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carrotbay



Member Since: 18 Aug 2013
Location: Northants, UK
Posts: 698

United Kingdom 2008 Defender 110 BMW M57 3.0 Diesel XS CSW Auto Santorini Black
Running without front prop?
Hi

I have a vibration that I'm trying to locate. Are there any issues with removing the front prop, engaging the diff lock and running it to work up the motorway? 2008 Defender 110 XS SW - M57N2 / 6HP28X
Post #329149 7th May 2014 10:12pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5823

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
I did the same thing with my td5 110 but not at motorway speeds (30/40mph speeds) 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #329150 7th May 2014 10:14pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17233

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
No, but drive gently since the driveline loading on the rear will be higher and be aware that the handling characteristics will be different. Expect pronounced understeer on wet tarmac.

It's even more peculiar if you take the rear propshaft off an run in front wheel drive!
Post #329152 7th May 2014 10:16pm
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AndrewS



Member Since: 10 Apr 2007
Location: Hereford
Posts: 3707

United Kingdom 2013 Defender 130 Puma 2.2 SW Rimini Red
No, I drove out of the desert in Morocco and back to the UK with no front prop.
Post #329154 7th May 2014 10:17pm
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Interlet



Member Since: 10 Oct 2011
Location: Norwich
Posts: 461

United Kingdom 1998 Defender 110 300 Tdi HT Alpine White
Understeer without the front prop? I think you mean the opposite. As rear wheel drive in wet, it will certainly be oversteer.

I ran my 110 without the front prop for about 2 months without problems. 1998 110 300Tdi White Hard Top
Post #329155 7th May 2014 10:24pm
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Mountain_man



Member Since: 09 Dec 2011
Location: Right side of Offas Dyke
Posts: 756

Wales 
Nope, I towed a challenge truck 300 miles across England with no front prop on my disco.
Post #329157 7th May 2014 10:32pm
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carrotbay



Member Since: 18 Aug 2013
Location: Northants, UK
Posts: 698

United Kingdom 2008 Defender 110 BMW M57 3.0 Diesel XS CSW Auto Santorini Black
Great .. Thanks. I'll take off tomorrow and try a trip to work to see if the vibration is less. 2008 Defender 110 XS SW - M57N2 / 6HP28X
Post #329161 7th May 2014 10:51pm
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AndrewS



Member Since: 10 Apr 2007
Location: Hereford
Posts: 3707

United Kingdom 2013 Defender 130 Puma 2.2 SW Rimini Red
Have you raised your suspension?
Post #329164 7th May 2014 11:06pm
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carrotbay



Member Since: 18 Aug 2013
Location: Northants, UK
Posts: 698

United Kingdom 2008 Defender 110 BMW M57 3.0 Diesel XS CSW Auto Santorini Black
No .. Dropped it 1 inch. Vibration started when it was standard though. I am suspecting the rear diff but could be transfer box. Vibration is quite high frequency felt through gear stick and floors. It seems to be worse after a reasonable run.

Any ideas welcome .. thanks 2008 Defender 110 XS SW - M57N2 / 6HP28X
Post #329168 7th May 2014 11:23pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17233

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Interlet wrote:
Understeer without the front prop? I think you mean the opposite. As rear wheel drive in wet, it will certainly be oversteer.

I ran my 110 without the front prop for about 2 months without problems.


I have vivid memories of the back end pushing the front end in a generally straight on direction, so, no, I did mean understeer in this case.

I imagine that it depends very much on circumstances, so best advice is probably to be alert for the unexpected.
Post #329170 7th May 2014 11:25pm
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ken



Member Since: 18 Aug 2009
Location: Banging Birds with my bitches !!
Posts: 4328

United Kingdom 
AndrewS wrote:
No, I drove out of the desert in Morocco and back to the UK with no front prop.


And the pot noodle challenge was born Rolling with laughter
Post #329191 8th May 2014 6:31am
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AndrewS



Member Since: 10 Apr 2007
Location: Hereford
Posts: 3707

United Kingdom 2013 Defender 130 Puma 2.2 SW Rimini Red
Nail on head there Ken Thumbs Up

In fact we drove out of the desert with a smashed front diff so we had to remove the front drive shafts as well as the prop.

This left the internals of the front hubs exposed to sand and grit so we improvised and sealed the ends of the axle with pot noodle containers. The Chicken Chowmein lasted till the UK but the Chicken & Mushroom had to be replaced in Madrid


Click image to enlarge
Post #329199 8th May 2014 7:36am
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Interlet



Member Since: 10 Oct 2011
Location: Norwich
Posts: 461

United Kingdom 1998 Defender 110 300 Tdi HT Alpine White
blackwolf wrote:
Interlet wrote:
Understeer without the front prop? I think you mean the opposite. As rear wheel drive in wet, it will certainly be oversteer.

I ran my 110 without the front prop for about 2 months without problems.


I have vivid memories of the back end pushing the front end in a generally straight on direction, so, no, I did mean understeer in this case.

I imagine that it depends very much on circumstances, so best advice is probably to be alert for the unexpected.


I'm not trying to be funny or anything, just so this doesn't get heated and that it continues in a calm rational manner, but rear wheel drive vehicles will always (whether you notice it or not) have a tendency to oversteer, because as you corner, the rear like you said is propelling the vehicle forward, and naturally wanting to continue in a straight line at the newly turned direction. This will therefore push it further round, and if left uncorrected, in a very wet situation, will start to spin, potentially 180 or so.

It is front wheel drive vehicles which will be understeerers, because the torque is dragging the rest of the vehicle along; the rear drive vehicles pushing it forward. Your description of what you felt to me seems correct, but the definition of that description seems to me almost impossible, if not extremely unlikely. I think you have maybe misunderstood the two terms. 1998 110 300Tdi White Hard Top
Post #329437 8th May 2014 9:17pm
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munch90



Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

England 
front or rear wheel drive does not make a car oversteer or understeer , if a cars not set up right it can do either ( o or u steer ) wether it's fwd or rwd

there is a hundred different reasons why , corner weights , tracking , ackerman angle , weight transfer etc etc
Post #329470 8th May 2014 10:01pm
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