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Trucks
 


Member Since: 30 Nov 2019
Location: south newton
Posts: 375

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3
Autobox

F failure only in reverse.
Occasionally I get the dreaded F come up on the dash but switch off the engine then restart all is OK.
This happen say for instance when meeting oncoming traffic on a narrow lane ,I stop quite quickly select reverse then the F comes up,stop the engine restart all is OK, this is the only time it ever happens,I can live with it but sometimes I don't notice if untill I pull away and have to drive in reduced speed to get next pull over in the lane and traffic behind gets the hump with me for driving so slow.
If I come to a complete standstill wait a second or two before I select reverse all is OK well for 90% of the time.
Is there an adjustment on the side of the gearbox to alleviate this problem, I am a bit reluctant to dabble with gearbox adjustment as everything else is tickety boo but if the actuator needs a slight tweek or something along those lines needs adjustment please guide me
Thanks
 pete truckle  
Post #22349899th Jun 2021 6:55 am
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aja4x4
 


Member Since: 14 Apr 2019
Location: Westbury
Posts: 2463

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

There's a few of things you can check.

Check the pivot on the side of the gearbox

http://www.disco3.co.uk/forum/topic31656.html

I would also check the electrical connector on the side of the box and also check or replace the gearbox oil
 Andrew

D3 2.7tdv6 2005
D4 3.0 SDV6 Commercial died and gone to LR heaven
D5 3.0 SDV6 HSE 
 
Post #22349919th Jun 2021 7:23 am
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Member Since: 30 Nov 2019
Location: south newton
Posts: 375

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Thank you will look at those options,well get someone as I am unable to crawl around under vehicles now bloody kills me.
Pete
 pete truckle  
Post #22350019th Jun 2021 8:43 am
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Trucks
 


Member Since: 30 Nov 2019
Location: south newton
Posts: 375

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Hi
Going to look at and change the lever and Bush on the automatic box as seen with the link you posted ,just a silly question I will be using front ramps with adjustable height on them, will this affect the actuator cable adjustment once removed ,I will mark it as described but a tad concerned that being so high on the front end this may affect the adjustment.
I personally don't think it will matter but better to be safe and ask someone.
Pete
 pete truckle  
Post #223711020th Jun 2021 6:56 am
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aja4x4
 


Member Since: 14 Apr 2019
Location: Westbury
Posts: 2463

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

Hi Pete no it wont have an effect.
 Andrew

D3 2.7tdv6 2005
D4 3.0 SDV6 Commercial died and gone to LR heaven
D5 3.0 SDV6 HSE 
 
Post #223711620th Jun 2021 7:04 am
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Member Since: 30 Nov 2019
Location: south newton
Posts: 375

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

OK thanks will let you know how I get on Thumbs Up
 pete truckle  
Post #223712920th Jun 2021 8:15 am
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Trucks
 


Member Since: 30 Nov 2019
Location: south newton
Posts: 375

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Hi
Update
Just fitted the new complete assemble every thing works as it should, only annoying thing was the hole in the lock screw was not big enough, when your are under the the car it's a pain when things don't quite fit, still with a round file all was sorted a couple of burs were filed off.
Checked the wires and switch whilst there all looked good.

This may stop the occasional F appearing time will see

My removed linkage was in good condition and no seized parts i
will clean the parts up and if anyone wants them I will post out to you free of charge just make a donation of your choosing to the forum.
Thanks all
 pete truckle  
Post #224216017th Jul 2021 10:16 am
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carbore
 


Member Since: 06 Apr 2016
Location: Cornwall
Posts: 545

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Hi, mine had a linkage fault. the linage looked fine, not red rust and had "most" of its movement but must have been binding or dragging as it never played up again after I swapped it (Having spent motnhs worrying about the gearbox!)
 Disco 3: Lotus Elise S1: Ferguson T20: Audi A2  
Post #224220017th Jul 2021 2:11 pm
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Trucks
 


Member Since: 30 Nov 2019
Location: south newton
Posts: 375

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3




When it's done now and seems ok and we'll greased up so the next time it ever needs a visit it should be rust free
Click image to enlarge

The rod holding nut is free and turns easily but will not come out as the the flanges have been splayed.
Will keep hold of it unless as said anyone wants it .
Thank
Pete
 pete truckle  
Post #224222917th Jul 2021 6:35 pm
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