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5.0 ltr Frank



Member Since: 28 Mar 2023
Location: Birmingham
Posts: 37

United Kingdom 
ZF8 Transmission Problem Help Please

My ZF8 Transmission Only when cold is slow to change up, slight hesitation 2nd to 3rd, seems to linger longer in 2nd before changing up. Once this initial change has occurred there's No other problems at all, works absolutely fine. No error lights on the dash. I've had the oil and filter pan changed, genuine LR parts, but still have the same problem.
any help / advice would be greatly appreciated. Bow down

Post #631945 Tue Mar 28 2023 10:45am
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Dave-t



Member Since: 18 Jan 2020
Location: Glasgow
Posts: 436

United Kingdom 

What's the age and mileage?

A gearbox flush is well recommended for these, by around 75-80k ish, although LR say its not needed until something like 160K. Joined the X5 45e club
1994 Defender 90 300 tdi

Post #631946 Tue Mar 28 2023 11:14am
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5.0 ltr Frank



Member Since: 28 Mar 2023
Location: Birmingham
Posts: 37

United Kingdom 

it's 2016 and 60500. i had it done as preventative measure.
it's just the initial move off when cold

Post #631947 Tue Mar 28 2023 11:28am
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Stevepd



Member Since: 22 May 2017
Location: Wiltshire
Posts: 1251

United Kingdom 2006 Range Rover Sport TDV6 HSE Cairns Blue

As it's only when cold it could be the cars way of warming the oil to temperature. Also these things are discussion worthy about getting off the line. If it were me I would think much about it, especially as you've done a oil change. If it was juddering etc I'd be giving it more thought. Others will respond shortly though. 2006 2.7 TDV6 HSE in Cairns Blue.

Post #631952 Tue Mar 28 2023 12:23pm
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5.0 ltr Frank



Member Since: 28 Mar 2023
Location: Birmingham
Posts: 37

United Kingdom 

^ Thank you Bow down it is only when it's cold.

Post #631953 Tue Mar 28 2023 12:30pm
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djpgowrie



Member Since: 04 Jun 2020
Location: Manchester
Posts: 43

United Kingdom 2010 Range Rover Sport 3.0 TDV6 HSE Santorini Black

Stevepd wrote:
As it's only when cold it could be the cars way of warming the oil to temperature. Also these things are discussion worthy about getting off the line. If it were me I would think much about it, especially as you've done a oil change. If it was juddering etc I'd be giving it more thought. Others will respond shortly though.


FWIW i agree with this - my 6 speed box holds all gears a little longer when cold. its almost as if it wants higher revs to get to operating temp quicker

Post #631955 Tue Mar 28 2023 1:25pm
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5.0 ltr Frank



Member Since: 28 Mar 2023
Location: Birmingham
Posts: 37

United Kingdom 

^ Thank You Bow down

Post #631956 Tue Mar 28 2023 1:32pm
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TheWojtek



Member Since: 08 May 2015
Location: PoznaƄ, Poland
Posts: 737

Poland 2010 Range Rover Sport TDV8 HSE Buckingham Blue

Same here, when cold, my 6HP holds the gears up to 2000 rpm. It was like this before megaflush, it's the same after megaflush. Regards etc.,

Wojtek

---
WAS: 2006 RRS Supercharged
IS: 2010 RRS TDV8 HSE

Post #631957 Tue Mar 28 2023 1:32pm
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5.0 ltr Frank



Member Since: 28 Mar 2023
Location: Birmingham
Posts: 37

United Kingdom 

^ Thank You Bow down

Post #631958 Tue Mar 28 2023 1:38pm
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RRSTDV8



Member Since: 12 Aug 2011
Location: Northamptonshire
Posts: 8982

United Kingdom 2012 Range Rover Sport SDV6 HSE Orkney Grey

djpgowrie wrote:
its almost as if it wants higher revs to get to operating temp quicker


It is designed to do this, as you say, in order to help speed up the warming process - to help emissions more than anything else. 2012 SDV6 - it's missing a couple of cylinders
2008 TDV8 - it was a labour of love and is much missed

Post #631959 Tue Mar 28 2023 2:31pm
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5.0 ltr Frank



Member Since: 28 Mar 2023
Location: Birmingham
Posts: 37

United Kingdom 

^ Thumbs Up

Post #631960 Tue Mar 28 2023 2:41pm
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