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What ZF have to say about sealed for life auto gearboxes
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20727

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

And still nowhere near the recommendation from ZF...
 My D3 Build Thread

TDV8 Retrofit Build Thread 
 
Post #201174421st Dec 2018 10:34 pm
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Discomadness
 


Member Since: 19 Jan 2015
Location: Caerphilly
Posts: 2256

Wales 2007 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Someone please explain how they can legally do that... it’s all making my head hurt.
 Jarrod

Current : D3 2007 HSE - AKA the lemon
-beanie grille
-detango with led bulbs
-club body off rebuild. TWICE. 
 
Post #201174721st Dec 2018 10:47 pm
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goodo
 


Member Since: 04 Dec 2018
Location: Cheltenham
Posts: 96

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Santorini BlackDiscovery 4

The odd thing is the same manual states that for 'severe duty maintenance' the transmission oil should be changed every 30,000 miles. So it's 144k for normal use and 30k if used off road?

From the manual:

"The following are examples of heavy-duty operation:
Trailer towing applications
Severe loading applications
Sustained high speed operation"



Given the cost of transmission oil vs the cost of a new transmission, and the improvement you would get in fuel economy, it seems odd that it isn't recommended at 60,000 miles rather than 144,000.
  
Post #201175721st Dec 2018 11:40 pm
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Discoveringcomfort
 


Member Since: 16 Sep 2015
Location: Berkshire
Posts: 637

England 2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

So LR heavy duty matches ZF to a point then.

It does not change what they are trying to suggest, no oil change whilst in warranty for most, but this is the get out clause then. They have quoted ZF.
 Series 1 V8
Series 2 Hibrid V8
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Post #201177022nd Dec 2018 3:03 am
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SafariDave
 


Member Since: 19 Nov 2011
Location: NYC & LA
Posts: 775

United States 2005 Discovery 3 4.4 V8 SE Auto Bonatti GreyDiscovery 3

I had the Transmission fluid and filter replaced on my D3 at 78K miles or so. The diffs and TC oil get changed every 20K.
Our 2nd D3 had the transmission oil changed by the dealer at 30K miles or so due to it leaking.
Both will need another change in the next year.
 D3 2005 V8 SE Bonatti Grey "The Rhino" (our NYC D3)
De-tangoed Headlights, D4 2016 Style Black Pack Grille, D4 19" Wheels/ Bridgestone Alenza
D3 2005 V8 SE Bonatti Grey, D4 2016 Style Black Pack Grille (our LA D3)
D2 1999 V8 SD7 Chawton White (our Caribbean Beach truck) 
 
Post #201177422nd Dec 2018 5:38 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

goodo wrote:
So, I've looked through the official workshop manual I bought off eBay, and it states every "9 years or 144,000 miles renew the automatic transmission fluid". So not 'sealed for life' then, unless the life in question is 144,000 miles? Rolling Eyes





Also, there's no mention of a filter change, just an oil change and fluid check as we know it.....[/img]


Got to be a rare box thats done 144k with nothing done at all.
  
Post #201177522nd Dec 2018 6:43 am
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Discomadness
 


Member Since: 19 Jan 2015
Location: Caerphilly
Posts: 2256

Wales 2007 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Discoveringcomfort wrote:
So LR heavy duty matches ZF to a point then.

It does not change what they are trying to suggest, no oil change whilst in warranty for most, but this is the get out clause then. They have quoted ZF.


I guessed there would be some small print somewhere because at the end of the day no one could prove or disprove what the cars done. However. Does the zf instruction state anything similar. “Under heavy use change the oil sooner”
 Jarrod

Current : D3 2007 HSE - AKA the lemon
-beanie grille
-detango with led bulbs
-club body off rebuild. TWICE. 
 
Post #201182722nd Dec 2018 1:59 pm
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Keyframe
 


Member Since: 01 May 2017
Location: Epsom
Posts: 26

United Kingdom 

Just a thought, At the point when a gearbox problem occurs, it's reasonable to assume the car will no longer be serviced by a dealer workshop and you would assume the warranty would would not have been extended by the owner.
  
Post #20151704th Jan 2019 4:19 pm
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