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john chilton

Member Since: 14 Mar 2018
Location: zambia
Posts: 3

4WD to 2WD

greetings from Zambia, I am new to this site and hoping there is a body out there that can advise me on a few problems i'm having with the 2011 defender wagon.
No 4WD!! After some wild riding on safari through massive puddles and rough roads that resulted in the loss of the rear disc covers and a few other parts not high enough off the turf.
The big problem is I only have front wheel drive. There is some clunking when pulling in low speed. I looked at the front transfer box but nothing obvious although a little paste and a few tiny shards of metal that were a bit disturbing.
In know this is all very general but has anyone had a similar experience and can point me to the most likely cause?

Also on a different topic altogether; i have lost the fan and air con. Strangely the fan will come on but not with the engine running, cant find a blown fuse? Did plug in a small fridge to the cigar lighter AND possibly that caused troubles? It stopped working also.
Again, i appreciate any and all advise you may contribute. its not so easy to find a clever mechanic way out here so most things have to be done with available resources.
Cheers,
John

14th Mar 2018 8:32am

Jim1988

Member Since: 26 Oct 2017
Location: Derbyshire
Posts: 208

Are you driving round in diff lock? If so it will either be your diff or half shaft gone

14th Mar 2018 8:50am

bankz5152

Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 2078

+1

Could be as simple as a drive flange.

Jack up a rear wheel, stick it in difflock, if it spins full circle its broken. If it locks that side is ok, check the other.

14th Mar 2018 9:12am

john chilton

Member Since: 14 Mar 2018
Location: zambia
Posts: 3

Thx guys, I will definitely check those options.

14th Mar 2018 10:30am

john chilton

Member Since: 14 Mar 2018
Location: zambia
Posts: 3

getting more confused;
originally heard some clunking in low speed under load,
then had only drivers side front spinning in the mud, no 4wd.
jacked up 2 back wheels and found power to rear only.
jacked up all 4 and have power from transfer box to all 4.
No damage to shafts.
some slop in front between drive flange and wheels
a little residue on sump magnet-- transfer box
removed inspection plate for t box and gears good lock diff shift good
box, HRC 2815 1
anyone had similar scenario?
Is there a big change under load, and I'm seeing different results because its jacked up?
Thx for any help!

15th Mar 2018 8:08am

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 16901

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

Is your diff lock engaging properly?

All of the behaviours above may happen if the centre diff is unlocked.

15th Mar 2018 11:02am

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 7703

2011 Defender 110 Puma 2.4 USW Stornoway Grey

you may see different response with it jacked up.

As blackwolf said with what you have described above that is all normal with the centre diff unlocked.

if you tried the same (dont!) with the middle diff locked when you jacked up the rear only it would drive off the axle stands as front axle would (or should!) be receiving drive.

sonds to me like your centre diff lock is not engaging.

Do the test as suggested above, lock the centre diff, jack up one wheel at a time, it shouldnt turn far before locking up.

not teaching to suck eggs but you are aware with out the middle diff locked only one wheel is guaranteed to turn?

with diff lock in one wheel on each axle is guaranteed to turn.

This is excluding any action from ETC. Cheers

James
110 XS Utility
130 Puma Station wagon/camper (in the making)
90 Puma Hardtop

15th Mar 2018 10:00pm

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