 | Home > Puma (Tdci) > Diff wind-up |
 
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| Rickydodah Member Since: 14 Jul 2014 Location: East Sussex Posts: 1091  |
Is it possible that you may have unnoticedley knocked the high/low lever to the left engaging diff-lock?
 I started with nothing and still have most of it left! |
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14th Jan 2016 3:38pm |
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| durham Member Since: 02 Jun 2014 Location: Essex Posts: 40  
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Thanks for reply.
No, light came on as soon as I started the engine and I had to move forward straight away, no other light came on. As wife read out the reason and I got carried along in the wave of cars, I fumbled in the dark but all was as it should have been. When I got stopped at the aire, I checked and the smaller lever was as it should have been, I didn't have to shift it and to this day I haven't touched it again. |
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14th Jan 2016 3:57pm |
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| Wild Card 90 Member Since: 03 Dec 2014 Location: Gerlingen Posts: 1060 
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A couple of basics will help here......
The low range and middle differential lock are selected using one and the same lever next to the gear shift. The low range and diff lock are two seperate independant mechanisms, and can be selected independantly from one another. Moving the lever forwards selects the low range, and is quite heavy and mechanical to activate. The diff lock is selected by moving the lever to the left, and is (on Puma Defenders) a very unprecise and "soft" mechanism. It is very easy to accidentally push the lever to the left, with your left knee, thus engaging the diff lock. The warning light is telling you that the diff is locked. It does not warn you of wind up in the transmission, but if you drive on normal tarmac with the diff lock on, you will indeed "wind up" and stress the drivetrain. The diff lock should only be engaged on soft and slippy surfaces, when better traction is neccessary. Mud, gravel, snow and ice, for example. I have also used it when slipping boats in and out of the water on a tarmac slipway - but only in a straight line. Pushing the lever to the right should release the diff lock. The light will only go off once the diff has actually unlocked. So it may well stay on. Because of the wind up, it may take a little longer for the diff to unlock. Driving forwards or backwards, at best relatively straight, should release the wind up and allow the diff to unlock. Light off. Diff is free. Hope this helps........... 1998 Tdi 90 SW, 2008 Td4 90 SW, 2012 2.2 90 SW, 2" raised Trailmaster/Terrafirma Heavy Track Raids, 255 MTīs, Recaro CSīs, anorak, wellingtons |
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14th Jan 2016 3:59pm |
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| Mash Member Since: 09 Feb 2015 Location: Guernsey Posts: 1674  
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If severe windup occurs it will normally snap a drive shaft, you will then be unable to drive the vehicle unless in diff-lock,
If you suspect windup jack up one wheel, if it has windup the wheel will spin the minute traction is lost. 90 wolf - Jasmin http://www.defender2.net/forum/topic39408.html 90 V8 - Maggie http://www.defender2.net/forum/topic42564.html 110 TD5 - Buggsy http://www.defender2.net/forum/topic59029.html 52HG25 lightweight https://www.defender2.net/forum/topic72342.html D3 Hse - Fiona Capri 2l S - Anna Think I might have a problem............ |
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14th Jan 2016 4:22pm |
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| durham Member Since: 02 Jun 2014 Location: Essex Posts: 40
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Thanks Wild Card.
I'll just have to assume that I knocked it on somehow, but cant imagine how I would and it didn't move when I checked it after the light was on. I'm fairly tall and sort of place myself into position with my left leg going forward toward the clutch! I suppose I then wound it up in my wacky races moments and it needed my reversing display. Hope it didn't suffer, but has been OK since. Thanks again |
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14th Jan 2016 4:23pm |
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| Wild Card 90 Member Since: 03 Dec 2014 Location: Gerlingen Posts: 1060
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Happy to help.
It is incredibly easy to accidentally push the lever enough to select the lock. On my left hand drive (the selector lever is still on the right)) Defender, my girlfriend pushing a shopping bag down into the footwell was enough to cause the very same thing to happen, a year or so back. As i then reversed into a parking bay, i felt the steering load up and it felt like the brakes were binding. only then did I "see the light" and twig what had happened. Been there, done that... so to speak.....  1998 Tdi 90 SW,
2008 Td4 90 SW, 2012 2.2 90 SW, 2" raised Trailmaster/Terrafirma Heavy Track Raids, 255 MTīs, Recaro CSīs, anorak, wellingtons |
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14th Jan 2016 5:01pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 8182  
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did you get an invitation to do the LRE 3hrs session? Cheers
James 110 2010 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop |
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14th Jan 2016 6:21pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 8182
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did you get an invitation to do the LRE 3hrs session? Cheers
James 110 2010 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop |
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14th Jan 2016 6:25pm |
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| durham Member Since: 02 Jun 2014 Location: Essex Posts: 40
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No, no invite
But back in 1990 I did go on a Land Rover training course at work, qualified and drove one regularly, an E reg 110 SW, then a H reg. Also owned a Daihatsu F20, T reg and used that off road for a couple of years until it turned to brown powder. This is the first Defender actually owned and first time encountered what I described. |
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14th Jan 2016 6:48pm |
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| Happyoldgit Member Since: 14 Sep 2007 Location: Norfolk Posts: 3471 
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Best to engage low range every now and again as it keeps everything nicely lubricated and free
Steve.
Owned numerous Land Rover vehicles of all shapes and sizes over the decades. Current Defender: A non tarts hand-bagged Puma 110 XS USW. [Insert something impressive here such as extensive list of previous Land Rovers or examples of your prestigeous and expensive items, trinkets, houses, bikes, vehicles etc] http://forums.lr4x4.com I used to be Miserable ...but now I'm ecstatic. |
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14th Jan 2016 10:02pm |
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| sgilmour Member Since: 21 Jul 2015 Location: Essex Posts: 232 
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Out of curiosity, why can the diff not get wound up in high range with diff lock engaged? If the centre diff is locked why would high or low range make a difference to it getting wound up?
I've never engaged diff lock in high range so assuming it's possible (can't see why it wouldn't be) I would've also assumed it could get wound up the same way? SG |
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14th Jan 2016 10:10pm |
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| Mash Member Since: 09 Feb 2015 Location: Guernsey Posts: 1674
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High or low range will not make a difference to windup, if you are on hard standing then windup will occur. The reason it is fine on loose surfaces as the wheels have different traction levels the power will go the easiest route and spin that wheel. 90 wolf - Jasmin http://www.defender2.net/forum/topic39408.html
90 V8 - Maggie http://www.defender2.net/forum/topic42564.html 110 TD5 - Buggsy http://www.defender2.net/forum/topic59029.html 52HG25 lightweight https://www.defender2.net/forum/topic72342.html D3 Hse - Fiona Capri 2l S - Anna Think I might have a problem............ |
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14th Jan 2016 10:16pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 8182
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if your MY14 was new or approved you should of had an invitation to join an LRE centre for a courtesy session, i would be asking them where it is. All this stuff is covered at them. Cheers
James 110 2010 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop |
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14th Jan 2016 10:21pm |
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| mk1collector Member Since: 17 Sep 2009 Location: West Yorkshire Posts: 6772 
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Our invite took a few weeks to come through by post. It was a nice afternoon though. Ray
My build thread http://www.defender2.net/forum/topic17615.html |
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14th Jan 2016 10:57pm |
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