 | Home > Technical > Do people break drive shafts? |
 
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| Kit Member Since: 12 Feb 2016 Location: Shropshire Posts: 1110   
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It's a big question, depends on what tyres youre running and the rest of your set up?
In my experience its always the driver who breaks something like the drive shaft (doing something silly), if you did break one then you could remove it and run the defender in difflock if you didn't have LSD installed? Last edited by Kit on 19th Mar 2017 1:36pm. Edited 1 time in total |
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19th Mar 2017 1:35pm |
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| defender9 Member Since: 12 Mar 2016 Location: Fylde Coast Posts: 1629 
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I think if I was planning trips to the outback I would upgrade the halfshafts to the one piece versions just for peace of mind.
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19th Mar 2017 1:36pm |
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| big110 Member Since: 02 Nov 2016 Location: Sweeden Posts: 342 
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well, got HD Ashcroft halfshafts, CVs and Flanges already installed. Looking at the next in line in terms of driveline it looks like the drive shafts are next. Do they make a HD version for replacement?
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19th Mar 2017 1:55pm |
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| big110 Member Since: 02 Nov 2016 Location: Sweeden Posts: 342
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Got ARB lockers front and rear.... |
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19th Mar 2017 2:00pm |
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| Kit Member Since: 12 Feb 2016 Location: Shropshire Posts: 1110
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What power are you running?
I would suggest its the gearbox that's your next weak link |
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19th Mar 2017 2:22pm |
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| big110 Member Since: 02 Nov 2016 Location: Sweeden Posts: 342
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stock PUMA 2.2 but with the 170 or 180 Allisport tune
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19th Mar 2017 2:32pm |
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| ickle Member Since: 22 Jul 2010 Location: South Vendee Posts: 1786  
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Adapter between transfer box and gearbox?
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19th Mar 2017 2:46pm |
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| big110 Member Since: 02 Nov 2016 Location: Sweeden Posts: 342
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[quote]Adapter between transfer box and gearbox?[quote]
are you asking if I have one, or telling me its a possible week link? |
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19th Mar 2017 3:01pm |
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| leeds Member Since: 28 Dec 2009 Location: West Yorkshire Posts: 8582
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Where are you planning to go and what sort of driving?
The Outback Challenge requires different equipment and driving style to just touring in the outback. IF you manage to break a half shaft in the middle of the Outback then it is a relatively easy fix, break a gearbox in the middle of the Outback then that is a completely different story. Brendan |
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19th Mar 2017 3:03pm |
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| big110 Member Since: 02 Nov 2016 Location: Sweeden Posts: 342
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light off the pavement touring- so big rock crawling as they say. Im merely looking to beef up potential points for failure. With halfshafts, CVS and Flanges already upgraded, just looking at the next point of failure. I always travel with my original halfshafts on trips.
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19th Mar 2017 3:09pm |
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| MGCarr Member Since: 18 Nov 2016 Location: Lancashire Posts: 59 
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I am not so sure about the latest Defenders but certainly up to the Series 3 it was very easy to break a half shaft, especially in 2 wheel drive, just accidentally let it roll back a touch and then snatch the clutch in a panic and 'bang' one halfshafts snapped. I never got it confirmed for definite but there were some very strong romours that it was a definite ploy on Land Rovers part to protect the rest of the transmission. Driveshaft easy to replace, gearbox main shaft, layshaft, clutch centre plate etc not so easy to replace.
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20th Mar 2017 1:08am |
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| agentmulder Member Since: 16 Apr 2016 Location: Outer Space Posts: 1324 
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Wish that was the case nowadays and the weakest link was the flange.
Make it a scheduled inspection/service unit to swap out every X miles. I know on some vehicles it has actually worked out like that. But then all these output shaft discussions for the puma, and photos of CVs in pieces.. Nice and easy to carry on board and they fit all four wheels! Solved the bowel problem, working on the consonants... |
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20th Mar 2017 1:52am |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720 
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Series 3's had 10 spline half shafts, which were weaker than the later 24 spline ones.
I think the drive members on later ones fail, but this is usually do to them wearing on the outboard end through fretting, which once the splines on the outboard get worn enough they're weakened to the point they let go. The very last ones had the rear shafts replaced with one piece shafts, which should eliminate that issue. But the output shaft between the gearbox and transfer boxes are flawed. |
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20th Mar 2017 5:11am |
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| davew Member Since: 02 Jan 2012 Location: North Yorkshire Posts: 888 
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Just to be certain, by drive shafts do you mean prop shafts ?
If so then they can fail but it's normally the UJs that cause issues and, as they're relatively easy to change, it's always worth carrying spare UJs - just make sure you get the right size for your shafts ! I have snapped a prop shaft in the past but it's very hard to do unless you have ridiculous rear flex (where the rear axle can drive under the vehicle) or existing damage such as a dent from a rock and a lot of torque. In normal, none competition, off roading you're extremely unlikely to break the propshaft itself. That said, prior to our solo trip I replaced both propshafts on ours with Bayley Morris versions as they are a lot stronger than the original and have MUCH better splines with linger spline travel. I also made sure that, every few thousand miles, I found a garage and got them to stick a grease gun on the propshafts for me. I didn't want the hassle or mess of carrying a grease gun with me. http://www.yorkshireoffroadclub.net/ |
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20th Mar 2017 9:52am |
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