 | Home > Puma (Tdci) > Another output shaft failure... |
 
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| Doc P Member Since: 03 Apr 2016 Location: Midlands Posts: 565   
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'problems with the output adaptor shat'
Funniest typo of the day goes to you my son!  |
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18th Mar 2017 8:14am |
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| Caterham Member Since: 06 Nov 2008 Location: Birmingham Posts: 6298  
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Surgery starts at 10am t find out what's failed. I'm thinking transfer box buts odds are it'll be the adapter shaft. Place your bets. 83k miles and already on number 3.
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19th Mar 2017 8:28am |
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| nosnibod Member Since: 15 Aug 2007 Location: West Midlands Posts: 368 
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Ashcroft version being installed now?
By a certain guru in the Tamworth area? Dave Green Goddess - 1998 Defender 110 300tdi |
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19th Mar 2017 8:39am |
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| Caterham Member Since: 06 Nov 2008 Location: Birmingham Posts: 6298
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No ashcroft for me but Re the guru....
Snap.  |
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19th Mar 2017 8:49am |
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| Caterham Member Since: 06 Nov 2008 Location: Birmingham Posts: 6298
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So adapter shaft is shot again.
Do we know if anyone with the last version of lube (the blue stuff) h experienced a failure? |
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19th Mar 2017 6:45pm |
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| nosnibod Member Since: 15 Aug 2007 Location: West Midlands Posts: 368
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Sorry about that Léo, I probably didn't explain myself very well. The main dealer was also confused about what they had done, and told me one thing and then another. And then they wanted my Defender back for another couple of days to replace the half shafts that they had already replaced a few months earlier without telling me. I have now given up on that main dealer - every time my Defender went to them for some work I had problems afterwards. First the towing electrics (they mixed up live and earth!) then they replaced the clutch and two weeks later it failed in Lyon, in the rush hour towing our caravan, and finally they managed to damage the windscreen wipers after a service. However - it does appear as though I've got a good output shaft - I have no backlash at all after 36,000 miles...  Dave
Green Goddess - 1998 Defender 110 300tdi |
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21st Mar 2017 8:06pm |
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| Caterham Member Since: 06 Nov 2008 Location: Birmingham Posts: 6298
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Back on the road.
Borrowed a transfer box off Porny (thanks very much). 
Just driven hop and first impressions |
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23rd Mar 2017 12:16am |
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| nosnibod Member Since: 15 Aug 2007 Location: West Midlands Posts: 368
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Transfer box as well as a new output shaft? Dave
Green Goddess - 1998 Defender 110 300tdi |
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23rd Mar 2017 8:06am |
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| Caterham Member Since: 06 Nov 2008 Location: Birmingham Posts: 6298
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yep.
a temp transfer box (courtesy of Porny / Ben10) which I think it's fair to say has had a hard life yet seems superior to mine. I need my current set up to last circa 10 weeks till my box is rebuilt and upgraded, then new transfer and gearbox swap. a big thanks to Ian. and here's to hoping the blue 'stuff' works.  |
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23rd Mar 2017 8:46am |
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| proloForêt Member Since: 16 Mar 2017 Location: Montereau Posts: 248  
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No no, it is my understanding of english that the problem came! No sorry due. I would like very much if somebody could be kind to simplify the meaning of "backlash". I have tried on french forums and can not arrive at a correct translation for this so I do not know what I am supposed to be curing with changes. Not the ashcroft spline issues as blackwolf explained, i understand this reliability issue but i do not undertstand all the commentry about backlash feel. I think it must be bad, so i am not too much afraid as i have no bad feelings from my car. |
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23rd Mar 2017 10:49am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17338 
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The term "backlash" in an engineering context means the amount of play or looseness between the fit of (usually rotating) parts, So for example, if the splines on the end of the halfshaft and the inside of the drave flange are worn, so that the flange is excessively loose on the shaft, you could say that the backlash was excessive.
In the context that the word has been used recently on the forum, "transmission backlash" or "drive train backlash", it is meaning that in some or all of the joints in the drive line from the engine to the wheels there is excessive play, giving rise to clunks and bangs when driving. This seems to be a particular problem with the Ford-engined Defenders, since the clutch, output adaptor shaft, main gearbox, transfer gearbox, and axles all develop a small amount of backlash but the cumulative effect of all of these can be significant. Hope this helps! |
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23rd Mar 2017 11:08am |
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| AlanH Member Since: 15 Mar 2010 Location: WA Posts: 242 
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Good response Blackwolf. I think along with many other Puma (Tdci) owners that they are the absolute worse of all the Defender models regarding slop in the drive train, failures of driven ends/shafts and that terrible bodge up the output shaft.
I've had ours for over 4 years after buying it off a bloke being relocated overseas and it's been a great vehicle reliability wise but then I've spent the money necessary to make sure the driveline was up to scratch as we go into remote areas quite often. Mate of mine realised his dream in 2007 and got one of the first Pumas in Oz, did many trips with just his wife along, they loved the vehicle then without warning the output shaft went stranding him but luckily not in a remote location. I think he's gone back to the darkside and who really can blame him? Mines up for sale not because of reliability problems but I'm not up to changing gears sometimes due to various medical probs.... 
AlanH. |
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26th Mar 2017 9:28am |
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| proloForêt Member Since: 16 Mar 2017 Location: Montereau Posts: 248
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Thank you very much for this mr blackwolf (again!). I would not have arrived at this translation! I think my has some knocks in some gear changes but I do not think it is too bad. I will pay more attention next drive. |
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26th Mar 2017 6:06pm |
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