Member Since: 11 Dec 2005
Location: Bolton UK - it may be 'grim up north' but at least you get gravy on yer' chips.
Posts: 217
Gearbox calibration after replacement
Please correct me if I'm barking up the wrong tree but just before I got my D3 a few months ago it had a gearbox replacement. I've seen suggestions on here that say the gearbox should be recalibrated, and my IIDBT has the setting, but do I need to do this and what's involved? It's a TDV6 HSE Auto.
I plan to upgrade the power (remap via IID) and brakes (v8 version) but I want to know that the drivetrain is in good order before proceeding.'
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'05 Disco3 TDV6 - gone
'06 Disco3 TDV6 - gone
'08 Freelander 2 - gone
'98 P38 V8/LPG - gone
'02 L322 V8 - gone
'02 Freelander 1 - gone
'05 Disco 3 TDV6 - SWMBO
'06 L322 V8 - current
1st Aug 2019 12:44 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10674
If it's changing smoothly I would leave it.
Doing a re cal will mean it will change rough, for 3 days until it relearns
In any case the ecu is in the gearbox, so was replaced together, (though the new oil can make minor changes)
1st Aug 2019 4:49 pm
BrianX
Member Since: 11 Dec 2005
Location: Bolton UK - it may be 'grim up north' but at least you get gravy on yer' chips.
Posts: 217
Hi Pete, thanks for the reply.
I'd say it has the occasional lumpy change but nothing serious enough to warrant concern. I'm more bothered about what happens when I do the remap since the gearbox will be having to deal with higher torque, so I want it to be spot on beforehand.
Is the only effect that it will be lumpy for a few days? If so then I can live with that, what's actually involved other than telling IID to do the recal, I'd like to understand the process before I hit 'go'.'
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'05 Disco3 TDV6 - gone
'06 Disco3 TDV6 - gone
'08 Freelander 2 - gone
'98 P38 V8/LPG - gone
'02 L322 V8 - gone
'02 Freelander 1 - gone
'05 Disco 3 TDV6 - SWMBO
'06 L322 V8 - current
1st Aug 2019 4:54 pm
Disco_Mikey
Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20839
It wipes all the Adaptive data the gearbox has learned over the past xx,xxx miles
Resetting will put the gearbox back to "as new/factory" with regards to this learned dataMy D3 Build Thread
Member Since: 11 Dec 2005
Location: Bolton UK - it may be 'grim up north' but at least you get gravy on yer' chips.
Posts: 217
so essentially I just tell IID to do the reset, put up with a lumpy change for a few days, and that's it?'
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'05 Disco3 TDV6 - gone
'06 Disco3 TDV6 - gone
'08 Freelander 2 - gone
'98 P38 V8/LPG - gone
'02 L322 V8 - gone
'02 Freelander 1 - gone
'05 Disco 3 TDV6 - SWMBO
'06 L322 V8 - current
1st Aug 2019 5:07 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10674
Yes.
1st Aug 2019 5:28 pm
BrianX
Member Since: 11 Dec 2005
Location: Bolton UK - it may be 'grim up north' but at least you get gravy on yer' chips.
Posts: 217
cheers fellas. I guess there is just one more question and that's is there any reason why I shouldn't go ahead and do it?'
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'05 Disco3 TDV6 - gone
'06 Disco3 TDV6 - gone
'08 Freelander 2 - gone
'98 P38 V8/LPG - gone
'02 L322 V8 - gone
'02 Freelander 1 - gone
'05 Disco 3 TDV6 - SWMBO
'06 L322 V8 - current
1st Aug 2019 5:30 pm
kajtzu
Member Since: 10 Aug 2017
Location: Helsinki
Posts: 6748
The “Don’t touch it if it isn’t broken” doctrine is very valid on firmware upgrades and thinking about resetting things.
(Your “new” gearbox probably isn’t “new-new” but reconditioned, right?)
1st Aug 2019 6:23 pm
BrianX
Member Since: 11 Dec 2005
Location: Bolton UK - it may be 'grim up north' but at least you get gravy on yer' chips.
Posts: 217
reconditioned - yes
reconditioned by somebody who knows what a landy is - I seriously doubt it
I went along with the previous owner to have the new box 'checked' a month after fitting. This involved the mechanic driving 200 yards up the road and back, then saying it was fine. As for the company who actually refurbed the box I have no idea.'
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'05 Disco3 TDV6 - gone
'06 Disco3 TDV6 - gone
'08 Freelander 2 - gone
'98 P38 V8/LPG - gone
'02 L322 V8 - gone
'02 Freelander 1 - gone
'05 Disco 3 TDV6 - SWMBO
'06 L322 V8 - current
1st Aug 2019 6:28 pm
SteveNorman
Member Since: 14 Oct 2005
Location: Somerset
Posts: 1145
I have had some boxes, after resetting adaptions produce fault codes for slip on the clutches etc.
Which can be a real pain, as it goes into limp home.
After driving for a month or so, they usually adapt back in again.
It is obviously a fault in the box/worn, which the adaptions when relearnt can overcome.
... as said, if it ain’t broke... unless it’s annoying you on the change, don’t reset adaptions.
Regards
Steve
1st Aug 2019 6:56 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10674
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