Member Since: 05 Mar 2011
Location: chengdu
Posts: 1542
towing in access mode
ok..there have been a few reports of things going bang when in extended mode with lots of lock on sand..
so due to the extreme angles adding stress the strongest. set up would be with axles and joints all in line...so with that in mind would it make sense where possible to tow in access mode as the shaft are as snug as they can be?
obviously the application of lock is the main issue and should be avoided. but every little helps...
so with winter coming and tow ropes burning a hole in the boot waiting to be used what do you think...no one wants a bang and a bill when trying to be a hero...
comments..It is better to have and not need it then need and not have it.
16th Aug 2013 10:10 am
Martin Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18456
The vehicle is designed to run in normal height most of the time, access doesn't *necessarily* do what you think regarding component alignment.
Excuse the comedy diagrams and the necessary exaggeration of the angles, but the principle is as follows. Viewed from the front or rear, the driveshaft is the "straight" line on the left.
\
\ .=.
\|W| SUSPENSION UP
|W|
'='
.=.
___|W| SUSPENSION NORMAL
|W|
'='
.=.
|W| SUSPENSION DOWN
/|W|
/ '='
/
06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
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16th Aug 2013 10:16 am
amazing
Member Since: 05 Mar 2011
Location: chengdu
Posts: 1542
nice graphics..
but when I have looked at the drive shafts in normal they are still angled down a touch.not in line.
I will pop my head under later to confirmIt is better to have and not need it then need and not have it.
16th Aug 2013 10:28 am
amazing
Member Since: 05 Mar 2011
Location: chengdu
Posts: 1542
ok just popped head under...man its hot outside today..
and ....slight angle down in normal..more angle up in access.
so....tow in normal mode only and if you are offroading drop to normal before towing.
（or access if you have lift rods on)
will post pics soonIt is better to have and not need it then need and not have it.
Last edited by amazing on 16th Aug 2013 11:12 am. Edited 1 time in total
16th Aug 2013 10:49 am
amazing
Member Since: 05 Mar 2011
Location: chengdu
Posts: 1542
Click image to enlarge
ol hopefully pics in right order
normal front
Click image to enlarge
rear
Click image to enlarge
access
Click image to enlarge
and frontIt is better to have and not need it then need and not have it.
16th Aug 2013 11:03 am
Captain Slow
Member Since: 18 Feb 2009
Location: Herts
Posts: 459
if you connect a trailer in low range and use a TR programme you will notice that the car does not raise to off road height as it would when no trailer is connectedPrince Harry's D3: G4 factory equipped D3 - expo rack, winch, roof lights, ladder, active locking rear diff, RAI, Melville & Moon seat covers, General Grabber ATs/ Goodyear Duratrac
16th Aug 2013 11:43 am
kathk
Member Since: 06 Jul 2013
Location: far away
Posts: 41
Shouldn't you avoid towing it at all because of the 4WD? I always thought you are only supposed to have it on a flat bed trailer. I even have a sticker at the back reminding the towing guy of that.2012 D4 SDV6 HSE - Heavy Duty, Alpine Roof, Sidesteps, modded LR RAI, Stebel Nautilus, Trailer hitch cargo carrier - Best Car I've ever owned
2013 Mercedes GL500 - Iridium Silver - The Missus' car <- new A/C right after purchase, new motor mounts after 40k km. No problems with the Disco whatsoever.
17th Aug 2013 10:53 am
DG Site Moderator
Member Since: 12 Dec 2005
Location: The Gaff
Posts: 50934
Re: towing in access mode
amazing wrote:
ok..there have been a few reports of things going bang when in extended mode with lots of lock on sand.
The bit missing from the requirement to make it go bang is hard acceleration...everytime I've seen them go it's been when the driver was giving it lots of wellie !! 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021
17th Aug 2013 11:10 am
M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8109
The torque produced in low range is terrific, just do a simple manoeuvre on Tarmac in low range, I always use mud and snow setting for manoeuvreing and when towing a loaded horse trailer.
Statistics show that when F1 cars transmissions fail it is nearly always on overrun when the drive changes from max power to engine braking.It can when others can't,
It will when others won't,
It goes where others don't.
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