 | Home > Maintenance & Modifications > Oil leak and play on front diff |
 
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| LR90XS2011 Member Since: 05 Apr 2011 Location: bickenhill Posts: 3645   
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I believe the pinion bearings are set up with shims , hence play means the bearings are probably kaput so a rebuild or replacement is on the cards DEFENDER 90 TDCI XS,
I hope everyone is well and your land rovers make you happy |
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25th Sep 2018 8:07pm |
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| roel Member Since: 08 Aug 2009 Location: Lelystad Posts: 2039  
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You can check if the inputshaft nut is still tight. If so it probably would be better to take the diff oout and check the whole diff. Play etc.
If the nut is loose tighten it and if the play is gone you just need to change the oil seal. Roel 1984 90 2.5 na Diesel - RR V8 (1994-2001) 1997 Camel Trophy Discovery 300TDI (2001-2009) 2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts. 2003 90 Td5 (2009-now) |
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25th Sep 2018 8:08pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20454
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IIRC if the bearings are shot the diff has to come out for access to the bearing.
There shouldn't be excessive lateral movement, only way of telling is if the pinion bolt is loose, if it is the seal it may be damaged and leak if torqued up unless replaced. Hopefully a more knowledgable member will be along shortly. No Guts, No Glory. 🇬🇧🏴🏴🏴🇮🇪🇺🇸⛽️🛢️⚙️🧰💪 |
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25th Sep 2018 8:16pm |
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| gazman Member Since: 17 Aug 2015 Location: Liverpool Posts: 652 
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Yeah it's lateral movement. Had a horrible feeling it would be a replacement 2014 - current ..... 2003 defender td5 90 (my car)
2009 - current .... 2005 zx10r |
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25th Sep 2018 8:39pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20454
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I'd just get a new seal, replace it and tighten up or get it done.
Then see how it goes, if it still gets lose or leaks again, get it out. I've had mine repaired on the rear multiple times, not particularly loose but leaking. The seal keeps going, the pinion has been changed as well and still does it around every 20k so far. There never seems a plausible reason for it, unless it's due to prop angle on the rear on the Puma with there transfer box nose down to the front. At least try the cheaper option first, if I was you.  No Guts, No Glory.
🇬🇧🏴🏴🏴🇮🇪🇺🇸⛽️🛢️⚙️🧰💪 |
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25th Sep 2018 11:34pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17453 
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^^^ Next time mike up the part of the flange the seal runs on at several points across its diameter. I have found quite a few which have been sigificantly out of round which will cause premature seal failure.
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26th Sep 2018 6:00am |
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