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Navigator
Member Since: 17 Mar 2010
Location: Stay at Home. One of the lives you save could be your own.
Posts: 5113
  
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Has anyone ever had their caravan/trailer refuse to unhitch - and found a solution.
What is happening is that the black handle raises as normal but underneath, the part that slides forward and goes under the lip of the ball does not slide back. As far as I can see (lying in mud and peering upwards with a torch) this sliding bit should be free to move, and in use it is held forward by the spring that raising the black handle pulls back.
It shows no sign of moving even when hit with a drift and a big hammer, so something has gone wonky with it. All ideas welcome! A vaccine does not stop you catching a virus, or passing it on, or getting ill from it, really ill. It does reduce the likelyhood of you dying when really, really ill. Stay Alive - KEEP AWAY FROM PEOPLE.
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 27th Feb 2024 4:32 pm |
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JordsDisco
Member Since: 22 May 2020
Location: Newcastle
Posts: 1614
  
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Try winding the jockey wheel up and, when it starts to lift the car, just carry on winding until the hitch and towball part company. Seen it work before, no guarantees.
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| 27th Feb 2024 5:37 pm |
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Hardware
Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 13016
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I have no experience of towing, just trying to think how it could get stuck ... can you rock the Discovery (presumably) backwards/forwards ? or even up/down with the air suspension ?
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| 27th Feb 2024 5:40 pm |
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kevin-t
Member Since: 12 Nov 2007
Location: sheffield
Posts: 680
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Had exactly the same problem last summer 
arrived at caravan site Scarborough, could not get the van off the car 
Had two or three guys helping me.
In the end I ended up busting the jockey wheel handle trying to free the unit.
Eventually got a piece of wood with a bottle jack fixed under the hitch jacked up high and kept lowering and raising suspension on car. took ages to free it.
These two little  was the culprit.
Amazon :Friction Pad Kit Front and Rear Hitch Pads Compatible with Alko AKS 3004 3504 691418 Caravan Stabiliser Spares
Easy fit, cheap as chips, not in my case tho! had to buy a new jockey wheel.
Used van many times since no probs.... 
p.s also changed the side pads whilst at it. very easy also.
Kevin Rangerover sport 4.4 A/B
Discovery3 gone….250k miles. Original engine, and gearbox.
Discovery2
Discovery1
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| 27th Feb 2024 5:42 pm |
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kevin-t
Member Since: 12 Nov 2007
Location: sheffield
Posts: 680
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This might help show you how to fit.....
Rangerover sport 4.4 A/B
Discovery3 gone….250k miles. Original engine, and gearbox.
Discovery2
Discovery1
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| 27th Feb 2024 5:47 pm |
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Navigator
Member Since: 17 Mar 2010
Location: Stay at Home. One of the lives you save could be your own.
Posts: 5113
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Thanks for the suggestion folks. It has worked normally for nine years just jumping off when caravan raised on jockey wheel. Not today even with up and down and to and fro on motor mover. Found a chap who knew what to do. Push caravan back on mover, apply handbrake and mover it forward with the small handle pulled up.
The hydraulic damper was pushing the locking ring forward. Oddly, the hitch bits that contact the ball, and the damper, are not on Alko's parts diagram. A vaccine does not stop you catching a virus, or passing it on, or getting ill from it, really ill. It does reduce the likelyhood of you dying when really, really ill. Stay Alive - KEEP AWAY FROM PEOPLE.
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| 27th Feb 2024 6:12 pm |
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JackNorris
Member Since: 06 Jul 2012
Location: Beds/Bucks Border
Posts: 1879
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I have had the same as above. If you don't have the stabiliser fully up, even if it's a couple of mm down, you'll see the friction pads slide and trap the hitch on the tow vehicle.
You also see similar when the van is holding pressure, either if the handbrake on van has been applied and then vehicle moved forward etc.
I was at Brighton CC when I had the issue I think. MY2023 Discovery 5 R-Dynamic 3.0
MY2020 Discovery 5 Landmark 3.0 - SOLD
MY2005 Discovery 3 V8 4.4 HSE - SOLD
MY2019 Discovery 5 SE 3.0 - LR Replaced !
MY2005 Discovery 3 S 2.7 - SOLD
MY2016 Discovery 4 Graphite - SOLD
MY2015 Discovery 4 SE Tech - SOLD
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| 27th Feb 2024 9:46 pm |
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Navigator
Member Since: 17 Mar 2010
Location: Stay at Home. One of the lives you save could be your own.
Posts: 5113
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Although the stabiliser pads were not the cause in this case I have found out that they can break up and jam the hitch in a similar manner. A vaccine does not stop you catching a virus, or passing it on, or getting ill from it, really ill. It does reduce the likelyhood of you dying when really, really ill. Stay Alive - KEEP AWAY FROM PEOPLE.
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| 28th Feb 2024 10:53 am |
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