH
 


Member Since: 10 Oct 2015
Location: Hampshire
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United Kingdom 

Bodsy is your man Thumbs Up Get him on your drive Thumbs Up
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RR Vogue SE 2011 4.4 TDV8
1974 Lightweight 
 
Post #208699925th Sep 2019 6:48 pm
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knwatkins
 


Member Since: 19 Sep 2018
Location: Poole, Dorset
Posts: 716

United Kingdom 

Most just flush and don't replace the filter because of the sealing problems on the aftermarket metal ones.
 Kev

MY2014 L405 RR Vogue SE 4.4 SDV8 in Corris Grey
MY2010 L320 RRS HSE 3.0 TDV6 in Stornoway Grey 
 
Post #208703225th Sep 2019 8:29 pm
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Disco3_DC
 


Member Since: 02 Mar 2018
Location: Oxfordshire
Posts: 69

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Thanks for the advice. I wasn't sure if much oil would be lost with the filter change, so thanks for clearing that up. Thanks too for the information on aftermarket GB oil filter fitting. I didn't know of the sealing problems. Is that with all the easier fitting replacements on the market? If the thinking is that GB oil filter replacement isn't that necessary, then I'd just go with the flush. Is that what most would do?

Thanks for the message Bodsy about flushing. I was Oxford way when I signed up to this forum, but now I'm closer to Swindon. Do you come out this way? If you do, then I'll be in touch to see what can be arranged, because I would like it done.

Thanks, Darren
  
Post #208707525th Sep 2019 10:33 pm
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knwatkins
 


Member Since: 19 Sep 2018
Location: Poole, Dorset
Posts: 716

United Kingdom 

Based on the advice on the forum, I just DIY flushed mine. I read somewhere on here that filters that have been removed have always looked good.
 Kev

MY2014 L405 RR Vogue SE 4.4 SDV8 in Corris Grey
MY2010 L320 RRS HSE 3.0 TDV6 in Stornoway Grey 
 
Post #208709026th Sep 2019 5:44 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10335

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Not bothering changing the filter, does seam the sensible way forward.

They look ok after 100K miles when opened.
  
Post #208715526th Sep 2019 11:14 am
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Disco3_DC
 


Member Since: 02 Mar 2018
Location: Oxfordshire
Posts: 69

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Thanks Kev and Pete. I've decided just to go with the flush as you suggest.

Best wishes,

Darren
  
Post #208731727th Sep 2019 12:05 am
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kajtzu
 


Member Since: 10 Aug 2017
Location: Helsinki
Posts: 6538

Finland 2005 Discovery 3 4.4 V8 HSE Auto Cairns BlueDiscovery 3

Btw, an Indy here mentioned offhand that they use ZF OEM pans intended for BMW X5. The pan is composite and the sill is separate. No issues with sealing, either.

FWIW, I too flushed mine and skipped the filter replacement.
  
Post #208732527th Sep 2019 5:35 am
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knwatkins
 


Member Since: 19 Sep 2018
Location: Poole, Dorset
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United Kingdom 

That's very handy to know!
 Kev

MY2014 L405 RR Vogue SE 4.4 SDV8 in Corris Grey
MY2010 L320 RRS HSE 3.0 TDV6 in Stornoway Grey 
 
Post #208735627th Sep 2019 8:17 am
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gizze
 


Member Since: 20 Feb 2012
Location: Norfolk
Posts: 36

United Kingdom 2006 Discovery 3 TDV6 S Auto Java BlackDiscovery 3

Mine is on 150k.



I ordered a new sump/filter and 12 litres of transmission fluid.


I didn't realise what a pain in the Censored it was to change the filter, so I decided to flush the thing anyway, my thinking was the oil cost me around £50, so worse case I just do it again when I have more time.

So removing the transmission cooler pipe and pumped out and pumped back in just under 10 litres of fluid before it suddenly changed from a black and very smelly fluid to something that was looking a bit yellow.

I then put all the pipework back together, got under the car and filled from the filler hole while the oil sat at 30-40ºc. Went through the gears a few times, kept checking the level and in the end used 11 litres, or just under.

The gear changes are amazing, plus I have also lost any clunks, even if you slow to a near stop and then hit the gas the change is not noticeable.

I thought I had propshaft issues or something, but no, it was all gearbox.


The gearbox that is silky smooth with nothing more than an oil change flush and gearbox adaptation reset.
The whole car feels solid again, it is amazing how much tighter it feels all round.


Not sure how much folk charge for a flush? But it has to be a complete no brainer and worth every penny.
My guess it is probably around £300, the price of the oil and someones time? If so, what a bargain.
 MY15 BMW 5 Series Touring
Porsche 996 C4 911
Need another Disco to fiddle with. 


Last edited by gizze on 30th Sep 2019 9:24 am. Edited 1 time in total 
Post #208809929th Sep 2019 4:38 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10335

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Lucky guy

Must people aren’t quite that lucky.
  
Post #208811729th Sep 2019 5:10 pm
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mrluke
 


Member Since: 25 Oct 2018
Location: essex
Posts: 41

United Kingdom 

Bodsy wrote:
I’m Oxford way tomorrow if you wanted a flush. Thumbs Up


Bodsy sent you an pm but looks like you aint read it yet , you in Essex any time soon ?

need a flush and diff service
  
Post #20969682nd Nov 2019 6:07 am
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