Change tyre diameter.
For full advice have a look in FAQ on Gap Site.
Anyone care to point me in the right direction?
My D4 speedo reads 5% fast, and if, as I suspect I can, how do I adjust it to read true. I'm aware it won't affect the km travelled.
MY16 D4 TDV6 - with a little Cambo magic for towing "The Brick"
MY95 RRC LSE Vogue Softdash "Bessie" (turning circle comparable to QE II) with MY99 TD5 and 4HP24 transplants. Back home Nov 22 after a magic overhaul by Chivalry
SADLY SOLD MY04 D2a TD5 auto Classic and MY10 D4 2.7 both with lots of goodies
Change tyre diameter.
For full advice have a look in FAQ on Gap Site.
Thanks Mike. I'd read the FAQ twice and missed that both times - new glasses perhaps!
In case anyone else was wondering.
For Discovery 3 2004-2009 and Range Rover Sport 2005-2009
Menu–Car Config–Instrument Pack–Tyre Radius
For 2010+ vehicles
Only one of the following settings will work and it depends on the car itself. Menu–Car Config–Instrument Pack–
This setting, Tyre Size MSB – IPC
Or this one, Tyre Rolling Radius (mm) – ABS
MY16 D4 TDV6 - with a little Cambo magic for towing "The Brick"
MY95 RRC LSE Vogue Softdash "Bessie" (turning circle comparable to QE II) with MY99 TD5 and 4HP24 transplants. Back home Nov 22 after a magic overhaul by Chivalry
SADLY SOLD MY04 D2a TD5 auto Classic and MY10 D4 2.7 both with lots of goodies
I put on 285 60 18’s which are 5% bigger than 255 55 19. Fixed my speedo but the odometer is now reading 5% under. Will fix that problem when I buy a gap tool
"Land Rover - making mechanics out of everyday motorists for nearly 70 years"
Tyre size worked on my 2011 HSE.
Rooling radius made no difference.
See:
Speedo calibration with IIDTool?
If at first you don't succeed, that's one data point. - xkcd
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2011 Discovery 4 SDV6 HSE
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