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ZF gearbox maintenance
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PAIO
 


Member Since: 12 Apr 2016
Location: BELLUNO
Posts: 115

Italy 2012 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4
ZF gearbox maintenance

Hi my disco has 200,000 km it is advisable to replace the oil and the gearbox filter ? (my gearbox is Ok)
Is it necessary to do some reset on the control unit?
Any suggestion ?
Thanks
  
Post #235382523rd Nov 2023 8:22 am
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kevofcov
 


Member Since: 06 Nov 2007
Location: Other end of M69
Posts: 571

England 2016 Discovery 4 3.0 TDV6 Graphite LE Auto Java BlackDiscovery 4

Landrover say no. Gearbox is sealed for life.

ZF say have an oil flush every 96,600kms - your choice really. There is a difference between simply draining out and renewing the oil and doing a flush. Only a flush will get all the oil out.


.
  
Post #235409126th Nov 2023 2:49 pm
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Landylad
 


Member Since: 23 Dec 2008
Location: Aberdeenshire
Posts: 366

Scotland 2012 Discovery 4 3.0 SDV6 GS Auto Zermatt SilverDiscovery 4

ZF gearbox oil flush.... anyone done one? Was told you can't do a total flush and only a drain and replacement is possible (hence why some do it 2 or 3 times to maximise the dilution of existing used oil).
 If in doot, flat oot!!  
Post #235895514th Jan 2024 8:32 pm
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kajtzu
 


Member Since: 10 Aug 2017
Location: Helsinki
Posts: 6755

Finland 2005 Discovery 3 4.4 V8 HSE Auto Cairns BlueDiscovery 3

You probably want to do a mega flush with a machine. It’ll exchange everything.
  
Post #235896114th Jan 2024 9:08 pm
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Landylad
 


Member Since: 23 Dec 2008
Location: Aberdeenshire
Posts: 366

Scotland 2012 Discovery 4 3.0 SDV6 GS Auto Zermatt SilverDiscovery 4

Yeah, I was told by a local garage that you can't do that on the ZF box. Think there's a place down (beside Perth or maybe Edinburgh?) that I was gonna call... Mann-something?
 If in doot, flat oot!!  
Post #235896414th Jan 2024 9:13 pm
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kajtzu
 


Member Since: 10 Aug 2017
Location: Helsinki
Posts: 6755

Finland 2005 Discovery 3 4.4 V8 HSE Auto Cairns BlueDiscovery 3

You probably need to change the local garage then or they need to get out more…. Whistle

What happens is that one connects the machine to the transmission cooler lines, adds the flushing agent, lets it do its thing, pump out the old and pump in the new fluid, adds and conditioner, waits for gearbox temperature to settle and top up if necessary.
  
Post #235896714th Jan 2024 9:28 pm
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waterbuoy
 


Member Since: 26 Oct 2013
Location: Argyll
Posts: 2922

United Kingdom 2009 Discovery 3 TDV6 SE Auto Stornoway GreyDiscovery 3

Try Disco Mikey in Dundee - aka MMP Landrover. Just off the Kingsway

I travel over from the west coast to have any work done on our D3 and D4 he is that good
 Currently 2009 Disco 3 SE, 2013 MY D4 HSE and 2016 D4 SE
Previously:
TD5 Defender 110 CSW (230k miles)
300TDi Disco 1 (289k)
4 RR Classics (300-350k each, 2 manual, 2 auto)
110 V8 CSW (220k)
S3 109 hi cap pickup (ex RN)
S2A 88 Safari SW with lpg conversion (bloody lethal) 
 
Post #235896814th Jan 2024 9:33 pm
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TheWojtek
 


Member Since: 23 Apr 2016
Location: Poznan, Poland
Posts: 82

Poland 2006 LR3 4.4 V8 SE Auto Chawton WhiteLR3

Landylad wrote:
ZF gearbox oil flush.... anyone done one?


In each and every ZF 6HP I ever had, it's on the list of fluids that need to be replaced right after purchase (or when you hit ~60000 miles and multiplies of these - if purchased new).
 Wojtek
L319: dad's
L320: mine 
 
Post #235899415th Jan 2024 8:44 am
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dunton10
 


Member Since: 23 Dec 2006
Location: SUTTON COLDFIELD, WEST MIDS
Posts: 213

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Tech Auto Corris GreyDiscovery 4

Another vote for disco mickey here. I travelled up to get 7 year service completed, belts done and all fluids changed inc mega flush.
And I live in the West Midlands.!
Called in as part of a caravan tour of the west coast, sited the caravan on a lovely CL site less than 5 miles from MMPs unit. He showed me a sample of what had come out of the gearbox and it definitely needed changing.
 Currently 2015 D4 SE Tech, Corris Grey
RLD Protector, led interior lights, timed climate, towing equipment
Previously
2006 D3 S
2001 TD5
1996 Shogun LWB
1989 Range Rover TDVM 
 
Post #235921016th Jan 2024 10:18 pm
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